diff --git a/backend/.eslintrc.cjs b/backend/.eslintrc.cjs
index cff4c1de1..37d4dda26 100644
--- a/backend/.eslintrc.cjs
+++ b/backend/.eslintrc.cjs
@@ -16,6 +16,7 @@ module.exports = {
     'plugin:promise/recommended',
     'plugin:security/recommended-legacy',
     'plugin:@eslint-community/eslint-comments/recommended',
+    'prettier',
   ],
   settings: {
     'import/parsers': {
@@ -178,9 +179,10 @@ module.exports = {
     {
       files: ['*.ts', '*.tsx'],
       extends: [
-        // 'plugin:@typescript-eslint/recommended',
+        'plugin:@typescript-eslint/recommended',
         // 'plugin:@typescript-eslint/recommended-requiring-type-checking',
         // 'plugin:@typescript-eslint/strict',
+        'prettier',
       ],
       rules: {
         // allow explicitly defined dangling promises
@@ -192,6 +194,11 @@ module.exports = {
         'import/unambiguous': 'off',
         // this is not compatible with typeorm, due to joined tables can be null, but are not defined as nullable
         '@typescript-eslint/no-unnecessary-condition': 'off',
+        // respect underscore as acceptable unused variable
+        '@typescript-eslint/no-unused-vars': [
+          'error',
+          { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+        ],
       },
       parserOptions: {
         tsconfigRootDir: __dirname,
diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 328bbbd61..db6b21460 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -19,6 +19,7 @@ if (require.resolve) {
 }
 
 // Use Cypress env or process.env
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 declare let Cypress: any | undefined
 const env = typeof Cypress !== 'undefined' ? Cypress.env() : process.env // eslint-disable-line no-undef
 
diff --git a/backend/src/db/compiler.ts b/backend/src/db/compiler.ts
index 2d897762f..26bf5a1e2 100644
--- a/backend/src/db/compiler.ts
+++ b/backend/src/db/compiler.ts
@@ -1,5 +1,5 @@
 /* eslint-disable import/no-commonjs */
-// eslint-disable-next-line n/no-unpublished-require
+// eslint-disable-next-line n/no-unpublished-require, @typescript-eslint/no-var-requires
 const tsNode = require('ts-node')
 // eslint-disable-next-line import/no-unassigned-import, import/no-extraneous-dependencies, n/no-unpublished-require
 require('tsconfig-paths/register')
diff --git a/backend/src/db/factories.ts b/backend/src/db/factories.ts
index 136f0fe50..1ce8a3329 100644
--- a/backend/src/db/factories.ts
+++ b/backend/src/db/factories.ts
@@ -40,14 +40,14 @@ Factory.define('category')
   .attr('id', uuid)
   .attr('icon', 'globe')
   .attr('name', 'Global Peace & Nonviolence')
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('Category', buildObject)
   })
 
 Factory.define('badge')
   .attr('type', 'crowdfunding')
   .attr('status', 'permanent')
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('Badge', buildObject)
   })
 
@@ -56,7 +56,7 @@ Factory.define('image')
   .attr('aspectRatio', 1.3333333333333333)
   .attr('alt', faker.lorem.sentence)
   .attr('type', 'image/jpeg')
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     const { url: imageUrl } = buildObject
     if (imageUrl) buildObject.url = uniqueImageUrl(imageUrl)
     return neode.create('Image', buildObject)
@@ -85,21 +85,21 @@ Factory.define('basicUser')
 Factory.define('userWithoutEmailAddress')
   .extend('basicUser')
   .option('about', faker.lorem.paragraph)
-  .after(async (buildObject, options) => {
+  .after(async (buildObject, _options) => {
     return neode.create('User', buildObject)
   })
 
 Factory.define('userWithAboutNull')
   .extend('basicUser')
   .option('about', null)
-  .after(async (buildObject, options) => {
+  .after(async (buildObject, _options) => {
     return neode.create('User', buildObject)
   })
 
 Factory.define('userWithAboutEmpty')
   .extend('basicUser')
   .option('about', '')
-  .after(async (buildObject, options) => {
+  .after(async (buildObject, _options) => {
     return neode.create('User', buildObject)
   })
 
@@ -224,7 +224,7 @@ Factory.define('donations')
   .attr('showDonations', true)
   .attr('goal', 15000)
   .attr('progress', 7000)
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('Donations', buildObject)
   })
 
@@ -235,13 +235,13 @@ const emailDefaults = {
 
 Factory.define('emailAddress')
   .attrs(emailDefaults)
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('EmailAddress', buildObject)
   })
 
 Factory.define('unverifiedEmailAddress')
   .attr(emailDefaults)
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('UnverifiedEmailAddress', buildObject)
   })
 
@@ -281,11 +281,11 @@ Factory.define('location')
     id: 'country.10743216036480410',
     type: 'country',
   })
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('Location', buildObject)
   })
 
-Factory.define('report').after((buildObject, options) => {
+Factory.define('report').after((buildObject, _options) => {
   return neode.create('Report', buildObject)
 })
 
@@ -293,7 +293,7 @@ Factory.define('tag')
   .attrs({
     name: '#human-connection',
   })
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('Tag', buildObject)
   })
 
@@ -301,7 +301,7 @@ Factory.define('socialMedia')
   .attrs({
     url: 'https://mastodon.social/@Gargron',
   })
-  .after((buildObject, options) => {
+  .after((buildObject, _options) => {
     return neode.create('SocialMedia', buildObject)
   })
 
diff --git a/backend/src/db/migrate/template.ts b/backend/src/db/migrate/template.ts
index 569f274bf..6ce151e76 100644
--- a/backend/src/db/migrate/template.ts
+++ b/backend/src/db/migrate/template.ts
@@ -2,7 +2,7 @@ import { getDriver } from '@db/neo4j'
 
 export const description = ''
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -23,7 +23,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations-examples/20200123150105-merge_duplicate_user_accounts.ts b/backend/src/db/migrations-examples/20200123150105-merge_duplicate_user_accounts.ts
index df4cec41e..45bdc4fe0 100644
--- a/backend/src/db/migrations-examples/20200123150105-merge_duplicate_user_accounts.ts
+++ b/backend/src/db/migrations-examples/20200123150105-merge_duplicate_user_accounts.ts
@@ -21,12 +21,14 @@ export function up(next) {
   rxSession
     .beginTransaction()
     .pipe(
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       flatMap((txc: any) =>
         concat(
           txc
             .run('MATCH (email:EmailAddress) RETURN email {.email}')
             .records()
             .pipe(
+              // eslint-disable-next-line @typescript-eslint/no-explicit-any
               map((record: any) => {
                 const { email } = record.get('email')
                 const normalizedEmail = normalizeEmail(email)
@@ -48,6 +50,7 @@ export function up(next) {
                   )
                   .records()
                   .pipe(
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
                     map((r: any) => ({
                       oldEmail: email,
                       email: r.get('email'),
@@ -61,7 +64,7 @@ export function up(next) {
       ),
     )
     .subscribe({
-      next: ({ user, email, oldUser, oldEmail }) =>
+      next: ({ user, email, _oldUser, oldEmail }) =>
         // eslint-disable-next-line no-console
         console.log(`
           Merged:
diff --git a/backend/src/db/migrations-examples/20200123150110-merge_duplicate_location_nodes.ts b/backend/src/db/migrations-examples/20200123150110-merge_duplicate_location_nodes.ts
index 89cef62fc..6aee51c83 100644
--- a/backend/src/db/migrations-examples/20200123150110-merge_duplicate_location_nodes.ts
+++ b/backend/src/db/migrations-examples/20200123150110-merge_duplicate_location_nodes.ts
@@ -15,6 +15,7 @@ export function up(next) {
   rxSession
     .beginTransaction()
     .pipe(
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       flatMap((transaction: any) =>
         concat(
           transaction
@@ -26,6 +27,7 @@ export function up(next) {
             )
             .records()
             .pipe(
+              // eslint-disable-next-line @typescript-eslint/no-explicit-any
               map((record: any) => {
                 const { id: locationId } = record.get('location')
                 return { locationId }
@@ -43,6 +45,7 @@ export function up(next) {
                   )
                   .records()
                   .pipe(
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
                     map((record: any) => ({
                       location: record.get('location'),
                       updatedLocation: record.get('updatedLocation'),
diff --git a/backend/src/db/migrations-examples/20200127110135-create_muted_relationship_between_existing_blocked_relationships.ts b/backend/src/db/migrations-examples/20200127110135-create_muted_relationship_between_existing_blocked_relationships.ts
index 4743ff175..f24bbdee8 100644
--- a/backend/src/db/migrations-examples/20200127110135-create_muted_relationship_between_existing_blocked_relationships.ts
+++ b/backend/src/db/migrations-examples/20200127110135-create_muted_relationship_between_existing_blocked_relationships.ts
@@ -8,7 +8,7 @@ export const description = `
   A blocked user will still be able to see your contributions, but will not be able to interact with them and vice versa.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/1613589876420-null_mutation.ts b/backend/src/db/migrations/1613589876420-null_mutation.ts
index ddd5bb14b..daeba5dca 100644
--- a/backend/src/db/migrations/1613589876420-null_mutation.ts
+++ b/backend/src/db/migrations/1613589876420-null_mutation.ts
@@ -1,5 +1,6 @@
+/* eslint-disable @typescript-eslint/no-empty-function */
 'use strict'
 
-export async function up(next) {}
+export async function up(_next) {}
 
-export async function down(next) {}
+export async function down(_next) {}
diff --git a/backend/src/db/migrations/1614023644903-add-clickedCount-to-posts.ts b/backend/src/db/migrations/1614023644903-add-clickedCount-to-posts.ts
index 25b0addaf..65fb33a68 100644
--- a/backend/src/db/migrations/1614023644903-add-clickedCount-to-posts.ts
+++ b/backend/src/db/migrations/1614023644903-add-clickedCount-to-posts.ts
@@ -4,7 +4,7 @@ export const description = `
 This migration adds the clickedCount property to all posts, setting it to 0.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -27,7 +27,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/1614177130817-add-viewedTeaserCount-to-posts.ts b/backend/src/db/migrations/1614177130817-add-viewedTeaserCount-to-posts.ts
index 8073d8e22..f4fd7cda4 100644
--- a/backend/src/db/migrations/1614177130817-add-viewedTeaserCount-to-posts.ts
+++ b/backend/src/db/migrations/1614177130817-add-viewedTeaserCount-to-posts.ts
@@ -4,7 +4,7 @@ export const description = `
 This migration adds the viewedTeaserCount property to all posts, setting it to 0.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -27,7 +27,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20210506150512-add-donations-node.ts b/backend/src/db/migrations/20210506150512-add-donations-node.ts
index 073d4f348..fcb4d816c 100644
--- a/backend/src/db/migrations/20210506150512-add-donations-node.ts
+++ b/backend/src/db/migrations/20210506150512-add-donations-node.ts
@@ -5,7 +5,7 @@ import { getDriver } from '@db/neo4j'
 export const description =
   'This migration adds a Donations node with default settings to the database.'
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -39,7 +39,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20210923140939-add-sendNotificationEmails-property-to-all-users.ts b/backend/src/db/migrations/20210923140939-add-sendNotificationEmails-property-to-all-users.ts
index be0eb8dd6..804d12097 100644
--- a/backend/src/db/migrations/20210923140939-add-sendNotificationEmails-property-to-all-users.ts
+++ b/backend/src/db/migrations/20210923140939-add-sendNotificationEmails-property-to-all-users.ts
@@ -2,7 +2,7 @@ import { getDriver } from '@db/neo4j'
 
 export const description = ''
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -29,7 +29,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.ts b/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.ts
index a3f220429..815c695e9 100644
--- a/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.ts
+++ b/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.ts
@@ -5,7 +5,7 @@ export const description = `
   Additional we like to have fulltext indices the keys 'name', 'slug', 'about', and 'description'.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -38,7 +38,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20230320130345-fulltext-search-indexes.ts b/backend/src/db/migrations/20230320130345-fulltext-search-indexes.ts
index af5cf2d8c..706e952c0 100644
--- a/backend/src/db/migrations/20230320130345-fulltext-search-indexes.ts
+++ b/backend/src/db/migrations/20230320130345-fulltext-search-indexes.ts
@@ -2,7 +2,7 @@ import { getDriver } from '@db/neo4j'
 
 export const description = ''
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -46,7 +46,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20230329150329-article-label-for-posts.ts b/backend/src/db/migrations/20230329150329-article-label-for-posts.ts
index 9f211e60e..d11935833 100644
--- a/backend/src/db/migrations/20230329150329-article-label-for-posts.ts
+++ b/backend/src/db/migrations/20230329150329-article-label-for-posts.ts
@@ -2,7 +2,7 @@ import { getDriver } from '@db/neo4j'
 
 export const description = 'Add to all existing posts the Article label'
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -26,7 +26,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20230608130637-add-postType-property.ts b/backend/src/db/migrations/20230608130637-add-postType-property.ts
index 02101b620..c9941f713 100644
--- a/backend/src/db/migrations/20230608130637-add-postType-property.ts
+++ b/backend/src/db/migrations/20230608130637-add-postType-property.ts
@@ -2,7 +2,7 @@ import { getDriver } from '@db/neo4j'
 
 export const description = 'Add postType property Article to all posts'
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -26,7 +26,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20231017141022-fix-event-dates.ts b/backend/src/db/migrations/20231017141022-fix-event-dates.ts
index 1e80dfff4..4e9764f63 100644
--- a/backend/src/db/migrations/20231017141022-fix-event-dates.ts
+++ b/backend/src/db/migrations/20231017141022-fix-event-dates.ts
@@ -5,7 +5,7 @@ Transform event start and end date of format 'YYYY-MM-DD HH:MM:SS' in CEST
 to ISOString in UTC.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -46,7 +46,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20250331130323-author-observes-own-post.ts b/backend/src/db/migrations/20250331130323-author-observes-own-post.ts
index a32539f40..700f69a64 100644
--- a/backend/src/db/migrations/20250331130323-author-observes-own-post.ts
+++ b/backend/src/db/migrations/20250331130323-author-observes-own-post.ts
@@ -4,7 +4,7 @@ export const description = `
 All authors observe their posts.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -33,7 +33,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20250331140313-commenter-observes-post.ts b/backend/src/db/migrations/20250331140313-commenter-observes-post.ts
index be55a6b64..6cd97f4f2 100644
--- a/backend/src/db/migrations/20250331140313-commenter-observes-post.ts
+++ b/backend/src/db/migrations/20250331140313-commenter-observes-post.ts
@@ -4,7 +4,7 @@ export const description = `
 All users commenting a post observe the post.
 `
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -33,7 +33,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/migrations/20250405030454-email-notification-settings.ts b/backend/src/db/migrations/20250405030454-email-notification-settings.ts
index abe9c658d..2030aea0f 100644
--- a/backend/src/db/migrations/20250405030454-email-notification-settings.ts
+++ b/backend/src/db/migrations/20250405030454-email-notification-settings.ts
@@ -3,7 +3,7 @@ import { getDriver } from '@db/neo4j'
 export const description =
   'Transforms the `sendNotificationEmails` property on User to a multi value system'
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -34,7 +34,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -53,7 +53,6 @@ export async function down(next) {
       REMOVE user.emailNotificationsGroupMemberRoleChanged
     `)
     await transaction.commit()
-    next()
   } catch (error) {
     // eslint-disable-next-line no-console
     console.log(error)
diff --git a/backend/src/db/migrations/20250414220436-delete-old-badges.ts b/backend/src/db/migrations/20250414220436-delete-old-badges.ts
index db3a53d33..ce37590e8 100644
--- a/backend/src/db/migrations/20250414220436-delete-old-badges.ts
+++ b/backend/src/db/migrations/20250414220436-delete-old-badges.ts
@@ -2,7 +2,7 @@ import { getDriver } from '@db/neo4j'
 
 export const description = ''
 
-export async function up(next) {
+export async function up(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
@@ -26,7 +26,7 @@ export async function up(next) {
   }
 }
 
-export async function down(next) {
+export async function down(_next) {
   const driver = getDriver()
   const session = driver.session()
   const transaction = session.beginTransaction()
diff --git a/backend/src/db/seed.ts b/backend/src/db/seed.ts
index 5f918235e..a1dc25b11 100644
--- a/backend/src/db/seed.ts
+++ b/backend/src/db/seed.ts
@@ -911,6 +911,7 @@ const languages = ['de', 'en', 'es', 'fr', 'it', 'pt', 'pl']
 
     authenticatedUser = null
 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const comments: any[] = []
     comments.push(
       await Factory.build(
@@ -1085,6 +1086,7 @@ const languages = ['de', 'en', 'es', 'fr', 'it', 'pt', 'pl']
     await huey.relateTo(p9, 'shouted')
     await louie.relateTo(p10, 'shouted')
 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const reports: any[] = []
     reports.push(
       await Factory.build('report'),
@@ -1192,6 +1194,7 @@ const languages = ['de', 'en', 'es', 'fr', 'it', 'pt', 'pl']
       closed: true,
     })
 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const additionalUsers: any[] = []
     for (let i = 0; i < 30; i++) {
       const user = await Factory.build('user')
diff --git a/backend/src/middleware/hashtags/extractHashtags.ts b/backend/src/middleware/hashtags/extractHashtags.ts
index fc7a93d17..908bb3080 100644
--- a/backend/src/middleware/hashtags/extractHashtags.ts
+++ b/backend/src/middleware/hashtags/extractHashtags.ts
@@ -19,6 +19,7 @@ export default function (content?) {
       return $(el).attr('data-hashtag-id')
     })
     .get()
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const hashtags: any = []
   ids.forEach((id) => {
     const match = exec(id, regX)
diff --git a/backend/src/middleware/helpers/email/sendMail.ts b/backend/src/middleware/helpers/email/sendMail.ts
index 46d808742..b8c5cfb00 100644
--- a/backend/src/middleware/helpers/email/sendMail.ts
+++ b/backend/src/middleware/helpers/email/sendMail.ts
@@ -28,6 +28,7 @@ const transporter = nodemailer.createTransport({
   },
 })
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-empty-function
 let sendMailCallback: any = async () => {}
 if (!hasEmailConfig) {
   if (!CONFIG.TEST) {
@@ -51,6 +52,7 @@ if (!hasEmailConfig) {
         cleanHtml(templateArgs.html, 'dummyKey', {
           allowedTags: ['a'],
           allowedAttributes: { a: ['href'] },
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
         } as any).replace(/&amp;/g, '&'),
       )
     }
diff --git a/backend/src/middleware/permissionsMiddleware.ts b/backend/src/middleware/permissionsMiddleware.ts
index aa48d9d10..5ba9c8e4c 100644
--- a/backend/src/middleware/permissionsMiddleware.ts
+++ b/backend/src/middleware/permissionsMiddleware.ts
@@ -15,23 +15,23 @@ const isAuthenticated = rule({
   return !!(ctx && ctx.user && ctx.user.id)
 })
 
-const isModerator = rule()(async (parent, args, { user }, info) => {
+const isModerator = rule()(async (_parent, _args, { user }, _info) => {
   return user && (user.role === 'moderator' || user.role === 'admin')
 })
 
-const isAdmin = rule()(async (parent, args, { user }, info) => {
+const isAdmin = rule()(async (_parent, _args, { user }, _info) => {
   return user && user.role === 'admin'
 })
 
 const onlyYourself = rule({
   cache: 'no_cache',
-})(async (parent, args, context, info) => {
+})(async (_parent, args, context, _info) => {
   return context.user.id === args.id
 })
 
 const isMyOwn = rule({
   cache: 'no_cache',
-})(async (parent, args, { user }, info) => {
+})(async (parent, _args, { user }, _info) => {
   return user && user.id === parent.id
 })
 
@@ -350,7 +350,7 @@ const isAuthor = rule({
 
 const isDeletingOwnAccount = rule({
   cache: 'no_cache',
-})(async (parent, args, context, _info) => {
+})(async (_parent, args, context, _info) => {
   return context.user.id === args.id
 })
 
@@ -362,7 +362,7 @@ const noEmailFilter = rule({
 
 const publicRegistration = rule()(() => CONFIG.PUBLIC_REGISTRATION)
 
-const inviteRegistration = rule()(async (_parent, args, { user, driver }) => {
+const inviteRegistration = rule()(async (_parent, args, { _user, driver }) => {
   if (!CONFIG.INVITE_REGISTRATION) return false
   const { inviteCode } = args
   const session = driver.session()
diff --git a/backend/src/middleware/sentryMiddleware.ts b/backend/src/middleware/sentryMiddleware.ts
index b77f680d6..dab0c8353 100644
--- a/backend/src/middleware/sentryMiddleware.ts
+++ b/backend/src/middleware/sentryMiddleware.ts
@@ -2,7 +2,7 @@ import { sentry } from 'graphql-middleware-sentry'
 
 import CONFIG from '@config/index'
 
-// eslint-disable-next-line import/no-mutable-exports
+// eslint-disable-next-line import/no-mutable-exports, @typescript-eslint/no-explicit-any
 let sentryMiddleware: any = (resolve, root, args, context, resolveInfo) =>
   resolve(root, args, context, resolveInfo)
 
@@ -14,6 +14,7 @@ if (CONFIG.SENTRY_DSN_BACKEND) {
       release: CONFIG.COMMIT,
       environment: CONFIG.NODE_ENV,
     },
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     withScope: (scope, error, context: any) => {
       scope.setUser({
         id: context.user && context.user.id,
diff --git a/backend/src/models/index.ts b/backend/src/models/index.ts
index e02cbc242..74917e77e 100644
--- a/backend/src/models/index.ts
+++ b/backend/src/models/index.ts
@@ -1,7 +1,9 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 /* eslint-disable n/no-missing-require */
 /* eslint-disable n/global-require */
 // NOTE: We cannot use `fs` here to clean up the code. Cypress breaks on any npm
 // module that is not browser-compatible. Node's `fs` module is server-side only
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 declare let Cypress: any | undefined
 export default {
   Image: typeof Cypress !== 'undefined' ? require('./Image') : require('./Image').default,
diff --git a/backend/src/schema/resolvers/comments.ts b/backend/src/schema/resolvers/comments.ts
index 897c71d6f..4072f470c 100644
--- a/backend/src/schema/resolvers/comments.ts
+++ b/backend/src/schema/resolvers/comments.ts
@@ -4,7 +4,7 @@ import Resolver from './helpers/Resolver'
 
 export default {
   Mutation: {
-    CreateComment: async (object, params, context, resolveInfo) => {
+    CreateComment: async (_object, params, context, _resolveInfo) => {
       const { postId } = params
       const { user, driver } = context
       // Adding relationship from comment to post by passing in the postId,
diff --git a/backend/src/schema/resolvers/embeds.spec.ts b/backend/src/schema/resolvers/embeds.spec.ts
index 92dd224e3..7a49986cf 100644
--- a/backend/src/schema/resolvers/embeds.spec.ts
+++ b/backend/src/schema/resolvers/embeds.spec.ts
@@ -55,6 +55,7 @@ describe('Query', () => {
     beforeEach(() => {
       embedAction = async (variables) => {
         const { server } = createServer({
+          // eslint-disable-next-line @typescript-eslint/no-empty-function
           context: () => {},
         })
         const { query } = createTestClient(server)
diff --git a/backend/src/schema/resolvers/embeds.ts b/backend/src/schema/resolvers/embeds.ts
index a75365ec7..a4368a42f 100644
--- a/backend/src/schema/resolvers/embeds.ts
+++ b/backend/src/schema/resolvers/embeds.ts
@@ -3,7 +3,7 @@ import { undefinedToNullResolver } from './helpers/Resolver'
 
 export default {
   Query: {
-    embed: async (object, { url }, context, resolveInfo) => {
+    embed: async (_object, { url }, _context, _resolveInfo) => {
       return scrape(url)
     },
   },
@@ -22,7 +22,7 @@ export default {
       'lang',
       'html',
     ]),
-    sources: async (parent, params, context, resolveInfo) => {
+    sources: async (parent, _params, _context, _resolveInfo) => {
       return typeof parent.sources === 'undefined' ? [] : parent.sources
     },
   },
diff --git a/backend/src/schema/resolvers/embeds/scraper.ts b/backend/src/schema/resolvers/embeds/scraper.ts
index e4e19e6b9..1942917bf 100644
--- a/backend/src/schema/resolvers/embeds/scraper.ts
+++ b/backend/src/schema/resolvers/embeds/scraper.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 /* eslint-disable n/no-extraneous-require */
 /* eslint-disable n/global-require */
 /* eslint-disable import/no-commonjs */
diff --git a/backend/src/schema/resolvers/groups.spec.ts b/backend/src/schema/resolvers/groups.spec.ts
index 624b09e39..d9d060fea 100644
--- a/backend/src/schema/resolvers/groups.spec.ts
+++ b/backend/src/schema/resolvers/groups.spec.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-non-null-assertion */
 import { createTestClient } from 'apollo-server-testing'
 
 import CONFIG from '@config/index'
diff --git a/backend/src/schema/resolvers/helpers/Resolver.ts b/backend/src/schema/resolvers/helpers/Resolver.ts
index a21893f7d..8119614df 100644
--- a/backend/src/schema/resolvers/helpers/Resolver.ts
+++ b/backend/src/schema/resolvers/helpers/Resolver.ts
@@ -11,6 +11,7 @@ export const undefinedToNullResolver = (list) => {
   return resolvers
 }
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export default function Resolver(type, options: any = {}) {
   const {
     idAttribute = 'id',
@@ -21,8 +22,8 @@ export default function Resolver(type, options: any = {}) {
     hasMany = {},
   } = options
 
-  const _hasResolver = (resolvers, { key, connection }, { returnType }) => {
-    return async (parent, params, { driver, cypherParams }, resolveInfo) => {
+  const _hasResolver = (_resolvers, { key, connection }, { returnType }) => {
+    return async (parent, _params, { driver, cypherParams }, _resolveInfo) => {
       if (typeof parent[key] !== 'undefined') return parent[key]
       const id = parent[idAttribute]
       const session = driver.session()
@@ -45,10 +46,11 @@ export default function Resolver(type, options: any = {}) {
     }
   }
 
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const booleanResolver = (obj: any[]) => {
     const resolvers = {}
     for (const [key, condition] of Object.entries(obj)) {
-      resolvers[key] = async (parent, params, { cypherParams, driver }, resolveInfo) => {
+      resolvers[key] = async (parent, _params, { cypherParams, driver }, _resolveInfo) => {
         if (typeof parent[key] !== 'undefined') return parent[key]
         const id = parent[idAttribute]
         const session = driver.session()
@@ -73,7 +75,7 @@ export default function Resolver(type, options: any = {}) {
   const countResolver = (obj) => {
     const resolvers = {}
     for (const [key, connection] of Object.entries(obj)) {
-      resolvers[key] = async (parent, params, { driver, cypherParams }, resolveInfo) => {
+      resolvers[key] = async (parent, _params, { driver, cypherParams }, _resolveInfo) => {
         if (typeof parent[key] !== 'undefined') return parent[key]
         const session = driver.session()
         const readTxResultPromise = session.readTransaction(async (txc) => {
diff --git a/backend/src/schema/resolvers/images/images.ts b/backend/src/schema/resolvers/images/images.ts
index 46eb453c5..b7d6f3110 100644
--- a/backend/src/schema/resolvers/images/images.ts
+++ b/backend/src/schema/resolvers/images/images.ts
@@ -14,6 +14,7 @@ import { getDriver } from '@db/neo4j'
 // const widths = [34, 160, 320, 640, 1024]
 const { AWS_ENDPOINT: endpoint, AWS_REGION: region, AWS_BUCKET: Bucket, S3_CONFIGURED } = CONFIG
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export async function deleteImage(resource, relationshipType, opts: any = {}) {
   sanitizeRelationshipType(relationshipType)
   const { transaction, deleteCallback } = opts
@@ -36,6 +37,7 @@ export async function deleteImage(resource, relationshipType, opts: any = {}) {
   return image
 }
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export async function mergeImage(resource, relationshipType, imageInput, opts: any = {}) {
   if (typeof imageInput === 'undefined') return
   if (imageInput === null) return deleteImage(resource, relationshipType, opts)
diff --git a/backend/src/schema/resolvers/locations.ts b/backend/src/schema/resolvers/locations.ts
index fcc2fa0aa..5c2f67e20 100644
--- a/backend/src/schema/resolvers/locations.ts
+++ b/backend/src/schema/resolvers/locations.ts
@@ -20,7 +20,7 @@ export default {
     }),
   },
   Query: {
-    queryLocations: async (object, args, context, resolveInfo) => {
+    queryLocations: async (_object, args, _context, _resolveInfo) => {
       try {
         return queryLocations(args)
       } catch (e) {
diff --git a/backend/src/schema/resolvers/notifications.ts b/backend/src/schema/resolvers/notifications.ts
index 5dbbe3d40..c93655ae3 100644
--- a/backend/src/schema/resolvers/notifications.ts
+++ b/backend/src/schema/resolvers/notifications.ts
@@ -82,7 +82,7 @@ export default {
     },
   },
   Mutation: {
-    markAsRead: async (parent, args, context, resolveInfo) => {
+    markAsRead: async (_parent, args, context, _resolveInfo) => {
       const { user: currentUser } = context
       const session = context.driver.session()
       const writeTxResultPromise = session.writeTransaction(async (transaction) => {
@@ -112,7 +112,7 @@ export default {
         session.close()
       }
     },
-    markAllAsRead: async (parent, args, context, resolveInfo) => {
+    markAllAsRead: async (parent, args, context, _resolveInfo) => {
       const { user: currentUser } = context
       const session = context.driver.session()
       const writeTxResultPromise = session.writeTransaction(async (transaction) => {
diff --git a/backend/src/schema/resolvers/passwordReset.spec.ts b/backend/src/schema/resolvers/passwordReset.spec.ts
index b5c7e10dd..e88a1e503 100644
--- a/backend/src/schema/resolvers/passwordReset.spec.ts
+++ b/backend/src/schema/resolvers/passwordReset.spec.ts
@@ -121,6 +121,7 @@ describe('passwordReset', () => {
 })
 
 describe('resetPassword', () => {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const setup = async (options: any = {}) => {
     const { email = 'user@example.org', issuedAt = new Date(), nonce = '12345' } = options
     await createPasswordReset({ driver, email, issuedAt, nonce })
diff --git a/backend/src/schema/resolvers/posts.ts b/backend/src/schema/resolvers/posts.ts
index cb48d78ea..c7d3a1b14 100644
--- a/backend/src/schema/resolvers/posts.ts
+++ b/backend/src/schema/resolvers/posts.ts
@@ -48,7 +48,7 @@ export default {
       params = await filterForMutedUsers(params, context)
       return neo4jgraphql(object, params, context, resolveInfo)
     },
-    PostsEmotionsCountByEmotion: async (object, params, context, resolveInfo) => {
+    PostsEmotionsCountByEmotion: async (_object, params, context, _resolveInfo) => {
       const { postId, data } = params
       const session = context.driver.session()
       const readTxResultPromise = session.readTransaction(async (transaction) => {
@@ -70,7 +70,7 @@ export default {
         session.close()
       }
     },
-    PostsEmotionsByCurrentUser: async (object, params, context, resolveInfo) => {
+    PostsEmotionsByCurrentUser: async (_object, params, context, _resolveInfo) => {
       const { postId } = params
       const session = context.driver.session()
       const readTxResultPromise = session.readTransaction(async (transaction) => {
@@ -242,7 +242,7 @@ export default {
       }
     },
 
-    DeletePost: async (object, args, context, resolveInfo) => {
+    DeletePost: async (_object, args, context, _resolveInfo) => {
       const session = context.driver.session()
       const writeTxResultPromise = session.writeTransaction(async (transaction) => {
         const deletePostTransactionResponse = await transaction.run(
@@ -269,7 +269,7 @@ export default {
         session.close()
       }
     },
-    AddPostEmotions: async (object, params, context, resolveInfo) => {
+    AddPostEmotions: async (_object, params, context, _resolveInfo) => {
       const { to, data } = params
       const { user } = context
       const session = context.driver.session()
@@ -296,7 +296,7 @@ export default {
         session.close()
       }
     },
-    RemovePostEmotions: async (object, params, context, resolveInfo) => {
+    RemovePostEmotions: async (_object, params, context, _resolveInfo) => {
       const { to, data } = params
       const { id: from } = context.user
       const session = context.driver.session()
@@ -499,7 +499,7 @@ export default {
           'MATCH (this)<-[obs:OBSERVES]-(related:User {id: $cypherParams.currentUserId}) WHERE obs.active = true RETURN COUNT(related) >= 1',
       },
     }),
-    relatedContributions: async (parent, params, context, resolveInfo) => {
+    relatedContributions: async (parent, _params, context, _resolveInfo) => {
       if (typeof parent.relatedContributions !== 'undefined') return parent.relatedContributions
       const { id } = parent
       const session = context.driver.session()
diff --git a/backend/src/schema/resolvers/roles.ts b/backend/src/schema/resolvers/roles.ts
index be9861e08..fba57c35a 100644
--- a/backend/src/schema/resolvers/roles.ts
+++ b/backend/src/schema/resolvers/roles.ts
@@ -1,6 +1,6 @@
 export default {
   Query: {
-    availableRoles: async (_parent, args, context, _resolveInfo) => {
+    availableRoles: async (_parent, _args, _context, _resolveInfo) => {
       return ['admin', 'moderator', 'user']
     },
   },
diff --git a/backend/src/schema/resolvers/rooms.spec.ts b/backend/src/schema/resolvers/rooms.spec.ts
index 2025681ad..25fb72214 100644
--- a/backend/src/schema/resolvers/rooms.spec.ts
+++ b/backend/src/schema/resolvers/rooms.spec.ts
@@ -586,6 +586,7 @@ describe('Room', () => {
   })
 
   describe('query single room', () => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     let result: any = null
 
     beforeAll(async () => {
diff --git a/backend/src/schema/resolvers/rooms.ts b/backend/src/schema/resolvers/rooms.ts
index 1bfa354e9..7b87e9007 100644
--- a/backend/src/schema/resolvers/rooms.ts
+++ b/backend/src/schema/resolvers/rooms.ts
@@ -39,7 +39,7 @@ export default {
       }
       return neo4jgraphql(object, params, context, resolveInfo)
     },
-    UnreadRooms: async (object, params, context, resolveInfo) => {
+    UnreadRooms: async (_object, _params, context, _resolveInfo) => {
       const {
         user: { id: currentUserId },
       } = context
diff --git a/backend/src/schema/resolvers/searches.ts b/backend/src/schema/resolvers/searches.ts
index 5f4097c17..711166d5e 100644
--- a/backend/src/schema/resolvers/searches.ts
+++ b/backend/src/schema/resolvers/searches.ts
@@ -250,6 +250,7 @@ export default {
         ]
 
       params.limit = 15
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const type: any = multiSearchMap.find((obj) => obj.symbol === searchType)
       return getSearchResults(context, type.setup, params)
     },
diff --git a/backend/src/schema/resolvers/socialMedia.ts b/backend/src/schema/resolvers/socialMedia.ts
index ac27eb1f9..53877e431 100644
--- a/backend/src/schema/resolvers/socialMedia.ts
+++ b/backend/src/schema/resolvers/socialMedia.ts
@@ -6,7 +6,7 @@ const neode = getNeode()
 
 export default {
   Mutation: {
-    CreateSocialMedia: async (object, params, context, resolveInfo) => {
+    CreateSocialMedia: async (_object, params, context, _resolveInfo) => {
       const [user, socialMedia] = await Promise.all([
         neode.find('User', context.user.id),
         neode.create('SocialMedia', params),
@@ -16,14 +16,14 @@ export default {
 
       return response
     },
-    UpdateSocialMedia: async (object, params, context, resolveInfo) => {
+    UpdateSocialMedia: async (_object, params, _context, _resolveInfo) => {
       const socialMedia = await neode.find('SocialMedia', params.id)
       await socialMedia.update({ url: params.url })
       const response = await socialMedia.toJson()
 
       return response
     },
-    DeleteSocialMedia: async (object, { id }, context, resolveInfo) => {
+    DeleteSocialMedia: async (_object, { id }, _context, _resolveInfo) => {
       const socialMedia = await neode.find('SocialMedia', id)
       if (!socialMedia) return null
       await socialMedia.delete()
diff --git a/backend/src/schema/resolvers/statistics.ts b/backend/src/schema/resolvers/statistics.ts
index 6bf73b0b2..6bdd7ac5e 100644
--- a/backend/src/schema/resolvers/statistics.ts
+++ b/backend/src/schema/resolvers/statistics.ts
@@ -5,6 +5,7 @@ export default {
   Query: {
     statistics: async (_parent, _args, { driver }) => {
       const session = driver.session()
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const counts: any = {}
       try {
         const mapping = {
diff --git a/backend/src/schema/resolvers/userData.ts b/backend/src/schema/resolvers/userData.ts
index 3cd5f1c01..5c892b7ab 100644
--- a/backend/src/schema/resolvers/userData.ts
+++ b/backend/src/schema/resolvers/userData.ts
@@ -1,6 +1,6 @@
 export default {
   Query: {
-    userData: async (object, args, context, resolveInfo) => {
+    userData: async (_object, _args, context, _resolveInfo) => {
       const id = context.user.id
       const cypher = `
         MATCH (user:User { id: $id })
diff --git a/backend/src/schema/resolvers/user_management.ts b/backend/src/schema/resolvers/user_management.ts
index e9376f940..70b4f6520 100644
--- a/backend/src/schema/resolvers/user_management.ts
+++ b/backend/src/schema/resolvers/user_management.ts
@@ -16,7 +16,7 @@ export default {
       neo4jgraphql(object, { id: context.user.id }, context, resolveInfo),
   },
   Mutation: {
-    login: async (_, { email, password }, { driver, req, user }) => {
+    login: async (_, { email, password }, { driver }) => {
       // if (user && user.id) {
       //   throw new Error('Already logged in.')
       // }
@@ -51,7 +51,7 @@ export default {
         session.close()
       }
     },
-    changePassword: async (_, { oldPassword, newPassword }, { driver, user }) => {
+    changePassword: async (_, { oldPassword, newPassword }, { user }) => {
       const currentUser = await neode.find('User', user.id)
 
       const encryptedPassword = currentUser.get('encryptedPassword')
diff --git a/backend/src/schema/resolvers/users.ts b/backend/src/schema/resolvers/users.ts
index be9659558..578726dc6 100644
--- a/backend/src/schema/resolvers/users.ts
+++ b/backend/src/schema/resolvers/users.ts
@@ -43,14 +43,14 @@ export const getBlockedUsers = async (context) => {
 
 export default {
   Query: {
-    mutedUsers: async (object, args, context, resolveInfo) => {
+    mutedUsers: async (_object, _args, context, _resolveInfo) => {
       try {
         return getMutedUsers(context)
       } catch (e) {
         throw new UserInputError(e.message)
       }
     },
-    blockedUsers: async (object, args, context, resolveInfo) => {
+    blockedUsers: async (_object, _args, context, _resolveInfo) => {
       try {
         return getBlockedUsers(context)
       } catch (e) {
@@ -111,7 +111,7 @@ export default {
       const unmutedUser = await neode.find('User', params.id)
       return unmutedUser.toJson()
     },
-    blockUser: async (object, args, context, resolveInfo) => {
+    blockUser: async (_object, args, context, _resolveInfo) => {
       const { user: currentUser } = context
       if (currentUser.id === args.id) return null
 
@@ -138,7 +138,7 @@ export default {
         session.close()
       }
     },
-    unblockUser: async (object, args, context, resolveInfo) => {
+    unblockUser: async (_object, args, context, _resolveInfo) => {
       const { user: currentUser } = context
       if (currentUser.id === args.id) return null
 
@@ -216,7 +216,7 @@ export default {
         session.close()
       }
     },
-    DeleteUser: async (object, params, context, resolveInfo) => {
+    DeleteUser: async (_object, params, context, _resolveInfo) => {
       const { resource, id: userId } = params
       const session = context.driver.session()
 
@@ -283,7 +283,7 @@ export default {
         session.close()
       }
     },
-    switchUserRole: async (object, args, context, resolveInfo) => {
+    switchUserRole: async (_object, args, context, _resolveInfo) => {
       const { role, id } = args
 
       if (context.user.id === id) throw new Error('you-cannot-change-your-own-role')
@@ -308,7 +308,7 @@ export default {
         session.close()
       }
     },
-    saveCategorySettings: async (object, args, context, resolveInfo) => {
+    saveCategorySettings: async (_object, args, context, _resolveInfo) => {
       const { activeCategories } = args
       const {
         user: { id },
@@ -351,7 +351,7 @@ export default {
         session.close()
       }
     },
-    updateOnlineStatus: async (object, args, context, resolveInfo) => {
+    updateOnlineStatus: async (_object, args, context, _resolveInfo) => {
       const { status } = args
       const {
         user: { id },
@@ -451,7 +451,7 @@ export default {
     },
   },
   User: {
-    emailNotificationSettings: async (parent, params, context, resolveInfo) => {
+    emailNotificationSettings: async (parent, _params, _context, _resolveInfo) => {
       return [
         {
           type: 'post',
diff --git a/backend/src/schema/resolvers/users/location.ts b/backend/src/schema/resolvers/users/location.ts
index b663eebdf..e5ab85d75 100644
--- a/backend/src/schema/resolvers/users/location.ts
+++ b/backend/src/schema/resolvers/users/location.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable promise/avoid-new */
 /* eslint-disable promise/prefer-await-to-callbacks */
 /* eslint-disable import/no-named-as-default */
diff --git a/backend/src/schema/resolvers/users/mutedUsers.spec.ts b/backend/src/schema/resolvers/users/mutedUsers.spec.ts
index 1fda2b392..93c54625d 100644
--- a/backend/src/schema/resolvers/users/mutedUsers.spec.ts
+++ b/backend/src/schema/resolvers/users/mutedUsers.spec.ts
@@ -60,6 +60,7 @@ describe('mutedUsers', () => {
   it('throws permission error', async () => {
     const { query } = createTestClient(server)
     const result = await query({ query: mutedUserQuery })
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
     expect(result.errors![0]).toHaveProperty('message', 'Not Authorized!')
   })
 
diff --git a/backend/src/server.ts b/backend/src/server.ts
index 117e0c3b6..833313253 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable import/no-named-as-default-member */
 import http from 'node:http'
 
@@ -68,7 +69,7 @@ const createServer = (options?) => {
     context,
     schema: middleware(schema),
     subscriptions: {
-      onConnect: (connectionParams, webSocket) => {
+      onConnect: (connectionParams, _webSocket) => {
         return getContext(connectionParams)
       },
     },