
WEB APPLICATION DEVELOPMENT USING MERN STACK ( 21 days Program Outline )
Β Week 1: Frontend with React.js (Days 1β7)
π Day 1 β Web Dev Overview + JavaScript Refresher
- HTML/CSS recap
- Modern JavaScript (ES6+): let/const, arrow functions, promises
- Git/GitHub intro
π Day 2 β React Basics
- What is React? How it works (DOM, Components)
- Create React App setup
- JSX, Functional Components, Props
π Day 3 β React State & Events
- useState hook
- Handling form inputs, buttons
- Conditional rendering
π Day 4 β React Lists & Forms
- Rendering lists with .map()
- Controlled components
- Form validations (basic)
π Day 5 β React Router
- Setting up react-router-dom
- Route, Link, useParams, useNavigate
- Nested routes
π Day 6 β useEffect & API Calls
- useEffect hook
- Fetching data from APIs
- Handling loading and error states
π Day 7 β React Mini Project
- Build a Blog UI / Todo App / Weather App
- Use React Router + API calls
Week 2: Backend with Node.js + Express + MongoDB (Days 8β14)
π Day 8 β Intro to Node.js & Express
- What is Node.js?
- Creating your first server
- Routes, Middleware, Nodemon
π Day 9 β REST API Basics
- REST principles
- CRUD endpoints (GET, POST, PUT, DELETE)
- JSON responses
π Day 10 β MongoDB & Mongoose
- MongoDB basics (collections, documents)
- Connect using Mongoose
- Create Models and Schemas
π Day 11 β CRUD with MongoDB
- Create, Read, Update, Delete documents
- Postman testing
- Error handling
π Day 12 β Authentication with JWT
- Register/Login API
- Hashing with bcrypt
- JWT token creation and verification
π Day 13 β Middleware & Validation
- Custom middleware
- Input validation with express-validator or Joi
- Protecting routes
π Day 14 β Backend Mini Project
- Build an Auth + CRUD API (e.g., Notes app or Task manager)
- Test with Postman
Β Week 3: Full-Stack Integration + Deployment (Days 15β21)
π Day 15 β Connect Frontend to Backend
- Proxy setup in React
- Axios for HTTP requests
- Full-stack Login/Register
π Day 16 β Protected Routes & Local Storage
- Store JWT in localStorage
- Conditional UI based on login state
- Logout and token expiration handling
π Day 17 β Advanced Features
- Pagination, Search, Filtering
- User roles & permissions
- File uploads (e.g., user profile pics)
π Day 18 β UI with Tailwind/Bootstrap
- Setup styling framework
- Create clean, responsive layouts
- Reusable components
π Day 19 β Final Project Build
Choose one:
- Blog App
- E-commerce Store
- Notes App with login
- Social Media Dashboard
π Day 20 β Deployment (Full Stack)
- Deploy frontend on Vercel/Netlify
- Deploy backend on Render/Railway/Heroku
- MongoDB Atlas setup
π Day 21 β Wrap-up & Career Prep
- Push project to GitHub
- Build resume + portfolio
- MERN interview questions
- Freelancing tips (Fiverr, Upwork)
π§° Tech Stack & Tools:
- Frontend: React, React Router, Axios, Tailwind/Bootstrap
- Backend: Node.js, Express.js, JWT, bcrypt, Mongoose
- Database: MongoDB + MongoDB Atlas
- Deployment: Vercel, Render, GitHub
π What Youβll Have by Day 21:
β One complete full-stack project β RESTful API built from scratch β GitHub portfolio β Ready for internships or freelance jobs
Schedule
