diff --git a/packages/backend/src/graphql/queries/get-app-connections.ts b/packages/backend/src/graphql/queries/get-app-connections.ts
index 3b35bfcf..a845fff3 100644
--- a/packages/backend/src/graphql/queries/get-app-connections.ts
+++ b/packages/backend/src/graphql/queries/get-app-connections.ts
@@ -1,31 +1,36 @@
 import { GraphQLList, GraphQLNonNull } from 'graphql';
-import Connection from '../../models/connection';
 import App from '../../models/app';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
 import connectionType from '../types/connection';
 import availableAppsEnumType from '../types/available-apps-enum-type';
 
 type Params = {
-  key: string
-}
+  key: string;
+};
 
-const getAppConnectionsResolver = async (params: Params, req: RequestWithCurrentUser) => {
+const getAppConnectionsResolver = async (
+  params: Params,
+  req: RequestWithCurrentUser
+) => {
   const app = App.findOneByKey(params.key);
-  const connections = await Connection.query()
-    .where({ user_id: req.currentUser.id, key: params.key })
 
-  return connections.map((connection: any) => ({
+  const connections = await req.currentUser.$relatedQuery('connections').where({
+    key: params.key,
+  });
+
+  return connections.map((connection) => ({
     ...connection,
     app,
   }));
-}
+};
 
 const getAppConnections = {
   type: GraphQLList(connectionType),
   args: {
     key: { type: GraphQLNonNull(availableAppsEnumType) },
   },
-  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => getAppConnectionsResolver(params, req)
-}
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) =>
+    getAppConnectionsResolver(params, req),
+};
 
 export default getAppConnections;
diff --git a/packages/backend/src/graphql/queries/get-app.ts b/packages/backend/src/graphql/queries/get-app.ts
index 317a26a3..805411e2 100644
--- a/packages/backend/src/graphql/queries/get-app.ts
+++ b/packages/backend/src/graphql/queries/get-app.ts
@@ -2,19 +2,21 @@ import { GraphQLNonNull } from 'graphql';
 import App from '../../models/app';
 import appType from '../types/app';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
-import Connection from '../../models/connection';
 import availableAppsEnumType from '../types/available-apps-enum-type';
 
 type Params = {
-  key: string
-}
+  key: string;
+};
 
 const getAppResolver = async (params: Params, req: RequestWithCurrentUser) => {
   const app = App.findOneByKey(params.key);
 
-  if (req.currentUser?.id) {
-    const connections = await Connection.query()
-      .where({ user_id: req.currentUser.id, key: params.key });
+  if (req.currentUser) {
+    const connections = await req.currentUser
+      .$relatedQuery('connections')
+      .where({
+        key: params.key,
+      });
 
     return {
       ...app,
@@ -23,14 +25,15 @@ const getAppResolver = async (params: Params, req: RequestWithCurrentUser) => {
   }
 
   return app;
-}
+};
 
 const getApp = {
   type: appType,
   args: {
     key: { type: GraphQLNonNull(availableAppsEnumType) },
   },
-  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => getAppResolver(params, req)
-}
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) =>
+    getAppResolver(params, req),
+};
 
 export default getApp;
diff --git a/packages/backend/src/graphql/queries/get-connected-apps.ts b/packages/backend/src/graphql/queries/get-connected-apps.ts
index e0036ce1..feea647a 100644
--- a/packages/backend/src/graphql/queries/get-connected-apps.ts
+++ b/packages/backend/src/graphql/queries/get-connected-apps.ts
@@ -1,43 +1,48 @@
 import { GraphQLList, GraphQLString } from 'graphql';
-import Connection from '../../models/connection';
 import App from '../../models/app';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
 import appType from '../types/app';
 
 type Params = {
-  name: string
-}
+  name: string;
+};
 
-const getConnectedAppsResolver = async (params: Params, req: RequestWithCurrentUser) => {
-  let apps = App.findAll(params.name)
+const getConnectedAppsResolver = async (
+  params: Params,
+  req: RequestWithCurrentUser
+) => {
+  let apps = App.findAll(params.name);
 
-  const connections = await Connection.query()
+  const connections = await req.currentUser
+    .$relatedQuery('connections')
     .select('connections.key')
     .count('connections.id as count')
-    .where({ user_id: req.currentUser.id, verified: true })
-    .groupBy('connections.key')
+    .where({ verified: true })
+    .groupBy('connections.key');
 
-  const connectionKeys = connections.map(connection => connection.key)
+  const connectionKeys = connections.map((connection) => connection.key);
 
   apps = apps
     .filter((app: any) => connectionKeys.includes(app.key))
     .map((app: any) => {
-      const connection = connections
-        .find((connection: any) => connection.key === app.key)
+      const connection = connections.find(
+        (connection: any) => connection.key === app.key
+      );
 
       app.connectionCount = connection.count;
       return app;
-    })
+    });
 
   return apps;
-}
+};
 
 const getConnectedApps = {
   type: GraphQLList(appType),
   args: {
-    name: { type: GraphQLString }
+    name: { type: GraphQLString },
   },
-  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => getConnectedAppsResolver(params, req)
-}
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) =>
+    getConnectedAppsResolver(params, req),
+};
 
 export default getConnectedApps;
diff --git a/packages/backend/src/graphql/queries/get-flow.ts b/packages/backend/src/graphql/queries/get-flow.ts
index ac980d76..2efe5dc9 100644
--- a/packages/backend/src/graphql/queries/get-flow.ts
+++ b/packages/backend/src/graphql/queries/get-flow.ts
@@ -1,5 +1,4 @@
 import { GraphQLNonNull, GraphQLInt } from 'graphql';
-import Flow from '../../models/flow';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
 import flowType from '../types/flow';
 
@@ -8,10 +7,11 @@ type Params = {
 };
 
 const getFlowResolver = async (params: Params, req: RequestWithCurrentUser) => {
-  const flow = await Flow.query()
+  const flow = await req.currentUser
+    .$relatedQuery('flows')
     .withGraphJoined('[steps.[connection]]')
     .orderBy('steps.position', 'asc')
-    .findOne({ 'flows.user_id': req.currentUser.id, 'flows.id': params.id })
+    .findOne({ 'flows.id': params.id })
     .throwIfNotFound();
 
   return flow;
diff --git a/packages/backend/src/graphql/queries/get-flows.ts b/packages/backend/src/graphql/queries/get-flows.ts
index eb87515b..cd6ce182 100644
--- a/packages/backend/src/graphql/queries/get-flows.ts
+++ b/packages/backend/src/graphql/queries/get-flows.ts
@@ -1,19 +1,21 @@
 import { GraphQLList } from 'graphql';
-import Flow from '../../models/flow';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
 import flowType from '../types/flow';
 
-const getFlowsResolver = async (req: RequestWithCurrentUser): Promise<any[]> => {
-  const flows = await Flow.query()
-    .withGraphJoined('[steps.[connection]]')
-    .where({'flows.user_id': req.currentUser.id});
+const getFlowsResolver = async (
+  req: RequestWithCurrentUser
+): Promise<any[]> => {
+  const flows = await req.currentUser
+    .$relatedQuery('flows')
+    .withGraphJoined('[steps.[connection]]');
 
   return flows;
-}
+};
 
 const getFlows = {
   type: GraphQLList(flowType),
-  resolve: (_: any, _params: any, req: RequestWithCurrentUser) => getFlowsResolver(req)
-}
+  resolve: (_: any, _params: any, req: RequestWithCurrentUser) =>
+    getFlowsResolver(req),
+};
 
 export default getFlows;
diff --git a/packages/backend/src/graphql/queries/test-connection.ts b/packages/backend/src/graphql/queries/test-connection.ts
index 085b9e0e..d035eea2 100644
--- a/packages/backend/src/graphql/queries/test-connection.ts
+++ b/packages/backend/src/graphql/queries/test-connection.ts
@@ -1,37 +1,43 @@
 import { GraphQLString, GraphQLNonNull } from 'graphql';
-import Connection from '../../models/connection';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
-import connectionType from '../types/connection'
+import connectionType from '../types/connection';
 
 type Params = {
-  id: string,
-  data: object
-}
-const testConnectionResolver = async (params: Params, req: RequestWithCurrentUser) => {
-  let connection = await Connection.query().findOne({
-    user_id: req.currentUser.id,
-    id: params.id
-  }).throwIfNotFound();
+  id: string;
+  data: object;
+};
+const testConnectionResolver = async (
+  params: Params,
+  req: RequestWithCurrentUser
+) => {
+  let connection = await req.currentUser
+    .$relatedQuery('connections')
+    .findOne({
+      id: params.id,
+    })
+    .throwIfNotFound();
 
   const appClass = (await import(`../../apps/${connection.key}`)).default;
 
   const appInstance = new appClass(connection.data);
-  const isStillVerified = await appInstance.authenticationClient.isStillVerified();
+  const isStillVerified =
+    await appInstance.authenticationClient.isStillVerified();
 
   connection = await connection.$query().patchAndFetch({
     data: connection.data,
-    verified: isStillVerified
-  })
+    verified: isStillVerified,
+  });
 
   return connection;
-}
+};
 
 const testConnection = {
   type: connectionType,
   args: {
-    id: { type: GraphQLNonNull(GraphQLString) }
+    id: { type: GraphQLNonNull(GraphQLString) },
   },
-  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => testConnectionResolver(params, req)
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) =>
+    testConnectionResolver(params, req),
 };
 
 export default testConnection;
diff --git a/packages/backend/src/models/user.ts b/packages/backend/src/models/user.ts
index 5874994a..c78f450a 100644
--- a/packages/backend/src/models/user.ts
+++ b/packages/backend/src/models/user.ts
@@ -1,12 +1,15 @@
 import { QueryContext, ModelOptions } from 'objection';
 import Base from './base';
 import Connection from './connection';
+import Flow from './flow';
 import bcrypt from 'bcrypt';
 
 class User extends Base {
-  id!: number
-  email!: string
-  password!: string
+  id!: number;
+  email!: string;
+  password!: string;
+  connections?: [Connection];
+  flows?: [Flow];
 
   static tableName = 'users';
 
@@ -18,8 +21,8 @@ class User extends Base {
       id: { type: 'integer' },
       email: { type: 'string', format: 'email', minLength: 1, maxLength: 255 },
       password: { type: 'string', minLength: 1, maxLength: 255 },
-    }
-  }
+    },
+  };
 
   static relationMappings = () => ({
     connections: {
@@ -29,8 +32,16 @@ class User extends Base {
         from: 'users.id',
         to: 'connections.user_id',
       },
-    }
-  })
+    },
+    flows: {
+      relation: Base.HasManyRelation,
+      modelClass: Flow,
+      join: {
+        from: 'users.id',
+        to: 'flows.user_id',
+      },
+    },
+  });
 
   login(password: string) {
     return bcrypt.compare(password, this.password);
@@ -42,14 +53,14 @@ class User extends Base {
 
   async $beforeInsert(queryContext: QueryContext) {
     await super.$beforeInsert(queryContext);
-    await this.generateHash()
+    await this.generateHash();
   }
 
   async $beforeUpdate(opt: ModelOptions, queryContext: QueryContext) {
     await super.$beforeUpdate(opt, queryContext);
 
-    if(this.password) {
-      await this.generateHash()
+    if (this.password) {
+      await this.generateHash();
     }
   }
 }
diff --git a/packages/backend/src/types/express/request-with-current-user.d.ts b/packages/backend/src/types/express/request-with-current-user.d.ts
index d2c7119c..cc869973 100644
--- a/packages/backend/src/types/express/request-with-current-user.d.ts
+++ b/packages/backend/src/types/express/request-with-current-user.d.ts
@@ -1,8 +1,8 @@
 import { Request } from 'express';
-import User from '../user';
+import User from '../../models/user';
 
 interface RequestWithCurrentUser extends Request {
-  currentUser: User
+  currentUser: User;
 }
 
 export default RequestWithCurrentUser;
diff --git a/packages/backend/src/types/user.d.ts b/packages/backend/src/types/user.d.ts
deleted file mode 100644
index 8bbc5bd8..00000000
--- a/packages/backend/src/types/user.d.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-type User = {
-  id: number,
-  email: string,
-  password: string,
-  createdAt: string,
-  updatedAt: string
-}
-
-export default User;