diff --git a/backend/src/api/controllers/result.ts b/backend/src/api/controllers/result.ts
index 70196220a..595441b42 100644
--- a/backend/src/api/controllers/result.ts
+++ b/backend/src/api/controllers/result.ts
@@ -73,14 +73,14 @@ export async function getResults(
       : req.ctx.configuration.results.limits.regularUser;
 
   const onOrAfterTimestamp = parseInt(
-    req.query.onOrAfterTimestamp as string,
+    req.query["onOrAfterTimestamp"] as string,
     10
   );
   let limit = stringToNumberOrDefault(
-    req.query.limit as string,
+    req.query["limit"] as string,
     Math.min(req.ctx.configuration.results.maxBatchSize, maxLimit)
   );
-  const offset = stringToNumberOrDefault(req.query.offset as string, 0);
+  const offset = stringToNumberOrDefault(req.query["offset"] as string, 0);
 
   //check if premium features are disabled and current call exceeds the limit for regular users
   if (
diff --git a/backend/src/api/routes/index.ts b/backend/src/api/routes/index.ts
index 444e1b5c7..d09dbd1f7 100644
--- a/backend/src/api/routes/index.ts
+++ b/backend/src/api/routes/index.ts
@@ -26,7 +26,7 @@ import {
 } from "express";
 import { isDevEnvironment } from "../../utils/misc";
 
-const pathOverride = process.env.API_PATH_OVERRIDE;
+const pathOverride = process.env["API_PATH_OVERRIDE"];
 const BASE_ROUTE = pathOverride ? `/${pathOverride}` : "";
 const APP_START_TIME = Date.now();
 
@@ -66,7 +66,8 @@ function addApiRoutes(app: Application): void {
   app.use(
     (req: MonkeyTypes.Request, res: Response, next: NextFunction): void => {
       const inMaintenance =
-        process.env.MAINTENANCE === "true" || req.ctx.configuration.maintenance;
+        process.env["MAINTENANCE"] === "true" ||
+        req.ctx.configuration.maintenance;
 
       if (inMaintenance) {
         res.status(503).json({ message: "Server is down for maintenance" });
diff --git a/backend/src/api/routes/swagger.ts b/backend/src/api/routes/swagger.ts
index 09abfb597..37d4754b8 100644
--- a/backend/src/api/routes/swagger.ts
+++ b/backend/src/api/routes/swagger.ts
@@ -24,8 +24,8 @@ function addSwaggerMiddlewares(app: Application): void {
       swaggerSpec: internalSwaggerSpec,
       onAuthenticate: (_req, username, password) => {
         return (
-          username === process.env.STATS_USERNAME &&
-          password === process.env.STATS_PASSWORD
+          username === process.env["STATS_USERNAME"] &&
+          password === process.env["STATS_PASSWORD"]
         );
       },
     })
diff --git a/backend/src/jobs/log-queue-sizes.ts b/backend/src/jobs/log-queue-sizes.ts
index c1c039461..5a1bd5812 100644
--- a/backend/src/jobs/log-queue-sizes.ts
+++ b/backend/src/jobs/log-queue-sizes.ts
@@ -9,13 +9,13 @@ async function main(): Promise<void> {
     Queues.map(async (queue) => {
       const counts = await queue.getJobCounts();
 
-      const active = counts.active;
-      const completed = counts.completed;
-      const failed = counts.failed;
+      const active = counts["active"];
+      const completed = counts["completed"];
+      const failed = counts["failed"];
 
-      const waiting = counts.waiting;
-      const paused = counts.paused;
-      const delayed = counts.delayed;
+      const waiting = counts["waiting"];
+      const paused = counts["paused"];
+      const delayed = counts["delayed"];
       const waitingChildren = counts["waiting-children"];
 
       const waitingTotal = waiting + paused + delayed + waitingChildren;
diff --git a/backend/src/middlewares/auth.ts b/backend/src/middlewares/auth.ts
index 055eabb03..926904e27 100644
--- a/backend/src/middlewares/auth.ts
+++ b/backend/src/middlewares/auth.ts
@@ -261,7 +261,7 @@ function authenticateGithubWebhook(): Handler {
     //authorize github webhook
     const { "x-hub-signature-256": authHeader } = req.headers;
 
-    const webhookSecret = process.env.GITHUB_WEBHOOK_SECRET;
+    const webhookSecret = process.env["GITHUB_WEBHOOK_SECRET"];
 
     try {
       if (!webhookSecret) {
diff --git a/backend/src/server.ts b/backend/src/server.ts
index 15052506d..445c68cea 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -18,8 +18,8 @@ import { createIndicies as leaderboardDbSetup } from "./dal/leaderboards";
 async function bootServer(port: number): Promise<Server> {
   try {
     Logger.info(`Starting server version ${version}`);
-    Logger.info(`Starting server in ${process.env.MODE} mode`);
-    Logger.info(`Connecting to database ${process.env.DB_NAME}...`);
+    Logger.info(`Starting server in ${process.env["MODE"]} mode`);
+    Logger.info(`Connecting to database ${process.env["DB_NAME"]}...`);
     await db.connect();
     Logger.success("Connected to database");
 
@@ -81,6 +81,6 @@ async function bootServer(port: number): Promise<Server> {
   });
 }
 
-const PORT = parseInt(process.env.PORT ?? "5005", 10);
+const PORT = parseInt(process.env["PORT"] ?? "5005", 10);
 
 bootServer(PORT);
diff --git a/backend/src/utils/captcha.ts b/backend/src/utils/captcha.ts
index 6b6748cc3..a681a9b9f 100644
--- a/backend/src/utils/captcha.ts
+++ b/backend/src/utils/captcha.ts
@@ -17,7 +17,7 @@ export async function verify(captcha: string): Promise<boolean> {
     {
       method: "POST",
       headers: { "Content-Type": "application/x-www-form-urlencoded" },
-      body: `secret=${process.env.RECAPTCHA_SECRET}&response=${captcha}`,
+      body: `secret=${process.env["RECAPTCHA_SECRET"]}&response=${captcha}`,
     }
   );
 
diff --git a/backend/src/utils/logger.ts b/backend/src/utils/logger.ts
index e86dba58d..8672417e0 100644
--- a/backend/src/utils/logger.ts
+++ b/backend/src/utils/logger.ts
@@ -9,8 +9,8 @@ const warningColor = chalk.yellow.bold;
 const successColor = chalk.green.bold;
 const infoColor = chalk.white;
 
-const logFolderPath = process.env.LOG_FOLDER_PATH ?? "./logs";
-const maxLogSize = parseInt(process.env.LOG_FILE_MAX_SIZE ?? "10485760");
+const logFolderPath = process.env["LOG_FOLDER_PATH"] ?? "./logs";
+const maxLogSize = parseInt(process.env["LOG_FILE_MAX_SIZE"] ?? "10485760");
 
 interface Log {
   type?: string;
@@ -32,7 +32,7 @@ const timestampFormat = format.timestamp({
 });
 
 const simpleOutputFormat = format.printf((log) => {
-  return `${log.timestamp}\t${log.level}: ${log.message}`;
+  return `${log["timestamp"]}\t${log.level}: ${log.message}`;
 });
 
 const coloredOutputFormat = format.printf((log) => {
@@ -50,7 +50,7 @@ const coloredOutputFormat = format.printf((log) => {
       break;
   }
 
-  return `${log.timestamp}\t${color(log.message)}`;
+  return `${log["timestamp"]}\t${color(log.message)}`;
 });
 
 const fileFormat = format.combine(timestampFormat, simpleOutputFormat);
diff --git a/backend/src/utils/misc.ts b/backend/src/utils/misc.ts
index 12ac2a016..2dc406c0d 100644
--- a/backend/src/utils/misc.ts
+++ b/backend/src/utils/misc.ts
@@ -300,5 +300,5 @@ export function stringToNumberOrDefault(
 }
 
 export function isDevEnvironment(): boolean {
-  return process.env.MODE === "dev";
+  return process.env["MODE"] === "dev";
 }
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 1375f2545..02f2bf5c7 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -13,7 +13,8 @@
     "esModuleInterop": true,
     "strictNullChecks": true,
     "skipLibCheck": false,
-    "noImplicitReturns": true
+    "noImplicitReturns": true,
+    "noPropertyAccessFromIndexSignature": true
   },
   "ts-node": {
     "files": true