diff --git a/assignments/hackyourtemperature/package.json b/assignments/hackyourtemperature/package.json
new file mode 100644
index 000000000..adc9878b8
--- /dev/null
+++ b/assignments/hackyourtemperature/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "hackyourtemperature",
+  "version": "1.0.0",
+  "type": "module",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "nodemon --ext js,json --watch . server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^5.1.0",
+    "express-handlebars": "^8.0.3",
+    "node-fetch": "^3.3.2"
+  },
+  "devDependencies": {
+    "nodemon": "^3.1.10"
+  }
+}
diff --git a/assignments/hackyourtemperature/server.js b/assignments/hackyourtemperature/server.js
new file mode 100644
index 000000000..a7c72c980
--- /dev/null
+++ b/assignments/hackyourtemperature/server.js
@@ -0,0 +1,24 @@
+import express from "express";
+
+const app = express();
+const PORT = 3000;
+
+app.use(express.json());
+
+app.get("/", (req, res) => {
+    res.type("text/plain").send("hello from backend to frontend!");
+});
+
+app.post("/weather", (req, res) => {
+    const { cityName } = req.body ?? {};
+    if (!cityName || typeof cityName !== "string") {
+        return res.status(400).json({
+            error: 'Send JSON like { "cityName": "Amsterdam" }',
+        });
+    }
+    res.json({ received: cityName });
+});
+
+app.listen(PORT, () => {
+    console.log(`Server listening on http://localhost:${PORT}`);
+});