diff --git a/signer-service/src/index.js b/signer-service/src/index.js
deleted file mode 100755
index 770e1df6..00000000
--- a/signer-service/src/index.js
+++ /dev/null
@@ -1,43 +0,0 @@
-const { port, env } = require('./config/vars');
-const logger = require('./config/logger');
-const app = require('./config/express');
-require('dotenv').config();
-
-const {
-  FUNDING_SECRET,
-  PENDULUM_FUNDING_SEED,
-  MOONBEAM_EXECUTOR_PRIVATE_KEY,
-  CLIENT_DOMAIN_SECRET,
-} = require('./constants/constants');
-
-//stop the application if the funding secret key is not set
-if (!FUNDING_SECRET) {
-  logger.error('FUNDING_SECRET not set in the environment variables');
-  process.exit(1);
-}
-
-// stop the application if the Pendulum funding seed is not set
-if (!PENDULUM_FUNDING_SEED) {
-  logger.error('PENDULUM_FUNDING_SEED not set in the environment variables');
-  process.exit(1);
-}
-
-// stop the application if the Moonbeam executor private key is not set
-if (!MOONBEAM_EXECUTOR_PRIVATE_KEY) {
-  logger.error('MOONBEAM_EXECUTOR_PRIVATE_KEY not set in the environment variables');
-  process.exit(1);
-}
-
-if (!CLIENT_DOMAIN_SECRET) {
-  logger.error('CLIENT_DOMAIN_SECRET not set in the environment variables');
-  process.exit(1);
-}
-
-// listen to requests
-app.listen(port, () => logger.info(`server started on port ${port} (${env})`));
-
-/**
- * Exports express
- * @public
- */
-module.exports = app;
diff --git a/signer-service/src/index.ts b/signer-service/src/index.ts
new file mode 100755
index 00000000..d90c4868
--- /dev/null
+++ b/signer-service/src/index.ts
@@ -0,0 +1,44 @@
+import dotenv from 'dotenv';
+
+import { config } from './config/vars';
+import logger from './config/logger';
+import app from './config/express';
+import {
+  FUNDING_SECRET,
+  PENDULUM_FUNDING_SEED,
+  MOONBEAM_EXECUTOR_PRIVATE_KEY,
+  CLIENT_DOMAIN_SECRET,
+} from './constants/constants';
+
+const { port, env } = config;
+
+dotenv.config();
+
+// Consider grouping all environment checks into a single function
+const validateRequiredEnvVars = () => {
+  const requiredVars = {
+    FUNDING_SECRET,
+    PENDULUM_FUNDING_SEED,
+    MOONBEAM_EXECUTOR_PRIVATE_KEY,
+    CLIENT_DOMAIN_SECRET,
+  };
+
+  for (const [key, value] of Object.entries(requiredVars)) {
+    if (!value) {
+      logger.error(`${key} not set in the environment variables`);
+      process.exit(1);
+    }
+  }
+};
+
+// Validate environment variables before starting the server
+validateRequiredEnvVars();
+
+// listen to requests
+app.listen(port, () => logger.info(`server started on port ${port} (${env})`));
+
+/**
+ * Exports express
+ * @public
+ */
+export default app;