🔰 Backend Development Roadmap 2025
├── 🧠 Understanding Client-Server Architecture
├── ⚙️ HTTP, HTTPS, REST, and WebSockets
├── 🗄️ Databases (SQL vs NoSQL)
├── 🔐 Authentication & Authorization (Sessions, Tokens, OAuth)
├── 🧩 Building RESTful APIs
├── 📦 Caching (Redis, CDN concepts)
├── 🔁 Background Jobs & Queues (e.g., BullMQ, Celery)
├── 🧪 Mini Project: URL Shortener Service
├── 🛠 API Rate Limiting, Pagination, Filtering
├── 🧪 Mini Project: File Upload API with Role-Based Access
├── 🧱 Design Patterns in Backend (Factory, Singleton, Middleware)
├── 🧪 Mini Project: E-commerce Backend (Cart + Orders + Auth)
├── ⚖️ Load Balancing & Scalability Concepts
├── 📜 API Documentation (Swagger, Postman)
├── ☁️ Deployment (CI/CD, Docker, Cloud Basics)

Web Development Resources: https://whatsapp.com/channel/0029VaiSdWu4NVis9yNEE72z

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1.Components
• Functional Components
• Class Components
• JSX (JavaScript XML) Syntax

2.Props (Properties)
• Passing Props
• Default Props
• Prop Types

3.State
• useState Hook
• Class Component State
• Immutable State

4.Lifecycle Methods (Class Components)
• componentDidMount
• componentDidUpdate
• componentWillUnmount

5.Hooks (Functional Components)
• useState
• useEffect
• useContext
• useReducer
• useCallback
• useMemo
• useRef
• useImperativeHandle
• useLayoutEffect

6.Event Handling
• Handling Events in Functional Components
• Handling Events in Class Components

7.Conditional Rendering
• if Statements
• Ternary Operators
• Logical && Operator

8.Lists and Keys
• Rendering Lists
• Keys in React Lists

9.Component Composition
• Reusing Components
• Children Props
• Composition vs Inheritance

10.Higher-Order Components (HOC)
• Creating HOCs
• Using HOCs for Reusability

11.Render Props
• Using Render Props Pattern

12.React Router
• <BrowserRouter>
• <Route>
• <Link>
• <Switch>
• Route Parameters

13.Navigation
• useHistory Hook
• useLocation Hook

State Management

14.Context API
• Creating Context
• useContext Hook

15.Redux
• Actions
• Reducers
• Store
• connect Function (React-Redux)

16.Forms
• Handling Form Data
• Controlled Components
• Uncontrolled Components

17.Side Effects
• useEffect for Data Fetching
• useEffect Cleanup

18.AJAX Requests
• Fetch API
• Axios Library

Error Handling

19.Error Boundaries
• componentDidCatch (Class Components)
• ErrorBoundary Component (Functional
Components)

20.Testing
• Jest Testing Framework
• React Testing Library

21. Best Practices
• Code Splitting
• PureComponent and React.iss.onemo
• Avoiding Reconciliation
• Keys for Dynamic Lists

22.Optimization
• Memoization
• Profiling and Performance Monitoring

23. Build and Deployment
• Create React App (CRA)
• Production Builds
• Deployment Strategies

Frameworks and Libraries

24.Styling Libraries
• Styled-components
• CSS Modules

25.State Management Libraries
• Redux
• MobX

26.Routing Libraries
• React Router
• Reach Router

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The Comprehensive step by step React JS tutorial on building React Firebase Chat web application (React Hook)