diff --git a/services/web/app/src/Features/Authentication/AuthenticationController.js b/services/web/app/src/Features/Authentication/AuthenticationController.js
index 7448c64549..333f797d22 100644
--- a/services/web/app/src/Features/Authentication/AuthenticationController.js
+++ b/services/web/app/src/Features/Authentication/AuthenticationController.js
@@ -624,7 +624,7 @@ function _loginAsyncHandlers(req, user, anonymousAnalyticsId, isNewUser) {
   Analytics.identifyUser(user._id, anonymousAnalyticsId, isNewUser)
 
   logger.debug(
-    { email: user.email, user_id: user._id.toString() },
+    { email: user.email, userId: user._id.toString() },
     'successful log in'
   )
 
diff --git a/services/web/app/src/Features/BetaProgram/BetaProgramController.js b/services/web/app/src/Features/BetaProgram/BetaProgramController.js
index 64d9dd7070..528d40062e 100644
--- a/services/web/app/src/Features/BetaProgram/BetaProgramController.js
+++ b/services/web/app/src/Features/BetaProgram/BetaProgramController.js
@@ -36,10 +36,7 @@ const BetaProgramController = {
 
   optInPage(req, res, next) {
     const userId = SessionManager.getLoggedInUserId(req.session)
-    logger.debug(
-      { user_id: userId },
-      'showing beta participation page for user'
-    )
+    logger.debug({ userId }, 'showing beta participation page for user')
     UserGetter.getUser(userId, function (err, user) {
       if (err) {
         OError.tag(err, 'error fetching user', {
diff --git a/services/web/app/src/Features/Chat/ChatApiHandler.js b/services/web/app/src/Features/Chat/ChatApiHandler.js
index 6e1ee966ee..fbd12f8488 100644
--- a/services/web/app/src/Features/Chat/ChatApiHandler.js
+++ b/services/web/app/src/Features/Chat/ChatApiHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
 */
@@ -17,13 +16,13 @@ const request = require('request')
 const settings = require('@overleaf/settings')
 const { promisify } = require('util')
 
-function getThreads(project_id, callback) {
+function getThreads(projectId, callback) {
   if (callback == null) {
     callback = function () {}
   }
   return ChatApiHandler._apiRequest(
     {
-      url: `${settings.apis.chat.internal_url}/project/${project_id}/threads`,
+      url: `${settings.apis.chat.internal_url}/project/${projectId}/threads`,
       method: 'GET',
       json: true,
     },
@@ -31,13 +30,13 @@ function getThreads(project_id, callback) {
   )
 }
 
-function destroyProject(project_id, callback) {
+function destroyProject(projectId, callback) {
   if (callback == null) {
     callback = function () {}
   }
   return ChatApiHandler._apiRequest(
     {
-      url: `${settings.apis.chat.internal_url}/project/${project_id}`,
+      url: `${settings.apis.chat.internal_url}/project/${projectId}`,
       method: 'DELETE',
     },
     callback
@@ -66,18 +65,18 @@ module.exports = ChatApiHandler = {
     })
   },
 
-  sendGlobalMessage(project_id, user_id, content, callback) {
+  sendGlobalMessage(projectId, userId, content, callback) {
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/messages`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/messages`,
         method: 'POST',
-        json: { user_id, content },
+        json: { user_id: userId, content },
       },
       callback
     )
   },
 
-  getGlobalMessages(project_id, limit, before, callback) {
+  getGlobalMessages(projectId, limit, before, callback) {
     const qs = {}
     if (limit != null) {
       qs.limit = limit
@@ -88,7 +87,7 @@ module.exports = ChatApiHandler = {
 
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/messages`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/messages`,
         method: 'GET',
         qs,
         json: true,
@@ -97,67 +96,67 @@ module.exports = ChatApiHandler = {
     )
   },
 
-  sendComment(project_id, thread_id, user_id, content, callback) {
+  sendComment(projectId, threadId, userId, content, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/thread/${thread_id}/messages`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/thread/${threadId}/messages`,
         method: 'POST',
-        json: { user_id, content },
+        json: { user_id: userId, content },
       },
       callback
     )
   },
 
-  resolveThread(project_id, thread_id, user_id, callback) {
+  resolveThread(projectId, threadId, userId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/thread/${thread_id}/resolve`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/thread/${threadId}/resolve`,
         method: 'POST',
-        json: { user_id },
+        json: { user_id: userId },
       },
       callback
     )
   },
 
-  reopenThread(project_id, thread_id, callback) {
+  reopenThread(projectId, threadId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/thread/${thread_id}/reopen`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/thread/${threadId}/reopen`,
         method: 'POST',
       },
       callback
     )
   },
 
-  deleteThread(project_id, thread_id, callback) {
+  deleteThread(projectId, threadId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/thread/${thread_id}`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/thread/${threadId}`,
         method: 'DELETE',
       },
       callback
     )
   },
 
-  editMessage(project_id, thread_id, message_id, userId, content, callback) {
+  editMessage(projectId, threadId, messageId, userId, content, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/thread/${thread_id}/messages/${message_id}/edit`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/thread/${threadId}/messages/${messageId}/edit`,
         method: 'POST',
         json: {
           content,
@@ -168,13 +167,13 @@ module.exports = ChatApiHandler = {
     )
   },
 
-  deleteMessage(project_id, thread_id, message_id, callback) {
+  deleteMessage(projectId, threadId, messageId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ChatApiHandler._apiRequest(
       {
-        url: `${settings.apis.chat.internal_url}/project/${project_id}/thread/${thread_id}/messages/${message_id}`,
+        url: `${settings.apis.chat.internal_url}/project/${projectId}/thread/${threadId}/messages/${messageId}`,
         method: 'DELETE',
       },
       callback
diff --git a/services/web/app/src/Features/Chat/ChatController.js b/services/web/app/src/Features/Chat/ChatController.js
index 7a5b4b21b9..6050d8e22c 100644
--- a/services/web/app/src/Features/Chat/ChatController.js
+++ b/services/web/app/src/Features/Chat/ChatController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -23,16 +22,16 @@ const async = require('async')
 
 module.exports = ChatController = {
   sendMessage(req, res, next) {
-    const { project_id } = req.params
-    const { content, client_id } = req.body
-    const user_id = SessionManager.getLoggedInUserId(req.session)
-    if (user_id == null) {
+    const { project_id: projectId } = req.params
+    const { content, client_id: clientId } = req.body
+    const userId = SessionManager.getLoggedInUserId(req.session)
+    if (userId == null) {
       const err = new Error('no logged-in user')
       return next(err)
     }
     return ChatApiHandler.sendGlobalMessage(
-      project_id,
-      user_id,
+      projectId,
+      userId,
       content,
       function (err, message) {
         if (err != null) {
@@ -45,9 +44,9 @@ module.exports = ChatController = {
               return next(err)
             }
             message.user = UserInfoController.formatPersonalInfo(user)
-            message.clientId = client_id
+            message.clientId = clientId
             EditorRealTimeController.emitToRoom(
-              project_id,
+              projectId,
               'new-chat-message',
               message
             )
@@ -59,10 +58,10 @@ module.exports = ChatController = {
   },
 
   getMessages(req, res, next) {
-    const { project_id } = req.params
+    const { project_id: projectId } = req.params
     const { query } = req
     return ChatApiHandler.getGlobalMessages(
-      project_id,
+      projectId,
       query.limit,
       query.before,
       function (err, messages) {
@@ -86,42 +85,42 @@ module.exports = ChatController = {
     // There will be a lot of repitition of user_ids, so first build a list
     // of unique ones to perform db look ups on, then use these to populate the
     // user fields
-    let message, thread, thread_id, user_id
+    let message, thread, threadId, userId
     if (callback == null) {
       callback = function () {}
     }
-    const user_ids = {}
-    for (thread_id in threads) {
-      thread = threads[thread_id]
+    const userIds = {}
+    for (threadId in threads) {
+      thread = threads[threadId]
       if (thread.resolved) {
-        user_ids[thread.resolved_by_user_id] = true
+        userIds[thread.resolved_by_user_id] = true
       }
       for (message of Array.from(thread.messages)) {
-        user_ids[message.user_id] = true
+        userIds[message.user_id] = true
       }
     }
 
     const jobs = []
     const users = {}
-    for (user_id in user_ids) {
-      const _ = user_ids[user_id]
-      ;(user_id =>
+    for (userId in userIds) {
+      const _ = userIds[userId]
+      ;(userId =>
         jobs.push(cb =>
-          UserInfoManager.getPersonalInfo(user_id, function (error, user) {
+          UserInfoManager.getPersonalInfo(userId, function (error, user) {
             if (error != null) return cb(error)
             user = UserInfoController.formatPersonalInfo(user)
-            users[user_id] = user
+            users[userId] = user
             cb()
           })
-        ))(user_id)
+        ))(userId)
     }
 
     return async.series(jobs, function (error) {
       if (error != null) {
         return callback(error)
       }
-      for (thread_id in threads) {
-        thread = threads[thread_id]
+      for (threadId in threads) {
+        thread = threads[threadId]
         if (thread.resolved) {
           thread.resolved_by_user = users[thread.resolved_by_user_id]
         }
diff --git a/services/web/app/src/Features/Collaborators/CollaboratorsEmailHandler.js b/services/web/app/src/Features/Collaborators/CollaboratorsEmailHandler.js
index cd744e368a..6831f46c58 100644
--- a/services/web/app/src/Features/Collaborators/CollaboratorsEmailHandler.js
+++ b/services/web/app/src/Features/Collaborators/CollaboratorsEmailHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
 */
@@ -19,8 +18,8 @@ module.exports = CollaboratorsEmailHandler = {
     )
   },
 
-  notifyUserOfProjectInvite(project_id, email, invite, sendingUser, callback) {
-    Project.findOne({ _id: project_id })
+  notifyUserOfProjectInvite(projectId, email, invite, sendingUser, callback) {
+    Project.findOne({ _id: projectId })
       .select('name owner_ref')
       .populate('owner_ref')
       .exec(function (err, project) {
diff --git a/services/web/app/src/Features/Compile/ClsiCookieManager.js b/services/web/app/src/Features/Compile/ClsiCookieManager.js
index f7909ad1e5..a5f0bc3fd8 100644
--- a/services/web/app/src/Features/Compile/ClsiCookieManager.js
+++ b/services/web/app/src/Features/Compile/ClsiCookieManager.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
 */
@@ -11,7 +10,7 @@
  * DS207: Consider shorter variations of null checks
  * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
  */
-let rclient_secondary
+let rclientSecondary
 const { URL, URLSearchParams } = require('url')
 const OError = require('@overleaf/o-error')
 const Settings = require('@overleaf/settings')
@@ -19,7 +18,7 @@ const request = require('request').defaults({ timeout: 30 * 1000 })
 const RedisWrapper = require('../../infrastructure/RedisWrapper')
 const rclient = RedisWrapper.client('clsi_cookie')
 if (Settings.redis.clsi_cookie_secondary != null) {
-  rclient_secondary = RedisWrapper.client('clsi_cookie_secondary')
+  rclientSecondary = RedisWrapper.client('clsi_cookie_secondary')
 }
 const Cookie = require('cookie')
 const logger = require('@overleaf/logger')
@@ -31,17 +30,17 @@ const clsiCookiesEnabled =
 
 module.exports = function (backendGroup) {
   return {
-    buildKey(project_id, user_id) {
+    buildKey(projectId, userId) {
       if (backendGroup != null) {
-        return `clsiserver:${backendGroup}:${project_id}:${user_id}`
+        return `clsiserver:${backendGroup}:${projectId}:${userId}`
       } else {
-        return `clsiserver:${project_id}:${user_id}`
+        return `clsiserver:${projectId}:${userId}`
       }
     },
 
     _getServerId(
-      project_id,
-      user_id,
+      projectId,
+      userId,
       compileGroup,
       compileBackendClass,
       callback
@@ -49,30 +48,27 @@ module.exports = function (backendGroup) {
       if (callback == null) {
         callback = function () {}
       }
-      return rclient.get(
-        this.buildKey(project_id, user_id),
-        (err, serverId) => {
-          if (err != null) {
-            return callback(err)
-          }
-          if (serverId == null || serverId === '') {
-            return this._populateServerIdViaRequest(
-              project_id,
-              user_id,
-              compileGroup,
-              compileBackendClass,
-              callback
-            )
-          } else {
-            return callback(null, serverId)
-          }
+      return rclient.get(this.buildKey(projectId, userId), (err, serverId) => {
+        if (err != null) {
+          return callback(err)
         }
-      )
+        if (serverId == null || serverId === '') {
+          return this._populateServerIdViaRequest(
+            projectId,
+            userId,
+            compileGroup,
+            compileBackendClass,
+            callback
+          )
+        } else {
+          return callback(null, serverId)
+        }
+      })
     },
 
     _populateServerIdViaRequest(
-      project_id,
-      user_id,
+      projectId,
+      userId,
       compileGroup,
       compileBackendClass,
       callback
@@ -80,9 +76,7 @@ module.exports = function (backendGroup) {
       if (callback == null) {
         callback = function () {}
       }
-      const u = new URL(
-        `${Settings.apis.clsi.url}/project/${project_id}/status`
-      )
+      const u = new URL(`${Settings.apis.clsi.url}/project/${projectId}/status`)
       u.search = new URLSearchParams({
         compileGroup,
         compileBackendClass,
@@ -90,13 +84,13 @@ module.exports = function (backendGroup) {
       request.post(u.href, (err, res, body) => {
         if (err != null) {
           OError.tag(err, 'error getting initial server id for project', {
-            project_id,
+            project_id: projectId,
           })
           return callback(err)
         }
         this.setServerId(
-          project_id,
-          user_id,
+          projectId,
+          userId,
           compileGroup,
           compileBackendClass,
           res,
@@ -104,7 +98,7 @@ module.exports = function (backendGroup) {
           function (err, serverId) {
             if (err != null) {
               logger.warn(
-                { err, project_id },
+                { err, projectId },
                 'error setting server id via populate request'
               )
             }
@@ -153,8 +147,8 @@ module.exports = function (backendGroup) {
     },
 
     setServerId(
-      project_id,
-      user_id,
+      projectId,
+      userId,
       compileGroup,
       compileBackendClass,
       response,
@@ -171,7 +165,7 @@ module.exports = function (backendGroup) {
       if (serverId == null) {
         // We don't get a cookie back if it hasn't changed
         return rclient.expire(
-          this.buildKey(project_id, user_id),
+          this.buildKey(projectId, userId),
           this._getTTLInSeconds(previous),
           err => callback(err, undefined)
         )
@@ -186,45 +180,45 @@ module.exports = function (backendGroup) {
           compileBackendClass
         )
       }
-      if (rclient_secondary != null) {
+      if (rclientSecondary != null) {
         this._setServerIdInRedis(
-          rclient_secondary,
-          project_id,
-          user_id,
+          rclientSecondary,
+          projectId,
+          userId,
           serverId,
           () => {}
         )
       }
-      this._setServerIdInRedis(rclient, project_id, user_id, serverId, err =>
+      this._setServerIdInRedis(rclient, projectId, userId, serverId, err =>
         callback(err, serverId)
       )
     },
 
-    _setServerIdInRedis(rclient, project_id, user_id, serverId, callback) {
+    _setServerIdInRedis(rclient, projectId, userId, serverId, callback) {
       if (callback == null) {
         callback = function () {}
       }
       rclient.setex(
-        this.buildKey(project_id, user_id),
+        this.buildKey(projectId, userId),
         this._getTTLInSeconds(serverId),
         serverId,
         callback
       )
     },
 
-    clearServerId(project_id, user_id, callback) {
+    clearServerId(projectId, userId, callback) {
       if (callback == null) {
         callback = function () {}
       }
       if (!clsiCookiesEnabled) {
         return callback()
       }
-      return rclient.del(this.buildKey(project_id, user_id), callback)
+      return rclient.del(this.buildKey(projectId, userId), callback)
     },
 
     getCookieJar(
-      project_id,
-      user_id,
+      projectId,
+      userId,
       compileGroup,
       compileBackendClass,
       callback
@@ -236,14 +230,14 @@ module.exports = function (backendGroup) {
         return callback(null, request.jar(), undefined)
       }
       return this._getServerId(
-        project_id,
-        user_id,
+        projectId,
+        userId,
         compileGroup,
         compileBackendClass,
         (err, serverId) => {
           if (err != null) {
             OError.tag(err, 'error getting server id', {
-              project_id,
+              project_id: projectId,
             })
             return callback(err)
           }
diff --git a/services/web/app/src/Features/Contacts/ContactController.js b/services/web/app/src/Features/Contacts/ContactController.js
index 0544f38e59..ee5b6eda2c 100644
--- a/services/web/app/src/Features/Contacts/ContactController.js
+++ b/services/web/app/src/Features/Contacts/ContactController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -21,16 +20,16 @@ const Modules = require('../../infrastructure/Modules')
 
 module.exports = ContactsController = {
   getContacts(req, res, next) {
-    const user_id = SessionManager.getLoggedInUserId(req.session)
+    const userId = SessionManager.getLoggedInUserId(req.session)
     return ContactManager.getContactIds(
-      user_id,
+      userId,
       { limit: 50 },
-      function (error, contact_ids) {
+      function (error, contactIds) {
         if (error != null) {
           return next(error)
         }
         return UserGetter.getUsers(
-          contact_ids,
+          contactIds,
           {
             email: 1,
             first_name: 1,
@@ -44,9 +43,9 @@ module.exports = ContactsController = {
 
             // UserGetter.getUsers may not preserve order so put them back in order
             const positions = {}
-            for (let i = 0; i < contact_ids.length; i++) {
-              const contact_id = contact_ids[i]
-              positions[contact_id] = i
+            for (let i = 0; i < contactIds.length; i++) {
+              const contactId = contactIds[i]
+              positions[contactId] = i
             }
             contacts.sort(
               (a, b) =>
@@ -61,14 +60,14 @@ module.exports = ContactsController = {
 
             return Modules.hooks.fire(
               'getContacts',
-              user_id,
+              userId,
               contacts,
-              function (error, additional_contacts) {
+              function (error, additionalContacts) {
                 if (error != null) {
                   return next(error)
                 }
                 contacts = contacts.concat(
-                  ...Array.from(additional_contacts || [])
+                  ...Array.from(additionalContacts || [])
                 )
                 return res.json({
                   contacts,
diff --git a/services/web/app/src/Features/Contacts/ContactManager.js b/services/web/app/src/Features/Contacts/ContactManager.js
index 31cddf494d..ae0f872fe4 100644
--- a/services/web/app/src/Features/Contacts/ContactManager.js
+++ b/services/web/app/src/Features/Contacts/ContactManager.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -18,14 +17,14 @@ const request = require('request')
 const settings = require('@overleaf/settings')
 
 module.exports = ContactManager = {
-  getContactIds(user_id, options, callback) {
+  getContactIds(userId, options, callback) {
     if (options == null) {
       options = { limits: 50 }
     }
     if (callback == null) {
       callback = function () {}
     }
-    const url = `${settings.apis.contacts.url}/user/${user_id}/contacts`
+    const url = `${settings.apis.contacts.url}/user/${userId}/contacts`
     return request.get(
       {
         url,
@@ -45,7 +44,7 @@ module.exports = ContactManager = {
         } else {
           error = new OError(
             `contacts api responded with non-success code: ${res.statusCode}`,
-            { user_id }
+            { user_id: userId }
           )
           return callback(error)
         }
@@ -53,16 +52,16 @@ module.exports = ContactManager = {
     )
   },
 
-  addContact(user_id, contact_id, callback) {
+  addContact(userId, contactId, callback) {
     if (callback == null) {
       callback = function () {}
     }
-    const url = `${settings.apis.contacts.url}/user/${user_id}/contacts`
+    const url = `${settings.apis.contacts.url}/user/${userId}/contacts`
     return request.post(
       {
         url,
         json: {
-          contact_id,
+          contact_id: contactId,
         },
         jar: false,
       },
@@ -79,8 +78,8 @@ module.exports = ContactManager = {
           error = new OError(
             `contacts api responded with non-success code: ${res.statusCode}`,
             {
-              user_id,
-              contact_id,
+              user_id: userId,
+              contact_id: contactId,
             }
           )
           return callback(error)
diff --git a/services/web/app/src/Features/Downloads/ProjectDownloadsController.js b/services/web/app/src/Features/Downloads/ProjectDownloadsController.js
index 387643bdc9..7e52c4638d 100644
--- a/services/web/app/src/Features/Downloads/ProjectDownloadsController.js
+++ b/services/web/app/src/Features/Downloads/ProjectDownloadsController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -21,23 +20,23 @@ const { prepareZipAttachment } = require('../../infrastructure/Response')
 
 module.exports = ProjectDownloadsController = {
   downloadProject(req, res, next) {
-    const project_id = req.params.Project_id
+    const projectId = req.params.Project_id
     Metrics.inc('zip-downloads')
     return DocumentUpdaterHandler.flushProjectToMongo(
-      project_id,
+      projectId,
       function (error) {
         if (error != null) {
           return next(error)
         }
         return ProjectGetter.getProject(
-          project_id,
+          projectId,
           { name: true },
           function (error, project) {
             if (error != null) {
               return next(error)
             }
             return ProjectZipStreamManager.createZipStreamForProject(
-              project_id,
+              projectId,
               function (error, stream) {
                 if (error != null) {
                   return next(error)
@@ -53,23 +52,23 @@ module.exports = ProjectDownloadsController = {
   },
 
   downloadMultipleProjects(req, res, next) {
-    const project_ids = req.query.project_ids.split(',')
+    const projectIds = req.query.project_ids.split(',')
     Metrics.inc('zip-downloads-multiple')
     return DocumentUpdaterHandler.flushMultipleProjectsToMongo(
-      project_ids,
+      projectIds,
       function (error) {
         if (error != null) {
           return next(error)
         }
         return ProjectZipStreamManager.createZipStreamForMultipleProjects(
-          project_ids,
+          projectIds,
           function (error, stream) {
             if (error != null) {
               return next(error)
             }
             prepareZipAttachment(
               res,
-              `Overleaf Projects (${project_ids.length} items).zip`
+              `Overleaf Projects (${projectIds.length} items).zip`
             )
             return stream.pipe(res)
           }
diff --git a/services/web/app/src/Features/Downloads/ProjectZipStreamManager.js b/services/web/app/src/Features/Downloads/ProjectZipStreamManager.js
index a5e57a4f9c..11f292b572 100644
--- a/services/web/app/src/Features/Downloads/ProjectZipStreamManager.js
+++ b/services/web/app/src/Features/Downloads/ProjectZipStreamManager.js
@@ -121,7 +121,7 @@ module.exports = ProjectZipStreamManager = {
           (error, stream) => {
             if (error) {
               logger.warn(
-                { err: error, projectId, file_id: file._id },
+                { err: error, projectId, fileId: file._id },
                 'something went wrong adding file to zip archive'
               )
               return cb(error)
diff --git a/services/web/app/src/Features/Editor/EditorRealTimeController.js b/services/web/app/src/Features/Editor/EditorRealTimeController.js
index 726fb582f3..086870e8f1 100644
--- a/services/web/app/src/Features/Editor/EditorRealTimeController.js
+++ b/services/web/app/src/Features/Editor/EditorRealTimeController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -24,20 +23,20 @@ const RND = crypto.randomBytes(4).toString('hex') // generate a random key for t
 let COUNT = 0
 
 module.exports = EditorRealTimeController = {
-  emitToRoom(room_id, message, ...payload) {
+  emitToRoom(roomId, message, ...payload) {
     // create a unique message id using a counter
-    const message_id = `web:${HOST}:${RND}-${COUNT++}`
+    const messageId = `web:${HOST}:${RND}-${COUNT++}`
     let channel
-    if (room_id === 'all' || !Settings.publishOnIndividualChannels) {
+    if (roomId === 'all' || !Settings.publishOnIndividualChannels) {
       channel = 'editor-events'
     } else {
-      channel = `editor-events:${room_id}`
+      channel = `editor-events:${roomId}`
     }
     const blob = JSON.stringify({
-      room_id,
+      room_id: roomId,
       message,
       payload,
-      _id: message_id,
+      _id: messageId,
     })
     Metrics.summary('redis.publish.editor-events', blob.length, {
       status: message,
diff --git a/services/web/app/src/Features/Email/EmailSender.js b/services/web/app/src/Features/Email/EmailSender.js
index 41cee94c25..008d277c97 100644
--- a/services/web/app/src/Features/Email/EmailSender.js
+++ b/services/web/app/src/Features/Email/EmailSender.js
@@ -78,7 +78,7 @@ async function sendEmail(options) {
     if (!canContinue) {
       logger.debug(
         {
-          sendingUser_id: options.sendingUser_id,
+          sendingUserId: options.sendingUser_id,
           to: options.to,
           subject: options.subject,
           canContinue,
diff --git a/services/web/app/src/Features/Exports/ExportsController.js b/services/web/app/src/Features/Exports/ExportsController.js
index 51899f620c..181de74882 100644
--- a/services/web/app/src/Features/Exports/ExportsController.js
+++ b/services/web/app/src/Features/Exports/ExportsController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
 */
 // TODO: This file was created by bulk-decaffeinate.
@@ -16,42 +15,43 @@ const logger = require('@overleaf/logger')
 
 module.exports = {
   exportProject(req, res, next) {
-    const { project_id, brand_variation_id } = req.params
-    const user_id = SessionManager.getLoggedInUserId(req.session)
-    const export_params = {
-      project_id,
-      brand_variation_id,
-      user_id,
+    const { project_id: projectId, brand_variation_id: brandVariationId } =
+      req.params
+    const userId = SessionManager.getLoggedInUserId(req.session)
+    const exportParams = {
+      project_id: projectId,
+      brand_variation_id: brandVariationId,
+      user_id: userId,
     }
 
     if (req.body) {
       if (req.body.firstName) {
-        export_params.first_name = req.body.firstName.trim()
+        exportParams.first_name = req.body.firstName.trim()
       }
       if (req.body.lastName) {
-        export_params.last_name = req.body.lastName.trim()
+        exportParams.last_name = req.body.lastName.trim()
       }
       // additional parameters for gallery exports
       if (req.body.title) {
-        export_params.title = req.body.title.trim()
+        exportParams.title = req.body.title.trim()
       }
       if (req.body.description) {
-        export_params.description = req.body.description.trim()
+        exportParams.description = req.body.description.trim()
       }
       if (req.body.author) {
-        export_params.author = req.body.author.trim()
+        exportParams.author = req.body.author.trim()
       }
       if (req.body.license) {
-        export_params.license = req.body.license.trim()
+        exportParams.license = req.body.license.trim()
       }
       if (req.body.showSource != null) {
-        export_params.show_source = req.body.showSource
+        exportParams.show_source = req.body.showSource
       }
     }
 
     return ExportsHandler.exportProject(
-      export_params,
-      function (err, export_data) {
+      exportParams,
+      function (err, exportData) {
         if (err != null) {
           if (err.forwardResponse != null) {
             logger.debug(
@@ -66,24 +66,24 @@ module.exports = {
         }
         logger.debug(
           {
-            user_id,
-            project_id,
-            brand_variation_id,
-            export_v1_id: export_data.v1_id,
+            userId,
+            projectId,
+            brandVariationId,
+            exportV1Id: exportData.v1_id,
           },
           'exported project'
         )
         return res.json({
-          export_v1_id: export_data.v1_id,
-          message: export_data.message,
+          export_v1_id: exportData.v1_id,
+          message: exportData.message,
         })
       }
     )
   },
 
   exportStatus(req, res) {
-    const { export_id } = req.params
-    return ExportsHandler.fetchExport(export_id, function (err, export_json) {
+    const { export_id: exportId } = req.params
+    return ExportsHandler.fetchExport(exportId, function (err, exportJson) {
       let json
       if (err != null) {
         json = {
@@ -93,34 +93,34 @@ module.exports = {
         res.json({ export_json: json })
         return err
       }
-      const parsed_export = JSON.parse(export_json)
+      const parsedExport = JSON.parse(exportJson)
       json = {
-        status_summary: parsed_export.status_summary,
-        status_detail: parsed_export.status_detail,
-        partner_submission_id: parsed_export.partner_submission_id,
-        v2_user_email: parsed_export.v2_user_email,
-        v2_user_first_name: parsed_export.v2_user_first_name,
-        v2_user_last_name: parsed_export.v2_user_last_name,
-        title: parsed_export.title,
-        token: parsed_export.token,
+        status_summary: parsedExport.status_summary,
+        status_detail: parsedExport.status_detail,
+        partner_submission_id: parsedExport.partner_submission_id,
+        v2_user_email: parsedExport.v2_user_email,
+        v2_user_first_name: parsedExport.v2_user_first_name,
+        v2_user_last_name: parsedExport.v2_user_last_name,
+        title: parsedExport.title,
+        token: parsedExport.token,
       }
       return res.json({ export_json: json })
     })
   },
 
   exportDownload(req, res, next) {
-    const { type, export_id } = req.params
+    const { type, export_id: exportId } = req.params
 
     SessionManager.getLoggedInUserId(req.session)
     return ExportsHandler.fetchDownload(
-      export_id,
+      exportId,
       type,
-      function (err, export_file_url) {
+      function (err, exportFileUrl) {
         if (err != null) {
           return next(err)
         }
 
-        return res.redirect(export_file_url)
+        return res.redirect(exportFileUrl)
       }
     )
   },
diff --git a/services/web/app/src/Features/Exports/ExportsHandler.js b/services/web/app/src/Features/Exports/ExportsHandler.js
index 4e7ac859a6..9854cd3711 100644
--- a/services/web/app/src/Features/Exports/ExportsHandler.js
+++ b/services/web/app/src/Features/Exports/ExportsHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -27,59 +26,59 @@ request = request.defaults()
 settings = require('@overleaf/settings')
 
 module.exports = ExportsHandler = {
-  exportProject(export_params, callback) {
+  exportProject(exportParams, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ExportsHandler._buildExport(
-      export_params,
-      function (err, export_data) {
+      exportParams,
+      function (err, exportData) {
         if (err != null) {
           return callback(err)
         }
-        return ExportsHandler._requestExport(export_data, function (err, body) {
+        return ExportsHandler._requestExport(exportData, function (err, body) {
           if (err != null) {
             return callback(err)
           }
-          export_data.v1_id = body.exportId
-          export_data.message = body.message
+          exportData.v1_id = body.exportId
+          exportData.message = body.message
           // TODO: possibly store the export data in Mongo
-          return callback(null, export_data)
+          return callback(null, exportData)
         })
       }
     )
   },
 
-  _buildExport(export_params, callback) {
+  _buildExport(exportParams, callback) {
     if (callback == null) {
       callback = function () {}
     }
     const {
-      project_id,
-      user_id,
-      brand_variation_id,
+      project_id: projectId,
+      user_id: userId,
+      brand_variation_id: brandVariationId,
       title,
       description,
       author,
       license,
-      show_source,
-    } = export_params
+      show_source: showSource,
+    } = exportParams
     const jobs = {
       project(cb) {
-        return ProjectGetter.getProject(project_id, cb)
+        return ProjectGetter.getProject(projectId, cb)
       },
       // TODO: when we update async, signature will change from (cb, results) to (results, cb)
       rootDoc: [
         'project',
         (results, cb) =>
           ProjectRootDocManager.ensureRootDocumentIsValid(
-            project_id,
+            projectId,
             function (error) {
               if (error != null) {
                 return callback(error)
               }
               return ProjectLocator.findRootDoc(
-                { project: results.project, project_id },
+                { project: results.project, project_id: projectId },
                 cb
               )
             }
@@ -87,19 +86,19 @@ module.exports = ExportsHandler = {
       ],
       user(cb) {
         return UserGetter.getUser(
-          user_id,
+          userId,
           { first_name: 1, last_name: 1, email: 1, overleaf: 1 },
           cb
         )
       },
       historyVersion(cb) {
         return ProjectHistoryHandler.ensureHistoryExistsForProject(
-          project_id,
+          projectId,
           function (error) {
             if (error != null) {
               return callback(error)
             }
-            return ExportsHandler._requestVersion(project_id, cb)
+            return ExportsHandler._requestVersion(projectId, cb)
           }
         )
       },
@@ -108,9 +107,9 @@ module.exports = ExportsHandler = {
     return async.auto(jobs, function (err, results) {
       if (err != null) {
         OError.tag(err, 'error building project export', {
-          project_id,
-          user_id,
-          brand_variation_id,
+          project_id: projectId,
+          user_id: userId,
+          brand_variation_id: brandVariationId,
         })
         return callback(err)
       }
@@ -118,19 +117,19 @@ module.exports = ExportsHandler = {
       const { project, rootDoc, user, historyVersion } = results
       if (!rootDoc || rootDoc[1] == null) {
         err = new OError('cannot export project without root doc', {
-          project_id,
+          project_id: projectId,
         })
         return callback(err)
       }
 
-      if (export_params.first_name && export_params.last_name) {
-        user.first_name = export_params.first_name
-        user.last_name = export_params.last_name
+      if (exportParams.first_name && exportParams.last_name) {
+        user.first_name = exportParams.first_name
+        user.last_name = exportParams.last_name
       }
 
-      const export_data = {
+      const exportData = {
         project: {
-          id: project_id,
+          id: projectId,
           rootDocPath: rootDoc[1] != null ? rootDoc[1].fileSystem : undefined,
           historyId: project.overleaf?.history?.id,
           historyVersion,
@@ -143,11 +142,11 @@ module.exports = ExportsHandler = {
             description,
             author,
             license,
-            showSource: show_source,
+            showSource,
           },
         },
         user: {
-          id: user_id,
+          id: userId,
           firstName: user.first_name,
           lastName: user.last_name,
           email: user.email,
@@ -155,17 +154,17 @@ module.exports = ExportsHandler = {
           v1UserId: user.overleaf != null ? user.overleaf.id : undefined,
         },
         destination: {
-          brandVariationId: brand_variation_id,
+          brandVariationId,
         },
         options: {
           callbackUrl: null,
         }, // for now, until we want v1 to call us back
       }
-      return callback(null, export_data)
+      return callback(null, exportData)
     })
   },
 
-  _requestExport(export_data, callback) {
+  _requestExport(exportData, callback) {
     if (callback == null) {
       callback = function () {}
     }
@@ -173,20 +172,20 @@ module.exports = ExportsHandler = {
       {
         url: `${settings.apis.v1.url}/api/v1/sharelatex/exports`,
         auth: { user: settings.apis.v1.user, pass: settings.apis.v1.pass },
-        json: export_data,
+        json: exportData,
         timeout: settings.apis.v1.timeout,
       },
       function (err, res, body) {
         if (err != null) {
           OError.tag(err, 'error making request to v1 export', {
-            export: export_data,
+            export: exportData,
           })
           return callback(err)
         } else if (res.statusCode >= 200 && res.statusCode < 300) {
           return callback(null, body)
         } else {
           logger.warn(
-            { export: export_data },
+            { export: exportData },
             `v1 export returned failure; forwarding: ${body}`
           )
           // pass the v1 error along for the publish modal to handle
@@ -197,19 +196,19 @@ module.exports = ExportsHandler = {
     )
   },
 
-  _requestVersion(project_id, callback) {
+  _requestVersion(projectId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return request.get(
       {
-        url: `${settings.apis.project_history.url}/project/${project_id}/version`,
+        url: `${settings.apis.project_history.url}/project/${projectId}/version`,
         json: true,
       },
       function (err, res, body) {
         if (err != null) {
           OError.tag(err, 'error making request to project history', {
-            project_id,
+            project_id: projectId,
           })
           return callback(err)
         } else if (res.statusCode >= 200 && res.statusCode < 300) {
@@ -217,7 +216,7 @@ module.exports = ExportsHandler = {
         } else {
           err = new OError(
             `project history version returned a failure status code: ${res.statusCode}`,
-            { project_id }
+            { project_id: projectId }
           )
           return callback(err)
         }
@@ -225,20 +224,20 @@ module.exports = ExportsHandler = {
     )
   },
 
-  fetchExport(export_id, callback) {
+  fetchExport(exportId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return request.get(
       {
-        url: `${settings.apis.v1.url}/api/v1/sharelatex/exports/${export_id}`,
+        url: `${settings.apis.v1.url}/api/v1/sharelatex/exports/${exportId}`,
         auth: { user: settings.apis.v1.user, pass: settings.apis.v1.pass },
         timeout: settings.apis.v1.timeout,
       },
       function (err, res, body) {
         if (err != null) {
           OError.tag(err, 'error making request to v1 export', {
-            export: export_id,
+            export: exportId,
           })
           return callback(err)
         } else if (res.statusCode >= 200 && res.statusCode < 300) {
@@ -246,7 +245,7 @@ module.exports = ExportsHandler = {
         } else {
           err = new OError(
             `v1 export returned a failure status code: ${res.statusCode}`,
-            { export: export_id }
+            { export: exportId }
           )
           return callback(err)
         }
@@ -254,20 +253,20 @@ module.exports = ExportsHandler = {
     )
   },
 
-  fetchDownload(export_id, type, callback) {
+  fetchDownload(exportId, type, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return request.get(
       {
-        url: `${settings.apis.v1.url}/api/v1/sharelatex/exports/${export_id}/${type}_url`,
+        url: `${settings.apis.v1.url}/api/v1/sharelatex/exports/${exportId}/${type}_url`,
         auth: { user: settings.apis.v1.user, pass: settings.apis.v1.pass },
         timeout: settings.apis.v1.timeout,
       },
       function (err, res, body) {
         if (err != null) {
           OError.tag(err, 'error making request to v1 export', {
-            export: export_id,
+            export: exportId,
           })
           return callback(err)
         } else if (res.statusCode >= 200 && res.statusCode < 300) {
@@ -275,7 +274,7 @@ module.exports = ExportsHandler = {
         } else {
           err = new OError(
             `v1 export returned a failure status code: ${res.statusCode}`,
-            { export: export_id }
+            { export: exportId }
           )
           return callback(err)
         }
diff --git a/services/web/app/src/Features/History/RestoreManager.js b/services/web/app/src/Features/History/RestoreManager.js
index d0c7b5a11f..27ac54f7b3 100644
--- a/services/web/app/src/Features/History/RestoreManager.js
+++ b/services/web/app/src/Features/History/RestoreManager.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -23,7 +22,7 @@ const Errors = require('../Errors/Errors')
 const moment = require('moment')
 
 module.exports = RestoreManager = {
-  restoreDocFromDeletedDoc(user_id, project_id, doc_id, name, callback) {
+  restoreDocFromDeletedDoc(userId, projectId, docId, name, callback) {
     // This is the legacy method for restoring a doc from the SL track-changes/deletedDocs system.
     // It looks up the deleted doc's contents, and then creates a new doc with the same content.
     // We don't actually remove the deleted doc entry, just create a new one from its lines.
@@ -31,8 +30,8 @@ module.exports = RestoreManager = {
       callback = function () {}
     }
     return ProjectEntityHandler.getDoc(
-      project_id,
-      doc_id,
+      projectId,
+      docId,
       { include_deleted: true },
       function (error, lines) {
         if (error != null) {
@@ -40,12 +39,12 @@ module.exports = RestoreManager = {
         }
         const addDocWithName = (name, callback) =>
           EditorController.addDoc(
-            project_id,
+            projectId,
             null,
             name,
             lines,
             'restore',
-            user_id,
+            userId,
             callback
           )
         return RestoreManager._addEntityWithUniqueName(
@@ -57,12 +56,12 @@ module.exports = RestoreManager = {
     )
   },
 
-  restoreFileFromV2(user_id, project_id, version, pathname, callback) {
+  restoreFileFromV2(userId, projectId, version, pathname, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return RestoreManager._writeFileVersionToDisk(
-      project_id,
+      projectId,
       version,
       pathname,
       function (error, fsPath) {
@@ -76,17 +75,17 @@ module.exports = RestoreManager = {
           dirname = ''
         }
         return RestoreManager._findOrCreateFolder(
-          project_id,
+          projectId,
           dirname,
-          function (error, parent_folder_id) {
+          function (error, parentFolderId) {
             if (error != null) {
               return callback(error)
             }
             const addEntityWithName = (name, callback) =>
               FileSystemImportManager.addEntity(
-                user_id,
-                project_id,
-                parent_folder_id,
+                userId,
+                projectId,
+                parentFolderId,
                 name,
                 fsPath,
                 false,
@@ -103,12 +102,12 @@ module.exports = RestoreManager = {
     )
   },
 
-  _findOrCreateFolder(project_id, dirname, callback) {
+  _findOrCreateFolder(projectId, dirname, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return EditorController.mkdirp(
-      project_id,
+      projectId,
       dirname,
       function (error, newFolders, lastFolder) {
         if (error != null) {
@@ -145,13 +144,13 @@ module.exports = RestoreManager = {
     })
   },
 
-  _writeFileVersionToDisk(project_id, version, pathname, callback) {
+  _writeFileVersionToDisk(projectId, version, pathname, callback) {
     if (callback == null) {
       callback = function () {}
     }
     const url = `${
       Settings.apis.project_history.url
-    }/project/${project_id}/version/${version}/${encodeURIComponent(pathname)}`
-    return FileWriter.writeUrlToDisk(project_id, url, callback)
+    }/project/${projectId}/version/${version}/${encodeURIComponent(pathname)}`
+    return FileWriter.writeUrlToDisk(projectId, url, callback)
   },
 }
diff --git a/services/web/app/src/Features/InactiveData/InactiveProjectController.js b/services/web/app/src/Features/InactiveData/InactiveProjectController.js
index d48e30992e..62bc12b773 100644
--- a/services/web/app/src/Features/InactiveData/InactiveProjectController.js
+++ b/services/web/app/src/Features/InactiveData/InactiveProjectController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
 */
 // TODO: This file was created by bulk-decaffeinate.
@@ -33,8 +32,8 @@ module.exports = {
   },
 
   deactivateProject(req, res) {
-    const { project_id } = req.params
-    return InactiveProjectManager.deactivateProject(project_id, function (err) {
+    const { project_id: projectId } = req.params
+    return InactiveProjectManager.deactivateProject(projectId, function (err) {
       if (err != null) {
         return res.sendStatus(500)
       } else {
diff --git a/services/web/app/src/Features/InactiveData/InactiveProjectManager.js b/services/web/app/src/Features/InactiveData/InactiveProjectManager.js
index 0ab734e140..e460f931dd 100644
--- a/services/web/app/src/Features/InactiveData/InactiveProjectManager.js
+++ b/services/web/app/src/Features/InactiveData/InactiveProjectManager.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
 */
 // TODO: This file was created by bulk-decaffeinate.
@@ -22,19 +21,19 @@ const { ObjectId } = require('mongodb')
 
 const MILISECONDS_IN_DAY = 86400000
 module.exports = InactiveProjectManager = {
-  reactivateProjectIfRequired(project_id, callback) {
+  reactivateProjectIfRequired(projectId, callback) {
     ProjectGetter.getProject(
-      project_id,
+      projectId,
       { active: true },
       function (err, project) {
         if (err != null) {
           OError.tag(err, 'error getting project', {
-            project_id,
+            project_id: projectId,
           })
           return callback(err)
         }
         logger.debug(
-          { project_id, active: project.active },
+          { projectId, active: project.active },
           'seeing if need to reactivate project'
         )
 
@@ -42,14 +41,14 @@ module.exports = InactiveProjectManager = {
           return callback()
         }
 
-        DocstoreManager.unarchiveProject(project_id, function (err) {
+        DocstoreManager.unarchiveProject(projectId, function (err) {
           if (err != null) {
             OError.tag(err, 'error reactivating project in docstore', {
-              project_id,
+              project_id: projectId,
             })
             return callback(err)
           }
-          ProjectUpdateHandler.markAsActive(project_id, callback)
+          ProjectUpdateHandler.markAsActive(projectId, callback)
         })
       }
     )
@@ -85,7 +84,7 @@ module.exports = InactiveProjectManager = {
               function (err) {
                 if (err) {
                   logger.err(
-                    { project_id: project._id, err },
+                    { projectId: project._id, err },
                     'unable to deactivate project'
                   )
                 }
@@ -106,15 +105,15 @@ module.exports = InactiveProjectManager = {
       })
   },
 
-  deactivateProject(project_id, callback) {
-    logger.debug({ project_id }, 'deactivating inactive project')
+  deactivateProject(projectId, callback) {
+    logger.debug({ projectId }, 'deactivating inactive project')
     const jobs = [
-      cb => DocstoreManager.archiveProject(project_id, cb),
-      cb => ProjectUpdateHandler.markAsInactive(project_id, cb),
+      cb => DocstoreManager.archiveProject(projectId, cb),
+      cb => ProjectUpdateHandler.markAsInactive(projectId, cb),
     ]
     async.series(jobs, function (err) {
       if (err != null) {
-        logger.warn({ err, project_id }, 'error deactivating project')
+        logger.warn({ err, projectId }, 'error deactivating project')
       }
       callback(err)
     })
diff --git a/services/web/app/src/Features/LinkedFiles/LinkedFilesController.js b/services/web/app/src/Features/LinkedFiles/LinkedFilesController.js
index bb3840d1dc..9f28dbf2bc 100644
--- a/services/web/app/src/Features/LinkedFiles/LinkedFilesController.js
+++ b/services/web/app/src/Features/LinkedFiles/LinkedFilesController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -65,9 +64,9 @@ module.exports = LinkedFilesController = {
   },
 
   createLinkedFile(req, res, next) {
-    const { project_id } = req.params
-    const { name, provider, data, parent_folder_id } = req.body
-    const user_id = SessionManager.getLoggedInUserId(req.session)
+    const { project_id: projectId } = req.params
+    const { name, provider, data, parent_folder_id: parentFolderId } = req.body
+    const userId = SessionManager.getLoggedInUserId(req.session)
 
     const Agent = LinkedFilesController._getAgent(provider)
     if (Agent == null) {
@@ -77,11 +76,11 @@ module.exports = LinkedFilesController = {
     data.provider = provider
 
     return Agent.createLinkedFile(
-      project_id,
+      projectId,
       data,
       name,
-      parent_folder_id,
-      user_id,
+      parentFolderId,
+      userId,
       function (err, newFileId) {
         if (err != null) {
           return LinkedFilesController.handleError(err, req, res, next)
@@ -92,12 +91,12 @@ module.exports = LinkedFilesController = {
   },
 
   refreshLinkedFile(req, res, next) {
-    const { project_id, file_id } = req.params
-    const user_id = SessionManager.getLoggedInUserId(req.session)
+    const { project_id: projectId, file_id: fileId } = req.params
+    const userId = SessionManager.getLoggedInUserId(req.session)
 
     return LinkedFilesHandler.getFileById(
-      project_id,
-      file_id,
+      projectId,
+      fileId,
       function (err, file, path, parentFolder) {
         if (err != null) {
           return next(err)
@@ -114,18 +113,18 @@ module.exports = LinkedFilesController = {
           return res.sendStatus(409)
         }
         const { provider } = linkedFileData
-        const parent_folder_id = parentFolder._id
+        const parentFolderId = parentFolder._id
         const Agent = LinkedFilesController._getAgent(provider)
         if (Agent == null) {
           return res.sendStatus(400)
         }
 
         return Agent.refreshLinkedFile(
-          project_id,
+          projectId,
           linkedFileData,
           name,
-          parent_folder_id,
-          user_id,
+          parentFolderId,
+          userId,
           function (err, newFileId) {
             if (err != null) {
               return LinkedFilesController.handleError(err, req, res, next)
diff --git a/services/web/app/src/Features/LinkedFiles/LinkedFilesHandler.js b/services/web/app/src/Features/LinkedFiles/LinkedFilesHandler.js
index f94f2ee442..c98b087db3 100644
--- a/services/web/app/src/Features/LinkedFiles/LinkedFilesHandler.js
+++ b/services/web/app/src/Features/LinkedFiles/LinkedFilesHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -25,14 +24,14 @@ const {
 } = require('./LinkedFilesErrors')
 
 module.exports = LinkedFilesHandler = {
-  getFileById(project_id, file_id, callback) {
+  getFileById(projectId, fileId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     ProjectLocator.findElement(
       {
-        project_id,
-        element_id: file_id,
+        project_id: projectId,
+        element_id: fileId,
         type: 'file',
       },
       function (err, file, path, parentFolder) {
@@ -83,69 +82,65 @@ module.exports = LinkedFilesHandler = {
   },
 
   importFromStream(
-    project_id,
+    projectId,
     readStream,
     linkedFileData,
     name,
-    parent_folder_id,
-    user_id,
+    parentFolderId,
+    userId,
     callback
   ) {
     if (callback == null) {
       callback = function () {}
     }
     callback = _.once(callback)
-    FileWriter.writeStreamToDisk(
-      project_id,
-      readStream,
-      function (err, fsPath) {
-        if (err != null) {
-          return callback(err)
-        }
-        EditorController.upsertFile(
-          project_id,
-          parent_folder_id,
-          name,
-          fsPath,
-          linkedFileData,
-          'upload',
-          user_id,
-          (err, file) => {
-            if (err != null) {
-              return callback(err)
-            }
-            callback(null, file)
-          }
-        )
-      }
-    )
-  },
-
-  importContent(
-    project_id,
-    content,
-    linkedFileData,
-    name,
-    parent_folder_id,
-    user_id,
-    callback
-  ) {
-    if (callback == null) {
-      callback = function () {}
-    }
-    callback = _.once(callback)
-    FileWriter.writeContentToDisk(project_id, content, function (err, fsPath) {
+    FileWriter.writeStreamToDisk(projectId, readStream, function (err, fsPath) {
       if (err != null) {
         return callback(err)
       }
       EditorController.upsertFile(
-        project_id,
-        parent_folder_id,
+        projectId,
+        parentFolderId,
         name,
         fsPath,
         linkedFileData,
         'upload',
-        user_id,
+        userId,
+        (err, file) => {
+          if (err != null) {
+            return callback(err)
+          }
+          callback(null, file)
+        }
+      )
+    })
+  },
+
+  importContent(
+    projectId,
+    content,
+    linkedFileData,
+    name,
+    parentFolderId,
+    userId,
+    callback
+  ) {
+    if (callback == null) {
+      callback = function () {}
+    }
+    callback = _.once(callback)
+    FileWriter.writeContentToDisk(projectId, content, function (err, fsPath) {
+      if (err != null) {
+        return callback(err)
+      }
+      EditorController.upsertFile(
+        projectId,
+        parentFolderId,
+        name,
+        fsPath,
+        linkedFileData,
+        'upload',
+        userId,
         (err, file) => {
           if (err != null) {
             return callback(err)
diff --git a/services/web/app/src/Features/LinkedFiles/ProjectFileAgent.js b/services/web/app/src/Features/LinkedFiles/ProjectFileAgent.js
index 3be77c9283..c25a3c667e 100644
--- a/services/web/app/src/Features/LinkedFiles/ProjectFileAgent.js
+++ b/services/web/app/src/Features/LinkedFiles/ProjectFileAgent.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -33,52 +32,52 @@ const {
 
 module.exports = ProjectFileAgent = {
   createLinkedFile(
-    project_id,
+    projectId,
     linkedFileData,
     name,
-    parent_folder_id,
-    user_id,
+    parentFolderId,
+    userId,
     callback
   ) {
     if (!this._canCreate(linkedFileData)) {
       return callback(new AccessDeniedError())
     }
     return this._go(
-      project_id,
+      projectId,
       linkedFileData,
       name,
-      parent_folder_id,
-      user_id,
+      parentFolderId,
+      userId,
       callback
     )
   },
 
   refreshLinkedFile(
-    project_id,
+    projectId,
     linkedFileData,
     name,
-    parent_folder_id,
-    user_id,
+    parentFolderId,
+    userId,
     callback
   ) {
     return this._go(
-      project_id,
+      projectId,
       linkedFileData,
       name,
-      parent_folder_id,
-      user_id,
+      parentFolderId,
+      userId,
       callback
     )
   },
 
-  _prepare(project_id, linkedFileData, user_id, callback) {
+  _prepare(projectId, linkedFileData, userId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return this._checkAuth(
-      project_id,
+      projectId,
       linkedFileData,
-      user_id,
+      userId,
       (err, allowed) => {
         if (err != null) {
           return callback(err)
@@ -94,12 +93,12 @@ module.exports = ProjectFileAgent = {
     )
   },
 
-  _go(project_id, linkedFileData, name, parent_folder_id, user_id, callback) {
+  _go(projectId, linkedFileData, name, parentFolderId, userId, callback) {
     linkedFileData = this._sanitizeData(linkedFileData)
     return this._prepare(
-      project_id,
+      projectId,
       linkedFileData,
-      user_id,
+      userId,
       (err, linkedFileData) => {
         if (err != null) {
           return callback(err)
@@ -109,26 +108,26 @@ module.exports = ProjectFileAgent = {
         }
         return this._getEntity(
           linkedFileData,
-          user_id,
-          (err, source_project, entity, type) => {
+          userId,
+          (err, sourceProject, entity, type) => {
             if (err != null) {
               return callback(err)
             }
             if (type === 'doc') {
               return DocstoreManager.getDoc(
-                source_project._id,
+                sourceProject._id,
                 entity._id,
                 function (err, lines) {
                   if (err != null) {
                     return callback(err)
                   }
                   return LinkedFilesHandler.importContent(
-                    project_id,
+                    projectId,
                     lines.join('\n'),
                     linkedFileData,
                     name,
-                    parent_folder_id,
-                    user_id,
+                    parentFolderId,
+                    userId,
                     function (err, file) {
                       if (err != null) {
                         return callback(err)
@@ -140,7 +139,7 @@ module.exports = ProjectFileAgent = {
               ) // Created
             } else if (type === 'file') {
               return FileStoreHandler.getFileStream(
-                source_project._id,
+                sourceProject._id,
                 entity._id,
                 null,
                 function (err, fileStream) {
@@ -148,12 +147,12 @@ module.exports = ProjectFileAgent = {
                     return callback(err)
                   }
                   return LinkedFilesHandler.importFromStream(
-                    project_id,
+                    projectId,
                     fileStream,
                     linkedFileData,
                     name,
-                    parent_folder_id,
-                    user_id,
+                    parentFolderId,
+                    userId,
                     function (err, file) {
                       if (err != null) {
                         return callback(err)
@@ -172,27 +171,27 @@ module.exports = ProjectFileAgent = {
     )
   },
 
-  _getEntity(linkedFileData, current_user_id, callback) {
+  _getEntity(linkedFileData, currentUserId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     callback = _.once(callback)
-    const { source_entity_path } = linkedFileData
+    const { source_entity_path: sourceEntityPath } = linkedFileData
     return this._getSourceProject(linkedFileData, function (err, project) {
       if (err != null) {
         return callback(err)
       }
-      const source_project_id = project._id
+      const sourceProjectId = project._id
       return DocumentUpdaterHandler.flushProjectToMongo(
-        source_project_id,
+        sourceProjectId,
         function (err) {
           if (err != null) {
             return callback(err)
           }
           return ProjectLocator.findElementByPath(
             {
-              project_id: source_project_id,
-              path: source_entity_path,
+              project_id: sourceProjectId,
+              path: sourceEntityPath,
               exactCaseMatch: true,
             },
             function (err, entity, type) {
@@ -234,7 +233,7 @@ module.exports = ProjectFileAgent = {
 
   _getSourceProject: LinkedFilesHandler.getSourceProject,
 
-  _checkAuth(project_id, data, current_user_id, callback) {
+  _checkAuth(projectId, data, currentUserId, callback) {
     if (callback == null) {
       callback = function () {}
     }
@@ -247,7 +246,7 @@ module.exports = ProjectFileAgent = {
         return callback(err)
       }
       return AuthorizationManager.canUserReadProject(
-        current_user_id,
+        currentUserId,
         project._id,
         null,
         function (err, canRead) {
diff --git a/services/web/app/src/Features/Metadata/MetaController.js b/services/web/app/src/Features/Metadata/MetaController.js
index 6697af93df..2fcc7583c7 100644
--- a/services/web/app/src/Features/Metadata/MetaController.js
+++ b/services/web/app/src/Features/Metadata/MetaController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -19,53 +18,49 @@ const logger = require('@overleaf/logger')
 
 module.exports = MetaController = {
   getMetadata(req, res, next) {
-    const { project_id } = req.params
-    logger.debug({ project_id }, 'getting all labels for project')
+    const { project_id: projectId } = req.params
+    logger.debug({ projectId }, 'getting all labels for project')
     return MetaHandler.getAllMetaForProject(
-      project_id,
+      projectId,
       function (err, projectMeta) {
         if (err != null) {
           OError.tag(
             err,
             '[MetaController] error getting all labels from project',
             {
-              project_id,
+              project_id: projectId,
             }
           )
           return next(err)
         }
-        return res.json({ projectId: project_id, projectMeta })
+        return res.json({ projectId, projectMeta })
       }
     )
   },
 
   broadcastMetadataForDoc(req, res, next) {
-    const { project_id } = req.params
-    const { doc_id } = req.params
+    const { project_id: projectId } = req.params
+    const { doc_id: docId } = req.params
     const { broadcast } = req.body
-    logger.debug({ project_id, doc_id, broadcast }, 'getting labels for doc')
-    return MetaHandler.getMetaForDoc(
-      project_id,
-      doc_id,
-      function (err, docMeta) {
-        if (err != null) {
-          OError.tag(err, '[MetaController] error getting labels from doc', {
-            project_id,
-            doc_id,
-          })
-          return next(err)
-        }
-        // default to broadcasting, unless explicitly disabled (for backwards compatibility)
-        if (broadcast !== false) {
-          EditorRealTimeController.emitToRoom(project_id, 'broadcastDocMeta', {
-            docId: doc_id,
-            meta: docMeta,
-          })
-          return res.sendStatus(200)
-        } else {
-          return res.json({ docId: doc_id, meta: docMeta })
-        }
+    logger.debug({ projectId, docId, broadcast }, 'getting labels for doc')
+    return MetaHandler.getMetaForDoc(projectId, docId, function (err, docMeta) {
+      if (err != null) {
+        OError.tag(err, '[MetaController] error getting labels from doc', {
+          project_id: projectId,
+          doc_id: docId,
+        })
+        return next(err)
       }
-    )
+      // default to broadcasting, unless explicitly disabled (for backwards compatibility)
+      if (broadcast !== false) {
+        EditorRealTimeController.emitToRoom(projectId, 'broadcastDocMeta', {
+          docId,
+          meta: docMeta,
+        })
+        return res.sendStatus(200)
+      } else {
+        return res.json({ docId, meta: docMeta })
+      }
+    })
   },
 }
diff --git a/services/web/app/src/Features/Metadata/MetaHandler.js b/services/web/app/src/Features/Metadata/MetaHandler.js
index a1849068f4..0b01e4ad9f 100644
--- a/services/web/app/src/Features/Metadata/MetaHandler.js
+++ b/services/web/app/src/Features/Metadata/MetaHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-cond-assign,
@@ -82,19 +81,19 @@ module.exports = MetaHandler = {
     let pkg
     const docMeta = { labels: [], packages: {} }
     const packages = []
-    const label_re = MetaHandler.labelRegex()
-    const package_re = MetaHandler.usepackageRegex()
-    const req_package_re = MetaHandler.ReqPackageRegex()
+    const labelRe = MetaHandler.labelRegex()
+    const packageRe = MetaHandler.usepackageRegex()
+    const reqPackageRe = MetaHandler.ReqPackageRegex()
     for (const line of Array.from(lines)) {
       let labelMatch
       let clean, messy, packageMatch
-      while ((labelMatch = label_re.exec(line))) {
+      while ((labelMatch = labelRe.exec(line))) {
         let label
         if ((label = labelMatch[1])) {
           docMeta.labels.push(label)
         }
       }
-      while ((packageMatch = package_re.exec(line))) {
+      while ((packageMatch = packageRe.exec(line))) {
         if ((messy = packageMatch[1])) {
           for (pkg of Array.from(messy.split(','))) {
             if ((clean = pkg.trim())) {
@@ -103,7 +102,7 @@ module.exports = MetaHandler = {
           }
         }
       }
-      while ((packageMatch = req_package_re.exec(line))) {
+      while ((packageMatch = reqPackageRe.exec(line))) {
         if ((messy = packageMatch[1])) {
           for (pkg of Array.from(messy.split(','))) {
             if ((clean = pkg.trim())) {
diff --git a/services/web/app/src/Features/Project/ProjectApiController.js b/services/web/app/src/Features/Project/ProjectApiController.js
index 8bab741df1..a0899f5e71 100644
--- a/services/web/app/src/Features/Project/ProjectApiController.js
+++ b/services/web/app/src/Features/Project/ProjectApiController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -16,9 +15,9 @@ const logger = require('@overleaf/logger')
 
 module.exports = {
   getProjectDetails(req, res, next) {
-    const { project_id } = req.params
+    const { project_id: projectId } = req.params
     return ProjectDetailsHandler.getDetails(
-      project_id,
+      projectId,
       function (err, projDetails) {
         if (err != null) {
           return next(err)
diff --git a/services/web/app/src/Features/Project/ProjectCollabratecDetailsHandler.js b/services/web/app/src/Features/Project/ProjectCollabratecDetailsHandler.js
index c03e060822..2b92d606ab 100644
--- a/services/web/app/src/Features/Project/ProjectCollabratecDetailsHandler.js
+++ b/services/web/app/src/Features/Project/ProjectCollabratecDetailsHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
 */
@@ -17,38 +16,44 @@ const { Project } = require('../../models/Project')
 
 module.exports = ProjectCollabratecDetailsHandler = {
   initializeCollabratecProject(
-    project_id,
-    user_id,
-    collabratec_document_id,
-    collabratec_privategroup_id,
+    projectId,
+    userId,
+    collabratecDocumentId,
+    collabratecPrivategroupId,
     callback
   ) {
     if (callback == null) {
       callback = function () {}
     }
     ProjectCollabratecDetailsHandler.setCollabratecUsers(
-      project_id,
-      [{ user_id, collabratec_document_id, collabratec_privategroup_id }],
+      projectId,
+      [
+        {
+          user_id: userId,
+          collabratec_document_id: collabratecDocumentId,
+          collabratec_privategroup_id: collabratecPrivategroupId,
+        },
+      ],
       callback
     )
   },
 
-  isLinkedCollabratecUserProject(project_id, user_id, callback) {
+  isLinkedCollabratecUserProject(projectId, userId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     try {
-      project_id = ObjectId(project_id)
-      user_id = ObjectId(user_id)
+      projectId = ObjectId(projectId)
+      userId = ObjectId(userId)
     } catch (error) {
       const err = error
       return callback(err)
     }
     const query = {
-      _id: project_id,
+      _id: projectId,
       collabratecUsers: {
         $elemMatch: {
-          user_id,
+          user_id: userId,
         },
       },
     }
@@ -61,28 +66,28 @@ module.exports = ProjectCollabratecDetailsHandler = {
   },
 
   linkCollabratecUserProject(
-    project_id,
-    user_id,
-    collabratec_document_id,
+    projectId,
+    userId,
+    collabratecDocumentId,
     callback
   ) {
     if (callback == null) {
       callback = function () {}
     }
     try {
-      project_id = ObjectId(project_id)
-      user_id = ObjectId(user_id)
+      projectId = ObjectId(projectId)
+      userId = ObjectId(userId)
     } catch (error) {
       const err = error
       return callback(err)
     }
     const query = {
-      _id: project_id,
+      _id: projectId,
       collabratecUsers: {
         $not: {
           $elemMatch: {
-            collabratec_document_id,
-            user_id,
+            collabratec_document_id: collabratecDocumentId,
+            user_id: userId,
           },
         },
       },
@@ -90,75 +95,75 @@ module.exports = ProjectCollabratecDetailsHandler = {
     const update = {
       $push: {
         collabratecUsers: {
-          collabratec_document_id,
-          user_id,
+          collabratec_document_id: collabratecDocumentId,
+          user_id: userId,
         },
       },
     }
     Project.updateOne(query, update, callback)
   },
 
-  setCollabratecUsers(project_id, collabratec_users, callback) {
+  setCollabratecUsers(projectId, collabratecUsers, callback) {
     let err
     if (callback == null) {
       callback = function () {}
     }
     try {
-      project_id = ObjectId(project_id)
+      projectId = ObjectId(projectId)
     } catch (error) {
       err = error
       return callback(err)
     }
-    if (!Array.isArray(collabratec_users)) {
+    if (!Array.isArray(collabratecUsers)) {
       callback(new Error('collabratec_users must be array'))
     }
-    for (const collabratec_user of Array.from(collabratec_users)) {
+    for (const collabratecUser of Array.from(collabratecUsers)) {
       try {
-        collabratec_user.user_id = ObjectId(collabratec_user.user_id)
+        collabratecUser.user_id = ObjectId(collabratecUser.user_id)
       } catch (error1) {
         err = error1
         return callback(err)
       }
     }
-    const update = { $set: { collabratecUsers: collabratec_users } }
-    Project.updateOne({ _id: project_id }, update, callback)
+    const update = { $set: { collabratecUsers } }
+    Project.updateOne({ _id: projectId }, update, callback)
   },
 
-  unlinkCollabratecUserProject(project_id, user_id, callback) {
+  unlinkCollabratecUserProject(projectId, userId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     try {
-      project_id = ObjectId(project_id)
-      user_id = ObjectId(user_id)
+      projectId = ObjectId(projectId)
+      userId = ObjectId(userId)
     } catch (error) {
       const err = error
       return callback(err)
     }
-    const query = { _id: project_id }
+    const query = { _id: projectId }
     const update = {
       $pull: {
         collabratecUsers: {
-          user_id,
+          user_id: userId,
         },
       },
     }
     Project.updateOne(query, update, callback)
   },
 
-  updateCollabratecUserIds(old_user_id, new_user_id, callback) {
+  updateCollabratecUserIds(oldUserId, newUserId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     try {
-      old_user_id = ObjectId(old_user_id)
-      new_user_id = ObjectId(new_user_id)
+      oldUserId = ObjectId(oldUserId)
+      newUserId = ObjectId(newUserId)
     } catch (error) {
       const err = error
       return callback(err)
     }
-    const query = { 'collabratecUsers.user_id': old_user_id }
-    const update = { $set: { 'collabratecUsers.$.user_id': new_user_id } }
+    const query = { 'collabratecUsers.user_id': oldUserId }
+    const update = { $set: { 'collabratecUsers.$.user_id': newUserId } }
     Project.updateMany(query, update, callback)
   },
 }
diff --git a/services/web/app/src/Features/Project/ProjectDeleter.js b/services/web/app/src/Features/Project/ProjectDeleter.js
index a71fe69e28..3716a11980 100644
--- a/services/web/app/src/Features/Project/ProjectDeleter.js
+++ b/services/web/app/src/Features/Project/ProjectDeleter.js
@@ -57,7 +57,7 @@ module.exports = {
 
 async function markAsDeletedByExternalSource(projectId) {
   logger.debug(
-    { project_id: projectId },
+    { projectId },
     'marking project as deleted by external data source'
   )
   await Project.updateOne(
@@ -274,7 +274,7 @@ async function deleteProject(projectId, options = {}) {
     throw err
   }
 
-  logger.debug({ project_id: projectId }, 'successfully deleted project')
+  logger.debug({ projectId }, 'successfully deleted project')
 }
 
 async function undeleteProject(projectId, options = {}) {
diff --git a/services/web/app/src/Features/Project/ProjectRootDocManager.js b/services/web/app/src/Features/Project/ProjectRootDocManager.js
index 0f712787fb..c7aceb6f4d 100644
--- a/services/web/app/src/Features/Project/ProjectRootDocManager.js
+++ b/services/web/app/src/Features/Project/ProjectRootDocManager.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-unused-vars,
@@ -27,11 +26,11 @@ const _ = require('underscore')
 const { promisifyAll } = require('../../util/promises')
 
 module.exports = ProjectRootDocManager = {
-  setRootDocAutomatically(project_id, callback) {
+  setRootDocAutomatically(projectId, callback) {
     if (callback == null) {
       callback = function () {}
     }
-    return ProjectEntityHandler.getAllDocs(project_id, function (error, docs) {
+    return ProjectEntityHandler.getAllDocs(projectId, function (error, docs) {
       if (error != null) {
         return callback(error)
       }
@@ -55,11 +54,11 @@ module.exports = ProjectRootDocManager = {
           }
       )
 
-      return async.series(jobs, function (root_doc_id) {
-        if (root_doc_id != null) {
+      return async.series(jobs, function (rootDocId) {
+        if (rootDocId != null) {
           return ProjectEntityUpdateHandler.setRootDoc(
-            project_id,
-            root_doc_id,
+            projectId,
+            rootDocId,
             callback
           )
         } else {
@@ -130,14 +129,14 @@ module.exports = ProjectRootDocManager = {
     return null
   },
 
-  setRootDocFromName(project_id, rootDocName, callback) {
+  setRootDocFromName(projectId, rootDocName, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ProjectEntityHandler.getAllDocPathsFromProjectById(
-      project_id,
+      projectId,
       function (error, docPaths) {
-        let doc_id, path
+        let docId, path
         if (error != null) {
           return callback(error)
         }
@@ -148,28 +147,28 @@ module.exports = ProjectRootDocManager = {
           rootDocName = `/${rootDocName}`
         }
         // find the root doc from the filename
-        let root_doc_id = null
-        for (doc_id in docPaths) {
+        let rootDocId = null
+        for (docId in docPaths) {
           // docpaths have a leading / so allow matching "folder/filename" and "/folder/filename"
-          path = docPaths[doc_id]
+          path = docPaths[docId]
           if (path === rootDocName) {
-            root_doc_id = doc_id
+            rootDocId = docId
           }
         }
         // try a basename match if there was no match
-        if (!root_doc_id) {
-          for (doc_id in docPaths) {
-            path = docPaths[doc_id]
+        if (!rootDocId) {
+          for (docId in docPaths) {
+            path = docPaths[docId]
             if (Path.basename(path) === Path.basename(rootDocName)) {
-              root_doc_id = doc_id
+              rootDocId = docId
             }
           }
         }
         // set the root doc id if we found a match
-        if (root_doc_id != null) {
+        if (rootDocId != null) {
           return ProjectEntityUpdateHandler.setRootDoc(
-            project_id,
-            root_doc_id,
+            projectId,
+            rootDocId,
             callback
           )
         } else {
@@ -179,12 +178,12 @@ module.exports = ProjectRootDocManager = {
     )
   },
 
-  ensureRootDocumentIsSet(project_id, callback) {
+  ensureRootDocumentIsSet(projectId, callback) {
     if (callback == null) {
       callback = function () {}
     }
     return ProjectGetter.getProject(
-      project_id,
+      projectId,
       { rootDoc_id: 1 },
       function (error, project) {
         if (error != null) {
@@ -198,7 +197,7 @@ module.exports = ProjectRootDocManager = {
           return callback()
         } else {
           return ProjectRootDocManager.setRootDocAutomatically(
-            project_id,
+            projectId,
             callback
           )
         }
@@ -210,9 +209,9 @@ module.exports = ProjectRootDocManager = {
    * @param {ObjectId | string} project_id
    * @param {Function} callback
    */
-  ensureRootDocumentIsValid(project_id, callback) {
+  ensureRootDocumentIsValid(projectId, callback) {
     ProjectGetter.getProjectWithoutDocLines(
-      project_id,
+      projectId,
       function (error, project) {
         if (error != null) {
           return callback(error)
@@ -227,9 +226,9 @@ module.exports = ProjectRootDocManager = {
             project.rootDoc_id,
             (err, docPath) => {
               if (docPath) return callback()
-              ProjectEntityUpdateHandler.unsetRootDoc(project_id, () =>
+              ProjectEntityUpdateHandler.unsetRootDoc(projectId, () =>
                 ProjectRootDocManager.setRootDocAutomatically(
-                  project_id,
+                  projectId,
                   callback
                 )
               )
@@ -237,7 +236,7 @@ module.exports = ProjectRootDocManager = {
           )
         } else {
           return ProjectRootDocManager.setRootDocAutomatically(
-            project_id,
+            projectId,
             callback
           )
         }
diff --git a/services/web/app/src/Features/Project/ProjectUpdateHandler.js b/services/web/app/src/Features/Project/ProjectUpdateHandler.js
index 97c0ac2bd9..98495a575f 100644
--- a/services/web/app/src/Features/Project/ProjectUpdateHandler.js
+++ b/services/web/app/src/Features/Project/ProjectUpdateHandler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     no-unused-vars,
 */
@@ -55,8 +54,8 @@ const ProjectUpdateHandler = {
     Project.updateOne(conditions, update, {}, callback)
   },
 
-  markAsOpened(project_id, callback) {
-    const conditions = { _id: project_id }
+  markAsOpened(projectId, callback) {
+    const conditions = { _id: projectId }
     const update = { lastOpened: Date.now() }
     Project.updateOne(conditions, update, {}, function (err) {
       if (callback != null) {
@@ -65,8 +64,8 @@ const ProjectUpdateHandler = {
     })
   },
 
-  markAsInactive(project_id, callback) {
-    const conditions = { _id: project_id }
+  markAsInactive(projectId, callback) {
+    const conditions = { _id: projectId }
     const update = { active: false }
     Project.updateOne(conditions, update, {}, function (err) {
       if (callback != null) {
@@ -75,8 +74,8 @@ const ProjectUpdateHandler = {
     })
   },
 
-  markAsActive(project_id, callback) {
-    const conditions = { _id: project_id }
+  markAsActive(projectId, callback) {
+    const conditions = { _id: projectId }
     const update = { active: true }
     Project.updateOne(conditions, update, {}, function (err) {
       if (callback != null) {
diff --git a/services/web/app/src/Features/ServerAdmin/AdminController.js b/services/web/app/src/Features/ServerAdmin/AdminController.js
index 5148a25f88..c077e6fc31 100644
--- a/services/web/app/src/Features/ServerAdmin/AdminController.js
+++ b/services/web/app/src/Features/ServerAdmin/AdminController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len
 */
@@ -144,8 +143,8 @@ const AdminController = {
   },
 
   pollDropboxForUser(req, res) {
-    const { user_id } = req.body
-    return TpdsUpdateSender.pollDropboxForUser(user_id, () =>
+    const { user_id: userId } = req.body
+    return TpdsUpdateSender.pollDropboxForUser(userId, () =>
       res.sendStatus(200)
     )
   },
diff --git a/services/web/app/src/Features/Subscription/RecurlyWrapper.js b/services/web/app/src/Features/Subscription/RecurlyWrapper.js
index 6a6086866c..9f8bfb1a1e 100644
--- a/services/web/app/src/Features/Subscription/RecurlyWrapper.js
+++ b/services/web/app/src/Features/Subscription/RecurlyWrapper.js
@@ -43,7 +43,7 @@ const RecurlyWrapper = {
     checkAccountExists(cache, next) {
       const { user } = cache
       logger.debug(
-        { user_id: user._id },
+        { userId: user._id },
         'checking if recurly account exists for user'
       )
       RecurlyWrapper.apiRequest(
@@ -66,16 +66,13 @@ const RecurlyWrapper = {
           if (response.statusCode === 404) {
             // actually not an error in this case, just no existing account
             logger.debug(
-              { user_id: user._id },
+              { userId: user._id },
               'user does not currently exist in recurly, proceed'
             )
             cache.userExists = false
             return next(null, cache)
           }
-          logger.debug(
-            { user_id: user._id },
-            'user appears to exist in recurly'
-          )
+          logger.debug({ userId: user._id }, 'user appears to exist in recurly')
           RecurlyWrapper._parseAccountXml(
             responseBody,
             function (err, account) {
@@ -158,7 +155,7 @@ const RecurlyWrapper = {
     createBillingInfo(cache, next) {
       const { user } = cache
       const { recurlyTokenIds } = cache
-      logger.debug({ user_id: user._id }, 'creating billing info in recurly')
+      logger.debug({ userId: user._id }, 'creating billing info in recurly')
       const accountCode = cache?.account?.account_code
       if (!accountCode) {
         return next(new Error('no account code at createBillingInfo stage'))
@@ -211,7 +208,7 @@ const RecurlyWrapper = {
       const { user } = cache
       const { subscriptionDetails } = cache
       logger.debug(
-        { user_id: user._id },
+        { userId: user._id },
         'setting billing address and company info in recurly'
       )
       const accountCode = cache?.account?.account_code
@@ -279,7 +276,7 @@ const RecurlyWrapper = {
     createSubscription(cache, next) {
       const { user } = cache
       const { subscriptionDetails } = cache
-      logger.debug({ user_id: user._id }, 'creating subscription in recurly')
+      logger.debug({ userId: user._id }, 'creating subscription in recurly')
       const data = {
         plan_code: subscriptionDetails.plan_code,
         currency: subscriptionDetails.currencyCode,
@@ -344,7 +341,7 @@ const RecurlyWrapper = {
     callback
   ) {
     logger.debug(
-      { user_id: user._id },
+      { userId: user._id },
       'starting process of creating paypal subscription'
     )
     // We use `async.waterfall` to run each of these actions in sequence
@@ -374,7 +371,7 @@ const RecurlyWrapper = {
           return callback(err)
         }
         logger.debug(
-          { user_id: user._id },
+          { userId: user._id },
           'done creating paypal subscription for user'
         )
         callback(null, result.subscription)
@@ -444,7 +441,7 @@ const RecurlyWrapper = {
   createSubscription(user, subscriptionDetails, recurlyTokenIds, callback) {
     const { isPaypal } = subscriptionDetails
     logger.debug(
-      { user_id: user._id, isPaypal },
+      { userId: user._id, isPaypal },
       'setting up subscription in recurly'
     )
     const fn = isPaypal
diff --git a/services/web/app/src/Features/Subscription/SubscriptionController.js b/services/web/app/src/Features/Subscription/SubscriptionController.js
index 384c34c354..1153dacf66 100644
--- a/services/web/app/src/Features/Subscription/SubscriptionController.js
+++ b/services/web/app/src/Features/Subscription/SubscriptionController.js
@@ -451,7 +451,7 @@ async function createSubscription(req, res) {
     await LimitationsManager.promises.userHasV1OrV2Subscription(user)
 
   if (hasSubscription) {
-    logger.warn({ user_id: user._id }, 'user already has subscription')
+    logger.warn({ userId: user._id }, 'user already has subscription')
     return res.sendStatus(409) // conflict
   }
 
@@ -477,7 +477,7 @@ async function createSubscription(req, res) {
       )
     } else {
       logger.warn(
-        { err, user_id: user._id },
+        { err, userId: user._id },
         'something went wrong creating subscription'
       )
       throw err
@@ -553,7 +553,7 @@ async function _successfulSubscriptionAngular(req, res) {
 
 function cancelSubscription(req, res, next) {
   const user = SessionManager.getSessionUser(req.session)
-  logger.debug({ user_id: user._id }, 'canceling subscription')
+  logger.debug({ userId: user._id }, 'canceling subscription')
   SubscriptionHandler.cancelSubscription(user, function (err) {
     if (err) {
       OError.tag(err, 'something went wrong canceling subscription', {
@@ -627,12 +627,12 @@ function updateSubscription(req, res, next) {
   if (planCode == null) {
     const err = new Error('plan_code is not defined')
     logger.warn(
-      { user_id: user._id, err, planCode, origin, body: req.body },
+      { userId: user._id, err, planCode, origin, body: req.body },
       '[Subscription] error in updateSubscription form'
     )
     return next(err)
   }
-  logger.debug({ planCode, user_id: user._id }, 'updating subscription')
+  logger.debug({ planCode, userId: user._id }, 'updating subscription')
   SubscriptionHandler.updateSubscription(user, planCode, null, function (err) {
     if (err) {
       OError.tag(err, 'something went wrong updating subscription', {
@@ -646,7 +646,7 @@ function updateSubscription(req, res, next) {
 
 function cancelPendingSubscriptionChange(req, res, next) {
   const user = SessionManager.getSessionUser(req.session)
-  logger.debug({ user_id: user._id }, 'canceling pending subscription change')
+  logger.debug({ userId: user._id }, 'canceling pending subscription change')
   SubscriptionHandler.cancelPendingSubscriptionChange(user, function (err) {
     if (err) {
       OError.tag(
@@ -678,7 +678,7 @@ function updateAccountEmailAddress(req, res, next) {
 
 function reactivateSubscription(req, res, next) {
   const user = SessionManager.getSessionUser(req.session)
-  logger.debug({ user_id: user._id }, 'reactivating subscription')
+  logger.debug({ userId: user._id }, 'reactivating subscription')
   SubscriptionHandler.reactivateSubscription(user, function (err) {
     if (err) {
       OError.tag(err, 'something went wrong reactivating subscription', {
@@ -775,7 +775,7 @@ function processUpgradeToAnnualPlan(req, res, next) {
   const couponCode = Settings.coupon_codes.upgradeToAnnualPromo[planName]
   const annualPlanName = `${planName}-annual`
   logger.debug(
-    { user_id: user._id, planName: annualPlanName },
+    { userId: user._id, planName: annualPlanName },
     'user is upgrading to annual billing with discount'
   )
   return SubscriptionHandler.updateSubscription(
diff --git a/services/web/app/src/Features/Subscription/SubscriptionGroupController.js b/services/web/app/src/Features/Subscription/SubscriptionGroupController.js
index 32203c3276..7e9a3a2579 100644
--- a/services/web/app/src/Features/Subscription/SubscriptionGroupController.js
+++ b/services/web/app/src/Features/Subscription/SubscriptionGroupController.js
@@ -8,7 +8,7 @@ function removeUserFromGroup(req, res, next) {
   const subscription = req.entity
   const userToRemoveId = req.params.user_id
   logger.debug(
-    { subscriptionId: subscription._id, userToRemove_id: userToRemoveId },
+    { subscriptionId: subscription._id, userToRemoveId },
     'removing user from group subscription'
   )
   SubscriptionGroupHandler.removeUserFromGroup(
@@ -44,7 +44,7 @@ function removeSelfFromGroup(req, res, next) {
         function (error) {
           if (error) {
             logger.err(
-              { err: error, userToRemove_id: userToRemoveId, subscriptionId },
+              { err: error, userToRemoveId, subscriptionId },
               'error removing self from group'
             )
             return res.sendStatus(500)
diff --git a/services/web/app/src/Features/Subscription/SubscriptionHandler.js b/services/web/app/src/Features/Subscription/SubscriptionHandler.js
index 88c475de55..6b04c96f46 100644
--- a/services/web/app/src/Features/Subscription/SubscriptionHandler.js
+++ b/services/web/app/src/Features/Subscription/SubscriptionHandler.js
@@ -80,7 +80,7 @@ function updateSubscription(user, planCode, couponCode, callback) {
     function (err, hasSubscription, subscription) {
       if (err) {
         logger.warn(
-          { err, user_id: user._id, hasSubscription },
+          { err, userId: user._id, hasSubscription },
           'there was an error checking user v2 subscription'
         )
       }
@@ -183,7 +183,7 @@ function cancelSubscription(user, callback) {
     function (err, hasSubscription, subscription) {
       if (err) {
         logger.warn(
-          { err, user_id: user._id, hasSubscription },
+          { err, userId: user._id, hasSubscription },
           'there was an error checking user v2 subscription'
         )
       }
@@ -220,7 +220,7 @@ function reactivateSubscription(user, callback) {
     function (err, hasSubscription, subscription) {
       if (err) {
         logger.warn(
-          { err, user_id: user._id, hasSubscription },
+          { err, userId: user._id, hasSubscription },
           'there was an error checking user v2 subscription'
         )
       }
diff --git a/services/web/app/src/Features/Templates/TemplatesController.js b/services/web/app/src/Features/Templates/TemplatesController.js
index 3dd29699ca..ff6c349c01 100644
--- a/services/web/app/src/Features/Templates/TemplatesController.js
+++ b/services/web/app/src/Features/Templates/TemplatesController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -47,7 +46,7 @@ module.exports = TemplatesController = {
   },
 
   createProjectFromV1Template(req, res, next) {
-    const user_id = SessionManager.getLoggedInUserId(req.session)
+    const userId = SessionManager.getLoggedInUserId(req.session)
     return TemplatesManager.createProjectFromV1Template(
       req.body.brandVariationId,
       req.body.compiler,
@@ -55,7 +54,7 @@ module.exports = TemplatesController = {
       req.body.templateId,
       req.body.templateName,
       req.body.templateVersionId,
-      user_id,
+      userId,
       req.body.imageName,
       function (err, project) {
         if (err != null) {
diff --git a/services/web/app/src/Features/Templates/TemplatesManager.js b/services/web/app/src/Features/Templates/TemplatesManager.js
index e861cfdb3f..f3b506a28b 100644
--- a/services/web/app/src/Features/Templates/TemplatesManager.js
+++ b/services/web/app/src/Features/Templates/TemplatesManager.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
 */
 // TODO: This file was created by bulk-decaffeinate.
@@ -35,7 +34,7 @@ const TemplatesManager = {
     templateId,
     templateName,
     templateVersionId,
-    user_id,
+    userId,
     imageName,
     _callback
   ) {
@@ -73,7 +72,7 @@ const TemplatesManager = {
           return callback(new Error('get zip failed'))
         }
         ProjectUploadManager.createProjectFromZipArchiveWithName(
-          user_id,
+          userId,
           projectName,
           dumpPath,
           attributes,
@@ -129,33 +128,33 @@ const TemplatesManager = {
     })
   },
 
-  _setCompiler(project_id, compiler, callback) {
+  _setCompiler(projectId, compiler, callback) {
     if (compiler == null) {
       return callback()
     }
-    ProjectOptionsHandler.setCompiler(project_id, compiler, callback)
+    ProjectOptionsHandler.setCompiler(projectId, compiler, callback)
   },
 
-  _setImage(project_id, imageName, callback) {
+  _setImage(projectId, imageName, callback) {
     if (!imageName) {
       imageName = 'wl_texlive:2018.1'
     }
-    ProjectOptionsHandler.setImageName(project_id, imageName, callback)
+    ProjectOptionsHandler.setImageName(projectId, imageName, callback)
   },
 
-  _setMainFile(project_id, mainFile, callback) {
+  _setMainFile(projectId, mainFile, callback) {
     if (mainFile == null) {
       return callback()
     }
-    ProjectRootDocManager.setRootDocFromName(project_id, mainFile, callback)
+    ProjectRootDocManager.setRootDocFromName(projectId, mainFile, callback)
   },
 
-  _setBrandVariationId(project_id, brandVariationId, callback) {
+  _setBrandVariationId(projectId, brandVariationId, callback) {
     if (brandVariationId == null) {
       return callback()
     }
     ProjectOptionsHandler.setBrandVariationId(
-      project_id,
+      projectId,
       brandVariationId,
       callback
     )
diff --git a/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateHandler.js b/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateHandler.js
index 91936bd6b4..5d39a66c58 100644
--- a/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateHandler.js
+++ b/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateHandler.js
@@ -89,7 +89,7 @@ async function deleteUpdate(userId, projectId, projectName, path, source) {
   const project = activeProjects[0]
   if (path === '/') {
     logger.debug(
-      { userId, filePath: path, projectName, project_id: project._id },
+      { userId, filePath: path, projectName, projectId: project._id },
       'project found for delete update, path is root so marking project as deleted'
     )
     await ProjectDeleter.promises.markAsDeletedByExternalSource(project._id)
diff --git a/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js b/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js
index aceb641995..61477a501e 100644
--- a/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js
+++ b/services/web/app/src/Features/ThirdPartyDataStore/TpdsUpdateSender.js
@@ -190,7 +190,7 @@ async function deleteProject(params) {
     )
     if (!response.ok) {
       logger.error(
-        { statusCode: response.status, project_id: projectId },
+        { statusCode: response.status, projectId },
         'error deleting project in third party datastore (project_archiver)'
       )
       return false
diff --git a/services/web/app/src/Features/Uploads/ProjectUploadController.js b/services/web/app/src/Features/Uploads/ProjectUploadController.js
index b6fe89ad2b..f64a422674 100644
--- a/services/web/app/src/Features/Uploads/ProjectUploadController.js
+++ b/services/web/app/src/Features/Uploads/ProjectUploadController.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -39,11 +38,11 @@ const upload = multer(
 module.exports = ProjectUploadController = {
   uploadProject(req, res, next) {
     const timer = new metrics.Timer('project-upload')
-    const user_id = SessionManager.getLoggedInUserId(req.session)
+    const userId = SessionManager.getLoggedInUserId(req.session)
     const { originalname, path } = req.file
     const name = Path.basename(originalname, '.zip')
     return ProjectUploadManager.createProjectFromZipArchive(
-      user_id,
+      userId,
       name,
       path,
       function (error, project) {
@@ -76,11 +75,11 @@ module.exports = ProjectUploadController = {
     const timer = new metrics.Timer('file-upload')
     const name = req.file != null ? req.file.originalname : undefined
     const path = req.file != null ? req.file.path : undefined
-    const project_id = req.params.Project_id
-    const { folder_id } = req.query
+    const projectId = req.params.Project_id
+    const { folder_id: folderId } = req.query
     if (name == null || name.length === 0 || name.length > 150) {
       logger.err(
-        { projectId: project_id, fileName: name },
+        { projectId, fileName: name },
         'bad name when trying to upload file'
       )
       return res.status(422).json({
@@ -88,12 +87,12 @@ module.exports = ProjectUploadController = {
         error: 'invalid_filename',
       })
     }
-    const user_id = SessionManager.getLoggedInUserId(req.session)
+    const userId = SessionManager.getLoggedInUserId(req.session)
 
     return FileSystemImportManager.addEntity(
-      user_id,
-      project_id,
-      folder_id,
+      userId,
+      projectId,
+      folderId,
       name,
       path,
       true,
@@ -104,10 +103,10 @@ module.exports = ProjectUploadController = {
           logger.error(
             {
               err: error,
-              projectId: project_id,
+              projectId,
               filePath: path,
               fileName: name,
-              folderId: folder_id,
+              folderId,
             },
             'error uploading file'
           )
diff --git a/services/web/app/src/Features/User/UserSessionsManager.js b/services/web/app/src/Features/User/UserSessionsManager.js
index 4190a7a3f9..8be80e1ae0 100644
--- a/services/web/app/src/Features/User/UserSessionsManager.js
+++ b/services/web/app/src/Features/User/UserSessionsManager.js
@@ -88,10 +88,7 @@ const UserSessionsManager = {
       }
       sessionKeys = _.filter(sessionKeys, k => !_.contains(exclude, k))
       if (sessionKeys.length === 0) {
-        logger.debug(
-          { user_id: user._id },
-          'no other sessions found, returning'
-        )
+        logger.debug({ userId: user._id }, 'no other sessions found, returning')
         return callback(null, [])
       }
 
@@ -152,13 +149,13 @@ const UserSessionsManager = {
       )
       if (keysToDelete.length === 0) {
         logger.debug(
-          { user_id: user._id },
+          { userId: user._id },
           'no sessions in UserSessions set to delete, returning'
         )
         return callback(null)
       }
       logger.debug(
-        { user_id: user._id, count: keysToDelete.length },
+        { userId: user._id, count: keysToDelete.length },
         'deleting sessions for user'
       )
 
diff --git a/services/web/app/src/Features/V1/V1Handler.js b/services/web/app/src/Features/V1/V1Handler.js
index 8a7f682600..5634804b58 100644
--- a/services/web/app/src/Features/V1/V1Handler.js
+++ b/services/web/app/src/Features/V1/V1Handler.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -55,13 +54,13 @@ module.exports = V1Handler = {
     )
   },
 
-  doPasswordReset(v1_user_id, password, callback) {
+  doPasswordReset(v1UserId, password, callback) {
     return V1Api.request(
       {
         method: 'POST',
         url: '/api/v1/sharelatex/reset_password',
         json: {
-          user_id: v1_user_id,
+          user_id: v1UserId,
           password,
         },
         expectedStatusCodes: [200],
@@ -69,13 +68,13 @@ module.exports = V1Handler = {
       function (err, response, body) {
         if (err != null) {
           OError.tag(err, 'error while talking to v1 password reset api', {
-            v1_user_id,
+            v1_user_id: v1UserId,
           })
           return callback(err, false)
         }
         if ([200].includes(response.statusCode)) {
           logger.debug(
-            { v1_user_id, changed: true },
+            { v1UserId, changed: true },
             'got success response from v1 password reset api'
           )
           return callback(null, true)
diff --git a/services/web/app/src/infrastructure/ExpressLocals.js b/services/web/app/src/infrastructure/ExpressLocals.js
index 7d1ed633b6..167e99a559 100644
--- a/services/web/app/src/infrastructure/ExpressLocals.js
+++ b/services/web/app/src/infrastructure/ExpressLocals.js
@@ -126,7 +126,7 @@ module.exports = function (webRouter, privateApiRouter, publicApiRouter) {
     const userId = SessionManager.getLoggedInUserId(req.session)
     if (cdnBlocked && req.session.cdnBlocked == null) {
       logger.debug(
-        { user_id: userId, ip: req != null ? req.ip : undefined },
+        { userId, ip: req != null ? req.ip : undefined },
         'cdnBlocked for user, not using it and turning it off for future requets'
       )
       Metrics.inc('no_cdn', 1, {
diff --git a/services/web/app/src/util/bib2json.js b/services/web/app/src/util/bib2json.js
index e9fd468e36..3ad0994fab 100644
--- a/services/web/app/src/util/bib2json.js
+++ b/services/web/app/src/util/bib2json.js
@@ -49,7 +49,7 @@ function BibtexParser(arg0, allowedKeys) {
     let parser = new BibtexParser(accumulator, allowedKeys)
     parser.parse(arg0)
     return {
-      entries: entries,
+      entries,
       errors: parser.getErrors(),
     }
   }
diff --git a/services/web/modules/launchpad/app/src/LaunchpadController.js b/services/web/modules/launchpad/app/src/LaunchpadController.js
index 39b3b18ab5..7718c1942e 100644
--- a/services/web/modules/launchpad/app/src/LaunchpadController.js
+++ b/services/web/modules/launchpad/app/src/LaunchpadController.js
@@ -185,7 +185,7 @@ module.exports = LaunchpadController = {
 
               AuthenticationController.setRedirectInSession(req, '/launchpad')
               logger.debug(
-                { email, user_id: user._id, authMethod },
+                { email, userId: user._id, authMethod },
                 'created first admin account'
               )
 
@@ -244,7 +244,7 @@ module.exports = LaunchpadController = {
           return next(err)
         }
 
-        logger.debug({ user_id: user._id }, 'making user an admin')
+        logger.debug({ userId: user._id }, 'making user an admin')
         User.updateOne(
           { _id: user._id },
           {
@@ -262,7 +262,7 @@ module.exports = LaunchpadController = {
             }
 
             logger.debug(
-              { email, user_id: user._id },
+              { email, userId: user._id },
               'created first admin account'
             )
             res.json({ redir: '/launchpad' })
diff --git a/services/web/scripts/history/debug_history.js b/services/web/scripts/history/debug_history.js
index adddf85122..755716eb55 100644
--- a/services/web/scripts/history/debug_history.js
+++ b/services/web/scripts/history/debug_history.js
@@ -170,14 +170,14 @@ function rewindOp(content, op, log) {
     // is the case with this op, and shift p back appropriately to match
     // ShareJS if so.
     let { p } = op
-    const max_p = content.length - op.i.length
-    if (p > max_p) {
+    const maxP = content.length - op.i.length
+    if (p > maxP) {
       log.opError(
         'invalid offset rewinding insert, truncating to content length',
         content,
         op
       )
-      p = max_p
+      p = maxP
     }
     const textToBeRemoved = content.slice(p, p + op.i.length)
     if (op.i !== textToBeRemoved) {
diff --git a/services/web/test/acceptance/src/ApiClsiTests.js b/services/web/test/acceptance/src/ApiClsiTests.js
index 2fa3381ab9..47ba7e148b 100644
--- a/services/web/test/acceptance/src/ApiClsiTests.js
+++ b/services/web/test/acceptance/src/ApiClsiTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
     n/no-deprecated-api,
@@ -17,7 +16,7 @@ const request = require('./helpers/request')
 const Settings = require('@overleaf/settings')
 
 const auth = Buffer.from('sharelatex:password').toString('base64')
-const authed_request = request.defaults({
+const authedRequest = request.defaults({
   headers: {
     Authorization: `Basic ${auth}`,
   },
@@ -52,7 +51,7 @@ describe('ApiClsiTests', function () {
 
     describe('valid request', function () {
       it('returns success and a list of output files', function (done) {
-        return authed_request.post(
+        return authedRequest.post(
           {
             uri: '/api/clsi/compile/abcd',
             json: this.compileSpec,
@@ -108,7 +107,7 @@ describe('ApiClsiTests', function () {
   describe('get output', function () {
     describe('valid file', function () {
       it('returns the file', function (done) {
-        return authed_request.get(
+        return authedRequest.get(
           '/api/clsi/compile/abcd/build/1234/output/project.pdf',
           (error, response, body) => {
             if (error != null) {
@@ -124,7 +123,7 @@ describe('ApiClsiTests', function () {
 
     describe('invalid file', function () {
       it('returns 404', function (done) {
-        return authed_request.get(
+        return authedRequest.get(
           '/api/clsi/compile/abcd/build/1234/output/project.aux',
           (error, response, body) => {
             if (error != null) {
diff --git a/services/web/test/acceptance/src/ProjectFeaturesTests.js b/services/web/test/acceptance/src/ProjectFeaturesTests.js
index 06ea1567ce..93f1737ea2 100644
--- a/services/web/test/acceptance/src/ProjectFeaturesTests.js
+++ b/services/web/test/acceptance/src/ProjectFeaturesTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
 */
@@ -17,11 +16,11 @@ const User = require('./helpers/User')
 const request = require('./helpers/request')
 const settings = require('@overleaf/settings')
 
-const joinProject = (user_id, project_id, callback) =>
+const joinProject = (userId, projectId, callback) =>
   request.post(
     {
-      url: `/project/${project_id}/join`,
-      qs: { user_id },
+      url: `/project/${projectId}/join`,
+      qs: { user_id: userId },
       auth: {
         user: settings.apis.web.user,
         pass: settings.apis.web.pass,
@@ -42,16 +41,13 @@ describe('ProjectFeatures', function () {
 
   describe('with private project', function () {
     beforeEach(function (done) {
-      return this.owner.createProject(
-        'private-project',
-        (error, project_id) => {
-          if (error != null) {
-            return done(error)
-          }
-          this.project_id = project_id
-          return done()
+      return this.owner.createProject('private-project', (error, projectId) => {
+        if (error != null) {
+          return done(error)
         }
-      )
+        this.project_id = projectId
+        return done()
+      })
     })
 
     describe('with an upgraded account', function () {
diff --git a/services/web/test/acceptance/src/RestoringFilesTest.js b/services/web/test/acceptance/src/RestoringFilesTest.js
index 5a0abeba69..9b16f56c9c 100644
--- a/services/web/test/acceptance/src/RestoringFilesTest.js
+++ b/services/web/test/acceptance/src/RestoringFilesTest.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-unused-vars,
 */
@@ -35,8 +34,8 @@ describe('RestoringFiles', function () {
       return this.owner.createProject(
         'example-project',
         { template: 'example' },
-        (error, project_id) => {
-          this.project_id = project_id
+        (error, projectId) => {
+          this.project_id = projectId
           if (error != null) {
             throw error
           }
@@ -94,11 +93,11 @@ describe('RestoringFiles', function () {
         if (error != null) {
           throw error
         }
-        const restored_doc = _.find(
+        const restoredDoc = _.find(
           project.rootFolder[0].docs,
           doc => doc.name === 'main.tex'
         )
-        expect(restored_doc._id.toString()).to.equal(this.restored_doc_id)
+        expect(restoredDoc._id.toString()).to.equal(this.restored_doc_id)
         expect(this.doc._id).to.not.equal(this.restored_doc_id)
         expect(
           MockDocstoreApi.docs[this.project_id][this.restored_doc_id].lines
diff --git a/services/web/test/acceptance/src/SecurityHeadersTests.js b/services/web/test/acceptance/src/SecurityHeadersTests.js
index aba148735b..9e0e1b608b 100644
--- a/services/web/test/acceptance/src/SecurityHeadersTests.js
+++ b/services/web/test/acceptance/src/SecurityHeadersTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-return-assign,
@@ -17,7 +16,7 @@ const async = require('async')
 const User = require('./helpers/User')
 const request = require('./helpers/request')
 
-const assert_has_common_headers = function (response) {
+const assertHasCommonHeaders = function (response) {
   const { headers } = response
   assert.include(headers, {
     'x-download-options': 'noopen',
@@ -31,7 +30,7 @@ const assert_has_common_headers = function (response) {
   assert.isUndefined(headers['cross-origin-embedder-policy'])
 }
 
-const assert_has_cache_headers = function (response) {
+const assertHasCacheHeaders = function (response) {
   assert.include(response.headers, {
     'surrogate-control': 'no-store',
     'cache-control': 'no-store, no-cache, must-revalidate, proxy-revalidate',
@@ -40,7 +39,7 @@ const assert_has_cache_headers = function (response) {
   })
 }
 
-const assert_has_no_cache_headers = function (response) {
+const assertHasNoCacheHeaders = function (response) {
   assert.doesNotHaveAnyKeys(response.headers, [
     'surrogate-control',
     'cache-control',
@@ -49,7 +48,7 @@ const assert_has_no_cache_headers = function (response) {
   ])
 }
 
-const assert_has_asset_caching_headers = function (response) {
+const assertHasAssetCachingHeaders = function (response) {
   assert.equal(response.headers['cache-control'], 'public, max-age=31536000')
 }
 
@@ -67,21 +66,21 @@ describe('SecurityHeaders', function () {
 
   it('should have all common headers', function (done) {
     return request.get('/', (err, res, body) => {
-      assert_has_common_headers(res)
+      assertHasCommonHeaders(res)
       return done()
     })
   })
 
   it('should not have cache headers on public pages', function (done) {
     return request.get('/', (err, res, body) => {
-      assert_has_no_cache_headers(res)
+      assertHasNoCacheHeaders(res)
       return done()
     })
   })
 
   it('should have caching headers on static assets', function (done) {
     request.get('/favicon.ico', (err, res) => {
-      assert_has_asset_caching_headers(res)
+      assertHasAssetCachingHeaders(res)
       done(err)
     })
   })
@@ -94,8 +93,8 @@ describe('SecurityHeaders', function () {
         cb => this.user.logout(cb),
       ],
       (err, results) => {
-        const main_response = results[1][0]
-        assert_has_cache_headers(main_response)
+        const mainResponse = results[1][0]
+        assertHasCacheHeaders(mainResponse)
         return done()
       }
     )
@@ -108,11 +107,11 @@ describe('SecurityHeaders', function () {
         cb => {
           return this.user.createProject(
             'public-project',
-            (error, project_id) => {
+            (error, projectId) => {
               if (error != null) {
                 return done(error)
               }
-              this.project_id = project_id
+              this.project_id = projectId
               return this.user.makePublic(this.project_id, 'readAndWrite', cb)
             }
           )
@@ -121,7 +120,7 @@ describe('SecurityHeaders', function () {
       ],
       (err, results) => {
         return request.get(`/project/${this.project_id}`, (err, res, body) => {
-          assert_has_cache_headers(res)
+          assertHasCacheHeaders(res)
           return done()
         })
       }
@@ -137,7 +136,7 @@ describe('SecurityHeaders', function () {
       ],
       (err, results) => {
         const res = results[1][0]
-        assert_has_asset_caching_headers(res)
+        assertHasAssetCachingHeaders(res)
         done()
       }
     )
diff --git a/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js b/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js
index 72aa800a73..15bd16199f 100644
--- a/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js
+++ b/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js
@@ -1419,7 +1419,7 @@ describe('AuthenticationController', function () {
       it('should log the successful login', function () {
         this.logger.debug
           .calledWith(
-            { email: this.user.email, user_id: this.user._id.toString() },
+            { email: this.user.email, userId: this.user._id.toString() },
             'successful log in'
           )
           .should.equal(true)
diff --git a/services/web/test/unit/src/Chat/ChatControllerTests.js b/services/web/test/unit/src/Chat/ChatControllerTests.js
index 697f0de44f..ca7a5e18d9 100644
--- a/services/web/test/unit/src/Chat/ChatControllerTests.js
+++ b/services/web/test/unit/src/Chat/ChatControllerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-return-assign,
@@ -135,8 +134,8 @@ describe('ChatController', function () {
           mock: 'user_2',
         },
       }
-      this.UserInfoManager.getPersonalInfo = (user_id, callback) => {
-        return callback(null, this.users[user_id])
+      this.UserInfoManager.getPersonalInfo = (userId, callback) => {
+        return callback(null, this.users[userId])
       }
       sinon.spy(this.UserInfoManager, 'getPersonalInfo')
       return (this.UserInfoController.formatPersonalInfo = user => ({
diff --git a/services/web/test/unit/src/Downloads/ProjectZipStreamManagerTests.js b/services/web/test/unit/src/Downloads/ProjectZipStreamManagerTests.js
index c778c08099..ed5c21979a 100644
--- a/services/web/test/unit/src/Downloads/ProjectZipStreamManagerTests.js
+++ b/services/web/test/unit/src/Downloads/ProjectZipStreamManagerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-return-assign,
     no-unused-vars,
@@ -55,19 +54,19 @@ describe('ProjectZipStreamManager', function () {
         }
 
         this.ProjectZipStreamManager.createZipStreamForProject = (
-          project_id,
+          projectId,
           callback
         ) => {
-          callback(null, this.zip_streams[project_id])
+          callback(null, this.zip_streams[projectId])
           setTimeout(() => {
-            return this.zip_streams[project_id].emit('end')
+            return this.zip_streams[projectId].emit('end')
           })
           return 0
         }
         sinon.spy(this.ProjectZipStreamManager, 'createZipStreamForProject')
 
-        this.ProjectGetter.getProject = (project_id, fields, callback) => {
-          return callback(null, { name: this.project_names[project_id] })
+        this.ProjectGetter.getProject = (projectId, fields, callback) => {
+          return callback(null, { name: this.project_names[projectId] })
         }
         sinon.spy(this.ProjectGetter, 'getProject')
 
@@ -95,26 +94,26 @@ describe('ProjectZipStreamManager', function () {
       })
 
       it('should get a zip stream for all of the projects', function () {
-        return Array.from(this.project_ids).map(project_id =>
+        return Array.from(this.project_ids).map(projectId =>
           this.ProjectZipStreamManager.createZipStreamForProject
-            .calledWith(project_id)
+            .calledWith(projectId)
             .should.equal(true)
         )
       })
 
       it('should get the names of each project', function () {
-        return Array.from(this.project_ids).map(project_id =>
+        return Array.from(this.project_ids).map(projectId =>
           this.ProjectGetter.getProject
-            .calledWith(project_id, { name: true })
+            .calledWith(projectId, { name: true })
             .should.equal(true)
         )
       })
 
       it('should add all of the projects to the zip', function () {
-        return Array.from(this.project_ids).map(project_id =>
+        return Array.from(this.project_ids).map(projectId =>
           this.archive.append
-            .calledWith(this.zip_streams[project_id], {
-              name: this.project_names[project_id] + '.zip',
+            .calledWith(this.zip_streams[projectId], {
+              name: this.project_names[projectId] + '.zip',
             })
             .should.equal(true)
         )
@@ -132,18 +131,18 @@ describe('ProjectZipStreamManager', function () {
         }
 
         this.ProjectZipStreamManager.createZipStreamForProject = (
-          project_id,
+          projectId,
           callback
         ) => {
-          callback(null, this.zip_streams[project_id])
+          callback(null, this.zip_streams[projectId])
           setTimeout(() => {
-            this.zip_streams[project_id].emit('end')
+            this.zip_streams[projectId].emit('end')
           })
         }
         sinon.spy(this.ProjectZipStreamManager, 'createZipStreamForProject')
 
-        this.ProjectGetter.getProject = (project_id, fields, callback) => {
-          const name = this.project_names[project_id]
+        this.ProjectGetter.getProject = (projectId, fields, callback) => {
+          const name = this.project_names[projectId]
           callback(null, name ? { name } : undefined)
         }
         sinon.spy(this.ProjectGetter, 'getProject')
@@ -170,9 +169,9 @@ describe('ProjectZipStreamManager', function () {
       })
 
       it('should get the names of each project', function () {
-        this.project_ids.map(project_id =>
+        this.project_ids.map(projectId =>
           this.ProjectGetter.getProject
-            .calledWith(project_id, { name: true })
+            .calledWith(projectId, { name: true })
             .should.equal(true)
         )
       })
@@ -379,10 +378,10 @@ describe('ProjectZipStreamManager', function () {
       this.ProjectEntityHandler.getAllFiles = sinon
         .stub()
         .callsArgWith(1, null, this.files)
-      this.FileStoreHandler.getFileStream = (project_id, file_id, ...rest) => {
+      this.FileStoreHandler.getFileStream = (projectId, fileId, ...rest) => {
         const obj = rest[0],
           callback = rest[1]
-        return callback(null, this.streams[file_id])
+        return callback(null, this.streams[fileId])
       }
       sinon.spy(this.FileStoreHandler, 'getFileStream')
       this.ProjectZipStreamManager.addAllFilesToArchive(
diff --git a/services/web/test/unit/src/Exports/ExportsControllerTests.js b/services/web/test/unit/src/Exports/ExportsControllerTests.js
index 356eacf25e..0c82981ab0 100644
--- a/services/web/test/unit/src/Exports/ExportsControllerTests.js
+++ b/services/web/test/unit/src/Exports/ExportsControllerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-return-assign,
     no-unused-vars,
@@ -22,23 +21,23 @@ const modulePath = require('path').join(
 )
 
 describe('ExportsController', function () {
-  const project_id = '123njdskj9jlk'
-  const user_id = '123nd3ijdks'
-  const brand_variation_id = 22
+  const projectId = '123njdskj9jlk'
+  const userId = '123nd3ijdks'
+  const brandVariationId = 22
   const firstName = 'first'
   const lastName = 'last'
   const title = 'title'
   const description = 'description'
   const author = 'author'
   const license = 'other'
-  const show_source = true
+  const showSource = true
 
   beforeEach(function () {
     this.handler = { getUserNotifications: sinon.stub().callsArgWith(1) }
     this.req = {
       params: {
-        project_id,
-        brand_variation_id,
+        project_id: projectId,
+        brand_variation_id: brandVariationId,
       },
       body: {
         firstName,
@@ -46,7 +45,7 @@ describe('ExportsController', function () {
       },
       session: {
         user: {
-          _id: user_id,
+          _id: userId,
         },
       },
       i18n: {
@@ -77,9 +76,9 @@ describe('ExportsController', function () {
         .stub()
         .yields(null, { iAmAnExport: true, v1_id: 897 })
       const expected = {
-        project_id,
-        user_id,
-        brand_variation_id,
+        project_id: projectId,
+        user_id: userId,
+        brand_variation_id: brandVariationId,
         first_name: firstName,
         last_name: lastName,
       }
@@ -101,9 +100,9 @@ describe('ExportsController', function () {
         message: 'RESUBMISSION',
       })
       const expected = {
-        project_id,
-        user_id,
-        brand_variation_id,
+        project_id: projectId,
+        user_id: userId,
+        brand_variation_id: brandVariationId,
         first_name: firstName,
         last_name: lastName,
       }
@@ -134,16 +133,16 @@ describe('ExportsController', function () {
         .stub()
         .yields(null, { iAmAnExport: true, v1_id: 897 })
       const expected = {
-        project_id,
-        user_id,
-        brand_variation_id,
+        project_id: projectId,
+        user_id: userId,
+        brand_variation_id: brandVariationId,
         first_name: firstName,
         last_name: lastName,
         title,
         description,
         author,
         license,
-        show_source,
+        show_source: showSource,
       }
       return this.controller.exportProject(this.req, {
         json: body => {
@@ -184,7 +183,7 @@ describe('ExportsController', function () {
 }`
     )
 
-    this.req.params = { project_id, export_id: 897 }
+    this.req.params = { project_id: projectId, export_id: 897 }
     return this.controller.exportStatus(this.req, {
       json: body => {
         expect(body).to.deep.equal({
diff --git a/services/web/test/unit/src/Exports/ExportsHandlerTests.js b/services/web/test/unit/src/Exports/ExportsHandlerTests.js
index 6e81a21a04..5708f55e7a 100644
--- a/services/web/test/unit/src/Exports/ExportsHandlerTests.js
+++ b/services/web/test/unit/src/Exports/ExportsHandlerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-return-assign,
     no-unused-vars,
@@ -73,8 +72,8 @@ describe('ExportsHandler', function () {
       beforeEach(function (done) {
         return this.ExportsHandler.exportProject(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -106,8 +105,8 @@ describe('ExportsHandler', function () {
           .yields(new Error('cannot export project without root doc'))
         return this.ExportsHandler.exportProject(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -126,8 +125,8 @@ describe('ExportsHandler', function () {
           .yields(null, { forwardResponse: this.error_json })
         return this.ExportsHandler.exportProject(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -188,8 +187,8 @@ describe('ExportsHandler', function () {
       beforeEach(function (done) {
         return this.ExportsHandler._buildExport(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -206,7 +205,7 @@ describe('ExportsHandler', function () {
       })
 
       it('should return export data', function () {
-        const expected_export_data = {
+        const expectedExportData = {
           project: {
             id: this.project_id,
             rootDocPath: this.rootDocPath,
@@ -239,7 +238,7 @@ describe('ExportsHandler', function () {
           },
         }
         return this.callback
-          .calledWith(null, expected_export_data)
+          .calledWith(null, expectedExportData)
           .should.equal(true)
       })
     })
@@ -252,15 +251,15 @@ describe('ExportsHandler', function () {
         this.export_params.last_name = this.custom_last_name
         return this.ExportsHandler._buildExport(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
       })
 
       it('should send the data from the user input', function () {
-        const expected_export_data = {
+        const expectedExportData = {
           project: {
             id: this.project_id,
             rootDocPath: this.rootDocPath,
@@ -293,7 +292,7 @@ describe('ExportsHandler', function () {
           },
         }
         return this.callback
-          .calledWith(null, expected_export_data)
+          .calledWith(null, expectedExportData)
           .should.equal(true)
       })
     })
@@ -305,8 +304,8 @@ describe('ExportsHandler', function () {
           .yields(new Error('project not found'))
         return this.ExportsHandler._buildExport(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -326,8 +325,8 @@ describe('ExportsHandler', function () {
             .yields(null, [null, { fileSystem: 'other.tex' }])
           return this.ExportsHandler._buildExport(
             this.export_params,
-            (error, export_data) => {
-              this.callback(error, export_data)
+            (error, exportData) => {
+              this.callback(error, exportData)
               return done()
             }
           )
@@ -340,7 +339,7 @@ describe('ExportsHandler', function () {
         })
 
         it('should return export data', function () {
-          const expected_export_data = {
+          const expectedExportData = {
             project: {
               id: this.project_id,
               rootDocPath: 'other.tex',
@@ -373,7 +372,7 @@ describe('ExportsHandler', function () {
             },
           }
           return this.callback
-            .calledWith(null, expected_export_data)
+            .calledWith(null, expectedExportData)
             .should.equal(true)
         })
       })
@@ -389,8 +388,8 @@ describe('ExportsHandler', function () {
             .yields(null, [null, { fileSystem: 'other.tex' }])
           return this.ExportsHandler._buildExport(
             this.export_params,
-            (error, export_data) => {
-              this.callback(error, export_data)
+            (error, exportData) => {
+              this.callback(error, exportData)
               return done()
             }
           )
@@ -403,7 +402,7 @@ describe('ExportsHandler', function () {
         })
 
         it('should return export data', function () {
-          const expected_export_data = {
+          const expectedExportData = {
             project: {
               id: this.project_id,
               rootDocPath: 'other.tex',
@@ -436,7 +435,7 @@ describe('ExportsHandler', function () {
             },
           }
           return this.callback
-            .calledWith(null, expected_export_data)
+            .calledWith(null, expectedExportData)
             .should.equal(true)
         })
       })
@@ -448,8 +447,8 @@ describe('ExportsHandler', function () {
             .yields(null, [null, null])
           return this.ExportsHandler._buildExport(
             this.export_params,
-            (error, export_data) => {
-              this.callback(error, export_data)
+            (error, exportData) => {
+              this.callback(error, exportData)
               return done()
             }
           )
@@ -468,8 +467,8 @@ describe('ExportsHandler', function () {
           .yields(new Error('user not found'))
         return this.ExportsHandler._buildExport(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -487,8 +486,8 @@ describe('ExportsHandler', function () {
           .yields(new Error('project history call failed'))
         return this.ExportsHandler._buildExport(
           this.export_params,
-          (error, export_data) => {
-            this.callback(error, export_data)
+          (error, exportData) => {
+            this.callback(error, exportData)
             return done()
           }
         )
@@ -523,8 +522,8 @@ describe('ExportsHandler', function () {
         this.stubRequest.post = this.stubPost
         return this.ExportsHandler._requestExport(
           this.export_data,
-          (error, export_v1_id) => {
-            this.callback(error, export_v1_id)
+          (error, exportV1Id) => {
+            this.callback(error, exportV1Id)
             return done()
           }
         )
@@ -556,8 +555,8 @@ describe('ExportsHandler', function () {
           .yields(new Error('export request failed'))
         return this.ExportsHandler._requestExport(
           this.export_data,
-          (error, export_v1_id) => {
-            this.callback(error, export_v1_id)
+          (error, exportV1Id) => {
+            this.callback(error, exportV1Id)
             return done()
           }
         )
@@ -577,8 +576,8 @@ describe('ExportsHandler', function () {
           .yields(null, { statusCode: this.error_code }, this.error_json)
         return this.ExportsHandler._requestExport(
           this.export_data,
-          (error, export_v1_id) => {
-            this.callback(error, export_v1_id)
+          (error, exportV1Id) => {
+            this.callback(error, exportV1Id)
             return done()
           }
         )
diff --git a/services/web/test/unit/src/Notifications/NotificationsHandlerTests.js b/services/web/test/unit/src/Notifications/NotificationsHandlerTests.js
index 3fabbf08c1..0be96e3d3d 100644
--- a/services/web/test/unit/src/Notifications/NotificationsHandlerTests.js
+++ b/services/web/test/unit/src/Notifications/NotificationsHandlerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-return-assign,
@@ -22,8 +21,8 @@ const modulePath = require('path').join(
 const _ = require('underscore')
 
 describe('NotificationsHandler', function () {
-  const user_id = '123nd3ijdks'
-  const notification_id = '123njdskj9jlk'
+  const userId = '123nd3ijdks'
+  const notificationId = '123njdskj9jlk'
   const notificationUrl = 'notification.sharelatex.testing'
 
   beforeEach(function () {
@@ -40,7 +39,7 @@ describe('NotificationsHandler', function () {
 
   describe('getUserNotifications', function () {
     it('should get unread notifications', function (done) {
-      const stubbedNotifications = [{ _id: notification_id, user_id }]
+      const stubbedNotifications = [{ _id: notificationId, user_id: userId }]
       this.request.callsArgWith(
         1,
         null,
@@ -48,11 +47,11 @@ describe('NotificationsHandler', function () {
         stubbedNotifications
       )
       return this.handler.getUserNotifications(
-        user_id,
+        userId,
         (err, unreadNotifications) => {
           stubbedNotifications.should.deep.equal(unreadNotifications)
           const getOpts = {
-            uri: `${notificationUrl}/user/${user_id}`,
+            uri: `${notificationUrl}/user/${userId}`,
             json: true,
             timeout: 1000,
             method: 'GET',
@@ -66,7 +65,7 @@ describe('NotificationsHandler', function () {
     it('should return empty arrays if there are no notifications', function () {
       this.request.callsArgWith(1, null, { statusCode: 200 }, null)
       return this.handler.getUserNotifications(
-        user_id,
+        userId,
         (err, unreadNotifications) => {
           return unreadNotifications.length.should.equal(0)
         }
@@ -80,9 +79,9 @@ describe('NotificationsHandler', function () {
     })
 
     it('should send a delete request when a delete has been received to mark a notification', function (done) {
-      return this.handler.markAsReadWithKey(user_id, this.key, () => {
+      return this.handler.markAsReadWithKey(userId, this.key, () => {
         const opts = {
-          uri: `${notificationUrl}/user/${user_id}`,
+          uri: `${notificationUrl}/user/${userId}`,
           json: {
             key: this.key,
           },
@@ -105,14 +104,14 @@ describe('NotificationsHandler', function () {
 
     it('should post the message over', function (done) {
       return this.handler.createNotification(
-        user_id,
+        userId,
         this.key,
         this.templateKey,
         this.messageOpts,
         this.expiry,
         () => {
           const args = this.request.args[0][0]
-          args.uri.should.equal(`${notificationUrl}/user/${user_id}`)
+          args.uri.should.equal(`${notificationUrl}/user/${userId}`)
           args.timeout.should.equal(1000)
           const expectedJson = {
             key: this.key,
@@ -136,14 +135,14 @@ describe('NotificationsHandler', function () {
 
       it('should post the message over with expiry field', function (done) {
         return this.handler.createNotification(
-          user_id,
+          userId,
           this.key,
           this.templateKey,
           this.messageOpts,
           this.expiry,
           () => {
             const args = this.request.args[0][0]
-            args.uri.should.equal(`${notificationUrl}/user/${user_id}`)
+            args.uri.should.equal(`${notificationUrl}/user/${userId}`)
             args.timeout.should.equal(1000)
             const expectedJson = {
               key: this.key,
diff --git a/services/web/test/unit/src/Project/ProjectHistoryHandlerTests.js b/services/web/test/unit/src/Project/ProjectHistoryHandlerTests.js
index 148c6e1272..d6b0a24785 100644
--- a/services/web/test/unit/src/Project/ProjectHistoryHandlerTests.js
+++ b/services/web/test/unit/src/Project/ProjectHistoryHandlerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     max-len,
     no-return-assign,
     no-unused-vars,
@@ -18,7 +17,7 @@ const modulePath = '../../../../app/src/Features/Project/ProjectHistoryHandler'
 const SandboxedModule = require('sandboxed-module')
 
 describe('ProjectHistoryHandler', function () {
-  const project_id = '4eecb1c1bffa66588e0000a1'
+  const projectId = '4eecb1c1bffa66588e0000a1'
   const userId = 1234
 
   beforeEach(function () {
@@ -30,7 +29,7 @@ describe('ProjectHistoryHandler', function () {
         }
 
         constructor(options) {
-          this._id = project_id
+          this._id = projectId
           this.name = 'project_name_here'
           this.rev = 0
         }
@@ -71,20 +70,20 @@ describe('ProjectHistoryHandler', function () {
       beforeEach(function () {
         this.ProjectDetailsHandler.getDetails = sinon
           .stub()
-          .withArgs(project_id)
+          .withArgs(projectId)
           .callsArgWith(1, null, this.project)
         this.ProjectModel.updateOne = sinon
           .stub()
           .callsArgWith(2, null, { matchedCount: 1 })
         return this.ProjectHistoryHandler.ensureHistoryExistsForProject(
-          project_id,
+          projectId,
           this.callback
         )
       })
 
       it('should get any existing history id for the project', function () {
         return this.ProjectDetailsHandler.getDetails
-          .calledWith(project_id)
+          .calledWith(projectId)
           .should.equal(true)
       })
 
@@ -95,7 +94,7 @@ describe('ProjectHistoryHandler', function () {
       it('should set the new history id on the project', function () {
         return this.ProjectModel.updateOne
           .calledWith(
-            { _id: project_id, 'overleaf.history.id': { $exists: false } },
+            { _id: projectId, 'overleaf.history.id': { $exists: false } },
             { 'overleaf.history.id': this.historyId }
           )
           .should.equal(true)
@@ -103,13 +102,13 @@ describe('ProjectHistoryHandler', function () {
 
       it('should resync the project history', function () {
         return this.ProjectEntityUpdateHandler.resyncProjectHistory
-          .calledWith(project_id)
+          .calledWith(projectId)
           .should.equal(true)
       })
 
       it('should flush the project history', function () {
         return this.HistoryManager.flushProject
-          .calledWith(project_id)
+          .calledWith(projectId)
           .should.equal(true)
       })
 
@@ -123,18 +122,18 @@ describe('ProjectHistoryHandler', function () {
         this.project.overleaf = { history: { id: 1234 } }
         this.ProjectDetailsHandler.getDetails = sinon
           .stub()
-          .withArgs(project_id)
+          .withArgs(projectId)
           .callsArgWith(1, null, this.project)
         this.ProjectModel.updateOne = sinon.stub()
         return this.ProjectHistoryHandler.ensureHistoryExistsForProject(
-          project_id,
+          projectId,
           this.callback
         )
       })
 
       it('should get any existing history id for the project', function () {
         return this.ProjectDetailsHandler.getDetails
-          .calledWith(project_id)
+          .calledWith(projectId)
           .should.equal(true)
       })
 
diff --git a/services/web/test/unit/src/Project/ProjectOptionsHandlerTests.js b/services/web/test/unit/src/Project/ProjectOptionsHandlerTests.js
index 2ebe618d8e..c3f2fcfae6 100644
--- a/services/web/test/unit/src/Project/ProjectOptionsHandlerTests.js
+++ b/services/web/test/unit/src/Project/ProjectOptionsHandlerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-return-assign,
@@ -20,7 +19,7 @@ const modulePath =
 const SandboxedModule = require('sandboxed-module')
 
 describe('ProjectOptionsHandler', function () {
-  const project_id = '4eecaffcbffa66588e000008'
+  const projectId = '4eecaffcbffa66588e000008'
 
   beforeEach(function () {
     let Project
@@ -49,16 +48,16 @@ describe('ProjectOptionsHandler', function () {
 
   describe('Setting the compiler', function () {
     it('should perform and update on mongo', function (done) {
-      this.handler.setCompiler(project_id, 'xeLaTeX', err => {
+      this.handler.setCompiler(projectId, 'xeLaTeX', err => {
         const args = this.projectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         args[1].compiler.should.equal('xelatex')
         done()
       })
     })
 
     it('should not perform and update on mongo if it is not a recognised compiler', function (done) {
-      this.handler.setCompiler(project_id, 'something', err => {
+      this.handler.setCompiler(projectId, 'something', err => {
         this.projectModel.updateOne.called.should.equal(false)
         done()
       })
@@ -66,7 +65,7 @@ describe('ProjectOptionsHandler', function () {
 
     describe('when called without arg', function () {
       it('should callback with null', function (done) {
-        this.handler.setCompiler(project_id, null, err => {
+        this.handler.setCompiler(projectId, null, err => {
           expect(err).to.be.undefined
           this.projectModel.updateOne.callCount.should.equal(0)
           done()
@@ -80,7 +79,7 @@ describe('ProjectOptionsHandler', function () {
       })
 
       it('should callback with error', function (done) {
-        this.handler.setCompiler(project_id, 'xeLaTeX', err => {
+        this.handler.setCompiler(projectId, 'xeLaTeX', err => {
           err.should.equal('error')
           done()
         })
@@ -90,16 +89,16 @@ describe('ProjectOptionsHandler', function () {
 
   describe('Setting the imageName', function () {
     it('should perform and update on mongo', function (done) {
-      this.handler.setImageName(project_id, 'texlive-1234.5', err => {
+      this.handler.setImageName(projectId, 'texlive-1234.5', err => {
         const args = this.projectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         args[1].imageName.should.equal('docker-repo/subdir/texlive-1234.5')
         done()
       })
     })
 
     it('should not perform and update on mongo if it is not a reconised compiler', function (done) {
-      this.handler.setImageName(project_id, 'something', err => {
+      this.handler.setImageName(projectId, 'something', err => {
         this.projectModel.updateOne.called.should.equal(false)
         done()
       })
@@ -107,7 +106,7 @@ describe('ProjectOptionsHandler', function () {
 
     describe('when called without arg', function () {
       it('should callback with null', function (done) {
-        this.handler.setImageName(project_id, null, err => {
+        this.handler.setImageName(projectId, null, err => {
           expect(err).to.be.undefined
           this.projectModel.updateOne.callCount.should.equal(0)
           done()
@@ -121,7 +120,7 @@ describe('ProjectOptionsHandler', function () {
       })
 
       it('should callback with error', function (done) {
-        this.handler.setImageName(project_id, 'texlive-1234.5', err => {
+        this.handler.setImageName(projectId, 'texlive-1234.5', err => {
           err.should.equal('error')
           done()
         })
@@ -131,23 +130,23 @@ describe('ProjectOptionsHandler', function () {
 
   describe('setting the spellCheckLanguage', function () {
     it('should perform and update on mongo', function (done) {
-      this.handler.setSpellCheckLanguage(project_id, 'fr', err => {
+      this.handler.setSpellCheckLanguage(projectId, 'fr', err => {
         const args = this.projectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         args[1].spellCheckLanguage.should.equal('fr')
         done()
       })
     })
 
     it('should not perform and update on mongo if it is not a reconised compiler', function (done) {
-      this.handler.setSpellCheckLanguage(project_id, 'no a lang', err => {
+      this.handler.setSpellCheckLanguage(projectId, 'no a lang', err => {
         this.projectModel.updateOne.called.should.equal(false)
         done()
       })
     })
 
     it('should perform and update on mongo if the language is blank (means turn it off)', function (done) {
-      this.handler.setSpellCheckLanguage(project_id, '', err => {
+      this.handler.setSpellCheckLanguage(projectId, '', err => {
         this.projectModel.updateOne.called.should.equal(true)
         done()
       })
@@ -159,7 +158,7 @@ describe('ProjectOptionsHandler', function () {
       })
 
       it('should callback with error', function (done) {
-        this.handler.setSpellCheckLanguage(project_id, 'fr', err => {
+        this.handler.setSpellCheckLanguage(projectId, 'fr', err => {
           err.should.equal('error')
           done()
         })
@@ -169,23 +168,23 @@ describe('ProjectOptionsHandler', function () {
 
   describe('setting the brandVariationId', function () {
     it('should perform and update on mongo', function (done) {
-      this.handler.setBrandVariationId(project_id, '123', err => {
+      this.handler.setBrandVariationId(projectId, '123', err => {
         const args = this.projectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         args[1].brandVariationId.should.equal('123')
         done()
       })
     })
 
     it('should not perform and update on mongo if there is no brand variation', function (done) {
-      this.handler.setBrandVariationId(project_id, null, err => {
+      this.handler.setBrandVariationId(projectId, null, err => {
         this.projectModel.updateOne.called.should.equal(false)
         done()
       })
     })
 
     it('should not perform and update on mongo if brand variation is an empty string', function (done) {
-      this.handler.setBrandVariationId(project_id, '', err => {
+      this.handler.setBrandVariationId(projectId, '', err => {
         this.projectModel.updateOne.called.should.equal(false)
         done()
       })
@@ -197,7 +196,7 @@ describe('ProjectOptionsHandler', function () {
       })
 
       it('should callback with error', function (done) {
-        this.handler.setBrandVariationId(project_id, '123', err => {
+        this.handler.setBrandVariationId(projectId, '123', err => {
           err.should.equal('error')
           done()
         })
@@ -207,9 +206,9 @@ describe('ProjectOptionsHandler', function () {
 
   describe('unsetting the brandVariationId', function () {
     it('should perform and update on mongo', function (done) {
-      this.handler.unsetBrandVariationId(project_id, err => {
+      this.handler.unsetBrandVariationId(projectId, err => {
         const args = this.projectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         expect(args[1]).to.deep.equal({ $unset: { brandVariationId: 1 } })
         done()
       })
@@ -221,7 +220,7 @@ describe('ProjectOptionsHandler', function () {
       })
 
       it('should callback with error', function (done) {
-        this.handler.unsetBrandVariationId(project_id, err => {
+        this.handler.unsetBrandVariationId(projectId, err => {
           err.should.equal('error')
           done()
         })
diff --git a/services/web/test/unit/src/Project/ProjectUpdateHandlerTests.js b/services/web/test/unit/src/Project/ProjectUpdateHandlerTests.js
index 5dee084886..0cc6354694 100644
--- a/services/web/test/unit/src/Project/ProjectUpdateHandlerTests.js
+++ b/services/web/test/unit/src/Project/ProjectUpdateHandlerTests.js
@@ -1,5 +1,4 @@
 /* eslint-disable
-    camelcase,
     n/handle-callback-err,
     max-len,
     no-return-assign,
@@ -83,10 +82,10 @@ describe('ProjectUpdateHandler', function () {
 
   describe('markAsOpened', function () {
     it('should send an update to mongo', function (done) {
-      const project_id = 'project_id'
-      return this.handler.markAsOpened(project_id, err => {
+      const projectId = 'project_id'
+      return this.handler.markAsOpened(projectId, err => {
         const args = this.ProjectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         const date = args[1].lastOpened + ''
         const now = Date.now() + ''
         date.substring(0, 5).should.equal(now.substring(0, 5))
@@ -97,10 +96,10 @@ describe('ProjectUpdateHandler', function () {
 
   describe('markAsInactive', function () {
     it('should send an update to mongo', function (done) {
-      const project_id = 'project_id'
-      return this.handler.markAsInactive(project_id, err => {
+      const projectId = 'project_id'
+      return this.handler.markAsInactive(projectId, err => {
         const args = this.ProjectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         args[1].active.should.equal(false)
         return done()
       })
@@ -109,10 +108,10 @@ describe('ProjectUpdateHandler', function () {
 
   describe('markAsActive', function () {
     it('should send an update to mongo', function (done) {
-      const project_id = 'project_id'
-      return this.handler.markAsActive(project_id, err => {
+      const projectId = 'project_id'
+      return this.handler.markAsActive(projectId, err => {
         const args = this.ProjectModel.updateOne.args[0]
-        args[0]._id.should.equal(project_id)
+        args[0]._id.should.equal(projectId)
         args[1].active.should.equal(true)
         return done()
       })