As a Reactjs developer,
Please learn :
1. Advanced State Management
- Redux & Redux Toolkit
- Context API
- Recoil or Zustand
2. React Performance Optimization
- Memoization (React.memo, useMemo, useCallback)
- Code Splitting
- React Profiler
3. Component Design Patterns
- Higher-Order Components (HOCs)
- Render Props
- Custom Hooks
4. Server-Side Rendering (SSR)
- Next.js
- Hydration
5. TypeScript with React
- Type Safety
- Advanced Types and Generics
6. Testing
- React Testing Library
- End-to-End Testing (Cypress, Playwright)
- Mocking and Stubbing
7. React Ecosystem and Tooling
- Webpack and Babel
- ESLint and Prettier
8. API Integration
- GraphQL (Apollo Client, Relay)
- SWR and React Query
- WebSockets and Real-Time Updates
9. Authentication and Authorization
- OAuth and JWT
- Role-Based Access Control (RBAC)
10. Code Architecture
- Monorepos (Nx, Lerna)
- Micro-Frontends
- Atomic Design
11. Web Performance Optimization
- Lazy Loading
- Progressive Web Apps (PWA)
- Service Workers