Frontend Developer

 

Description:

We are looking for a highly skilled Senior Frontend Engineer (React.js) with 4–5 years of focused frontend experience. You will be responsible for building and optimizing large-scale, high-performance web applications used by thousands to millions of users.

 

This role is strictly frontend-focused. We value deep expertise in UI architecture, performance optimization, scalability patterns, and production-grade frontend engineering practices.

 

You will work on complex distributed systems where frontend performance, reliability, and maintainability are critical at scale.

 

Key Responsibilities

 

Frontend Architecture & Scalability:

- Design scalable frontend architecture using React.js

- Build reusable component systems

- Feature-based architecture

- Micro-frontend contribution where needed

 

Performance Engineering:

- Code splitting, lazy loading

- Virtualized rendering

- Bundle optimization

- Improve Core Web Vitals

 

State Management & Data Flow:

- Redux Toolkit / Zustand

- Predictable UI state management

- API caching strategies

 

API Integration:

- REST / GraphQL integration

- Real-time WebSockets support

- Pagination, retries, infinite scroll

 

UI/UX Engineering:

- Convert designs into scalable UI

- Responsive and accessible interfaces

 

Quality & Testing:

- Unit and integration tests

- Code reviews

- Frontend best practices

 

Security:

- XSS prevention

- Secure token handling

- OWASP frontend practices

 

Observability:

- Error tracking tools integration

- Performance monitoring

 

Required Skills

 

- 4–5 years frontend experience

- Strong React.js (Hooks, performance optimization)

- TypeScript + JavaScript (ES6+)

- HTML5, CSS3

- Webpack / Vite

- Browser internals understanding

- API integration experience

- Debugging production issues