---
title: "Sagar Kumar (@sagar404) | Hashnode"
description: "#software Engineer. Read the latest articles by Sagar Kumar on Hashnode."
url: "https://hashnode.com/@sagar404"
---

@sagar404

# Sagar Kumar

@sagar404 · noida · Joined November 2025

#software Engineer

### [🔐 bcrypt.js in Node.js](https://sagar404.hashnode.dev/bcrypt-js-in-node-js?utm_source=hashnode&utm_medium=feed)

How to Secure Passwords in Your MERN Application

9 min read · [sagar404.hashnode.dev](https://sagar404.hashnode.dev/bcrypt-js-in-node-js?utm_source=hashnode&utm_medium=feed)

[Oct 6](https://hashnode.com/posts/bcrypt-js-in-node-js/6ac5416f026671d9c0e2d783)

### [Lucide React Setup Guide](https://sagar404.hashnode.dev/lucide-react-setup-guide?utm_source=hashnode&utm_medium=feed)

A complete guide to using Lucide React icons in modern React projects.

3 min read · [sagar404.hashnode.dev](https://sagar404.hashnode.dev/lucide-react-setup-guide?utm_source=hashnode&utm_medium=feed)

[Apr 30](https://hashnode.com/posts/lucide-react-setup-guide/69f2e5c3b18c97823379ef59)

### [🌐 CORS Setup in MERN Project](https://sagar404.hashnode.dev/cors-setup-in-mern-project?utm_source=hashnode&utm_medium=feed)

\# CORS

2 min read · [sagar404.hashnode.dev](https://sagar404.hashnode.dev/cors-setup-in-mern-project?utm_source=hashnode&utm_medium=feed)

[Apr 26](https://hashnode.com/posts/cors-setup-in-mern-project/69ee30e33d6a492cdd1a13b0)

### [⚛️ React Hooks: The Complete Guide for Modern React Developers](https://sagar404.hashnode.dev/react-hooks-the-complete-guide-for-modern-react-developers?utm_source=hashnode&utm_medium=feed)

⚛️ React Hooks

4 min read · [sagar404.hashnode.dev](https://sagar404.hashnode.dev/react-hooks-the-complete-guide-for-modern-react-developers?utm_source=hashnode&utm_medium=feed)

[Dec 7, 2025](https://hashnode.com/posts/react-hooks-the-complete-guide-for-modern-react-developers/6935d24856e035d45053467e)

### [🌐 React Context API: The Complete Guide to Managing Global State](https://sagar404.hashnode.dev/react-context-api-the-complete-guide-to-managing-global-state?utm_source=hashnode&utm_medium=feed)

🌐 React Context API

4 min read · [sagar404.hashnode.dev](https://sagar404.hashnode.dev/react-context-api-the-complete-guide-to-managing-global-state?utm_source=hashnode&utm_medium=feed)

[Dec 7, 2025](https://hashnode.com/posts/react-context-api-the-complete-guide-to-managing-global-state/6935d18acd4bf1a190154edb)
