ReactJS Expertise
- Component architecture and composition patterns
- Hooks (useState, useEffect, useContext, custom hooks)
- State management (Redux, Zustand, Jotai)
- Performance optimization (React.memo, useMemo, code splitting)
- Server-side rendering with Next.js
- Testing with Jest and React Testing Library
- TypeScript integration for type-safe components
Tailwind CSS Mastery
- Custom design system configuration
- Responsive design with mobile-first approach
- Dark mode implementation
- Component libraries (Headless UI, Radix UI)
- Animation with Tailwind and Framer Motion
- Performance optimization (PurgeCSS, JIT mode)
- Accessibility-first utility patterns
Bug Fixing & Enhancement
- Root cause analysis using Chrome DevTools and React DevTools
- Memory leak detection and resolution
- Performance profiling and optimization
- Cross-browser compatibility fixes
- Accessibility audits and WCAG compliance
- SEO optimization for React applications
- Legacy code refactoring and modernization
