Anirban Sinha

React.js Course – From Fundamentals to Production-Ready Applications

This is a structured, in-depth React.js program designed to take you from core fundamentals to advanced, real-world application architecture. The focus is not just on learning syntax, but on understanding how React works internally and how to build scalable, maintainable front-end systems.

What You’ll Learn

1. Core Foundations

1. JSX, components, props, state
2. Functional components vs class components
3. React rendering lifecycle
4. Virtual DOM and reconciliation

2. Modern React (Hooks-Centric)

1. useState, useEffect, useMemo, useCallback
2. Custom hooks design patterns
3. Controlled vs uncontrolled components
4. Form handling best practices

3. State Management & Architecture

1. Lifting state and prop drilling
2. Context API
3. Scalable folder structures
4. Component reusability patterns
5. Introduction to Redux or alternative state libraries (if required)

4. Performance Optimization

1. Memoization strategies
2. Avoiding unnecessary re-renders
3. Code splitting & lazy loading
4. React DevTools profiling

5. API Integration & Async Handling

1. Fetch / Axios patterns
2. Error handling strategies
3. Loading states & UX patterns

6. Routing & Application Structure

1. React Router
2. Protected routes
3. Layout composition

7. Real-World Project Building

1. Build a complete production-style application
2. Clean architecture principles
3. Best practices for maintainability and scalability

Who This Is For

1. Developers transitioning to frontend roles
2. Angular/Node engineers adding React to their stack
3. Professionals preparing for React interviews
4. Engineers who want deeper architectural clarity

By the end of this course, you won’t just “know React” — you’ll understand how to design React applications that are scalable, performant, and production-ready.