DHIRENDER CHOUDHARY

@Dhirender

Open Source Contributor • Building AI & DevTools

IndiaJoined August 2025

About

Final year ECE (CSE Specialization) student at JIIT and active open source contributor. I build AI native developer tools, browser automation platforms, and full-stack web applications. Contributor to organizations like Learning Unlimited (GSoC org), OpenROAD, and RealDevSquad. Writing about AI, DevTools, testing frameworks, JavaScript, open source, and developer experience.

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AI, DevTools, Open Source, JavaScript, React, Testing, Browser Automation, Developer Experience

DHIRENDER CHOUDHARY's blogs

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Async Code in Node.js: Callbacks and Promises Explained Simply

6h ago · 6 min read · Introduction One of the biggest reasons Node.js became popular is because it handles multiple tasks without freezing the server. But to understand that properly, you first need to understand one impor

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JWT Authentication in Node.js Explained in Simple Words

16h ago · 5 min read · Introduction Whenever we build an app with login and signup features, one big question appears: How does the server remember the user after login? Because HTTP works like a stranger conversation. A re

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Sessions vs JWT vs Cookies: Understanding Authentication in Backend

16h ago · 6 min read · One thing that confused me a lot while learning backend was this: What actually keeps users logged in? Like… when we log into Instagram or Gmail once, why don’t we need to enter the password again on

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URL Parameters vs Query Strings in Express.js

16h ago · 5 min read · When I started learning backend APIs, one thing confused me a lot: Why sometimes data comes like: /users/45 and sometimes like: /products?category=shoes At first both looked almost identical to me.

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Storing Uploaded Files and Serving Them in Express

16h ago · 5 min read · When I first started learning backend development, file uploads felt confusing. Like… where does the image actually go after upload? How does the browser open that uploaded image again? After experime

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DHIRENDER CHOUDHARY

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DHIRENDER CHOUDHARY's blogs

Recently published

Async Code in Node.js: Callbacks and Promises Explained Simply

JWT Authentication in Node.js Explained in Simple Words

Sessions vs JWT vs Cookies: Understanding Authentication in Backend

URL Parameters vs Query Strings in Express.js

Storing Uploaded Files and Serving Them in Express

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DHIRENDER CHOUDHARY

About

Available for

DHIRENDER CHOUDHARY's blogs

Recently published

Async Code in Node.js: Callbacks and Promises Explained Simply

JWT Authentication in Node.js Explained in Simple Words

Sessions vs JWT vs Cookies: Understanding Authentication in Backend

URL Parameters vs Query Strings in Express.js

Storing Uploaded Files and Serving Them in Express