Front-End Engineer (React.js)

Design, develop, and maintain responsive web applications using React.

Build reusable, scalable, and maintainable UI components.

Develop pixel-perfect user interfaces based on UI/UX designs and wireframes.

Optimize application performance, accessibility, and responsiveness across browsers and devices.

Write clean, modular, and well-documented code following industry best practices.

Integrate frontend applications with RESTful APIs and backend microservices.

Collaborate with backend engineers to define API contracts and ensure seamless integration.

Handle authentication, authorization, and secure communication with backend services.

Implement efficient error handling and loading states.

Optimize application performance using lazy loading, code splitting, caching, and rendering optimization.

Improve Core Web Vitals and overall application responsiveness.

Identify and resolve UI bugs and performance bottlenecks.

Ensure cross-browser compatibility and mobile responsiveness.

Write unit and integration tests for frontend components.

Develop features for viewing and interacting with large PDF documents containing hundreds or thousands of pages.

Optimize rendering performance for large documents using techniques such as lazy loading, virtual scrolling, page caching, and incremental rendering.

Work closely with UI/UX designers to deliver intuitive and visually appealing interfaces.

Collaborate with product managers to understand business requirements and translate them into technical solutions.

Participate in sprint planning, code reviews, and technical discussions.

Mentor junior developers and contribute to frontend best practices.

React.js

Next.js

JavaScript (ES6+)

TypeScript

HTML5

CSS3

Tailwind CSS, Material UI, or Bootstrap

Responsive Web Design

Redux Toolkit

Context API

React Query or TanStack Query

Zustand

Code Splitting

Lazy Loading

Memorization

Server-Side Rendering (SSR)

Static Site Generation (SSG)

Client-Side Rendering (CSR)

Incremental Static Regeneration (ISR)

Jest

React Testing Library

Cypress or Playwright (preferred)