---
title: "Dipanshu Kumar Sah (@dipanshusah) | Hashnode"
description: "Aspiring Full Stack Developer | JavaScript | Node.js | Learning & Building Daily. Read the latest articles by Dipanshu Kumar Sah on Hashnode."
url: "https://hashnode.com/@dipanshusah"
---

@dipanshusah

# Dipanshu Kumar Sah

@dipanshusah · Lucknow · Joined January 2026

Aspiring Full Stack Developer | JavaScript | Node.js | Learning & Building Daily

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

Why Speed Matters in Web Applications Users expect websites and applications to respond instantly. Slow applications can cause: Poor user experience Higher bounce rates Server overload Reduced sca

4 min read · [dipanshu-dns-record.hashnode.dev](https://dipanshu-dns-record.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/6a009a78e3eebc2e208f668c)

### [What is Node.js? JavaScript on the Server Explained](https://dipanshu-dns-record.hashnode.dev/what-is-node-js-javascript-on-the-server-explained?utm_source=hashnode&utm_medium=feed)

Learn what Node.js is, how it runs JavaScript on servers, the role of the V8 engine, event-driven architecture, and real-world Node.js use cases.

5 min read · [dipanshu-dns-record.hashnode.dev](https://dipanshu-dns-record.hashnode.dev/what-is-node-js-javascript-on-the-server-explained?utm_source=hashnode&utm_medium=feed)

[May 10](https://hashnode.com/posts/what-is-node-js-javascript-on-the-server-explained/6a0098bfe3eebc2e208e0e35)

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

Learn how to create routes and handle GET and POST requests in Express.js. Understand request-response flow and build your first Express server.

5 min read · [dipanshu-dns-record.hashnode.dev](https://dipanshu-dns-record.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/6a009567e3eebc2e208b892a)

### [JWT Authentication in Node.js Explained Simply](https://dipanshu-dns-record.hashnode.dev/jwt-authentication-in-node-js-explained-simply?utm_source=hashnode&utm_medium=feed)

A beginner-friendly guide to JWT authentication in Node.js covering Header, Payload, Signature, protected routes, and stateless authentication.

6 min read · [dipanshu-dns-record.hashnode.dev](https://dipanshu-dns-record.hashnode.dev/jwt-authentication-in-node-js-explained-simply?utm_source=hashnode&utm_medium=feed)

[May 9](https://hashnode.com/posts/jwt-authentication-in-node-js-explained-simply/69ffa3c7f239332df4fe132e)

### [Setting Up Your First Node.js Application Step-by-Step](https://dipanshu-dns-record.hashnode.dev/setting-up-your-first-node-js-application-step-by-step?utm_source=hashnode&utm_medium=feed)

Learn how to install Node.js, use the Node REPL, run JavaScript files, and create your first Hello World server step-by-step.

4 min read · [dipanshu-dns-record.hashnode.dev](https://dipanshu-dns-record.hashnode.dev/setting-up-your-first-node-js-application-step-by-step?utm_source=hashnode&utm_medium=feed)

[May 9](https://hashnode.com/posts/setting-up-your-first-node-js-application-step-by-step/69ffa07df239332df4fc380b)