What Is MERN?

MERN Stack is a Javascript Stack that is used for easier and faster deployment of full-stack web applications. MERN Stack comprises of 4 technologies namely: MongoDB, Express, React and Node.js. It is designed to make the development process smoother and easier.

MongoDB

MongoDb is a NoSQL DBMS where data is stored in the form of documents having key-value pairs similar to JSON objects. MongoDB enables users to create databases, schemas and tables.

ExpressJS

ExpressJS is a NodeJS framework that simplifies writing the backend code. It saves you from creating multiple Node modules.



ReactJS

ReactJS is a JS library that allows the development of user interfaces for mobile apps and SPAs. It allows you to code Javascript and develop UI components.

NodeJS

NodeJS is an open-source Javascript runtime environment that allows users to run code on the server.

Learning React Developer Roadmap in 2025

Stage 1 – HTML
Stage 2 – CSS
Stage 3 – JavaScript
Stage 4 – Git + GitHub
Stage 5 – React Basics
Stage 6 – React Advanced Concepts
Stage 7 – Build a React Frontend Project
Stage 8 – State Management
Stage 9 – RESTful APIs Integration
Stage 10 – Backend with Node.js + Express or Firebase
Stage 11 – Authentication (JWT, OAuth)
Stage 12 – Build a Full Stack Project
Stage 13 – Testing
Stage 14 – Deployment (Vercel, Netlify, or Docker)

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