---
title: "Radhika (@r4dh1k4) | Hashnode"
description: "Radhika (@r4dh1k4) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@r4dh1k4"
---

@r4dh1k4

# Radhika

@r4dh1k4 · Joined December 2025

### [Creating Routes and Handling Requests with Express](https://backend-radhika.hashnode.dev/creating-routes-and-handling-requests-with-express?utm_source=hashnode&utm_medium=feed)

Building servers using core Node.js is possible, but writing everything manually can become difficult as applications grow. This is where: Express.js makes backend development much easier. Express.js

6 min read · [backend-radhika.hashnode.dev](https://backend-radhika.hashnode.dev/creating-routes-and-handling-requests-with-express?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/creating-routes-and-handling-requests-with-express/6a009fc1e3eebc2e20933d85)

### [URL Parameters vs Query Strings in Express.js](https://backend-radhika.hashnode.dev/url-parameters-vs-query-strings-in-express-js?utm_source=hashnode&utm_medium=feed)

When building APIs or web applications in Express.js, you’ll often see URLs like: /users/101 or: /products?category=mobile&price=20000 These URLs contain: URL Parameters Query Parameters Both ar

7 min read · [backend-radhika.hashnode.dev](https://backend-radhika.hashnode.dev/url-parameters-vs-query-strings-in-express-js?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/url-parameters-vs-query-strings-in-express-js/6a009e0be3eebc2e209201b7)

### [Why Node.js is Perfect for Building Fast Web Applications](https://backend-radhika.hashnode.dev/why-node-js-is-perfect-for-building-fast-web-applications?utm_source=hashnode&utm_medium=feed)

One of the biggest reasons developers love Node.js is: Node.js is extremely fast and scalable. But what actually makes Node.js fast? Why do companies like Netflix and Uber use it? How can a single-t

7 min read · [backend-radhika.hashnode.dev](https://backend-radhika.hashnode.dev/why-node-js-is-perfect-for-building-fast-web-applications?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/why-node-js-is-perfect-for-building-fast-web-applications/6a009ce2e3eebc2e20913170)

### [How Node.js Handles Multiple Requests with a Single Thread](https://backend-radhika.hashnode.dev/how-node-js-handles-multiple-requests-with-a-single-thread?utm_source=hashnode&utm_medium=feed)

One of the most confusing things beginners hear about Node.js is: “Node.js is single-threaded but can handle thousands of users.” This creates many questions: If Node.js uses one thread, how does i

7 min read · [backend-radhika.hashnode.dev](https://backend-radhika.hashnode.dev/how-node-js-handles-multiple-requests-with-a-single-thread?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/how-node-js-handles-multiple-requests-with-a-single-thread/6a005674e3eebc2e205ebafd)

### [Setting Up Your First Node.js Application](https://backend-radhika.hashnode.dev/setting-up-your-first-node-js-application?utm_source=hashnode&utm_medium=feed)

If you want to become a backend developer, one of the first technologies you’ll learn is: Node.js Node.js allows JavaScript to run outside the browser and helps developers build: Servers APIs Real-

6 min read · [backend-radhika.hashnode.dev](https://backend-radhika.hashnode.dev/setting-up-your-first-node-js-application?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/setting-up-your-first-node-js-application/6a00559ee3eebc2e205e44d7)