Apply in 3 Minutes UI Developer, React Js

4 days ago

Delhi, India Mastech Digital Full time

Position: UI Developer, React Js Location: Remote Duration: Contract and Full time Budget: Open to discuss Fulltime: All benefits are included Contract: No PF, No Gratuity, No medical benefits, no leaves Notice period: Only immediate joiners/Serving notice period/notice is less than 20 days Job Description React JS AI Knowledge - Cursor AI, Copilots, Performance Optimization, UI Best practices Key Responsibilities - Develop, enhance, and customize ReactJS-based components and plugins for the Backstage framework. - Understand and extend core and advanced features of ReactJS, ensuring code scalability and maintainability. - Perform performance profiling, debugging, and optimization of web applications. - Work with modern build tools (Webpack, Vite, Esbuild, etc.) to improve developer experience and application performance. - Apply UI/UX best practices, ensuring accessibility and responsive design standards are met. - Leverage AI-assisted development tools to accelerate delivery — writing effective prompts and reviewing AI-generated code for quality and compliance with project standards. - Collaborate closely with architects and senior engineers to ensure clean, modular, and well-documented code. - Participate in code reviews and technical discussions to continuously improve the engineering process. Required Skills & Experience - 6–10 years of professional experience in full-stack web development with a strong focus on ReactJS. - Deep understanding of React core concepts — lifecycle, hooks, context API, state management (Redux, Recoil, Zustand, etc.). - Proficiency in JavaScript (ES6+) and TypeScript. - Solid understanding of performance optimization techniques (memoization, lazy loading, virtual DOM diffing, bundle analysis, etc.). - Familiarity with Node.js frameworks (Express, NestJS, or similar). - Experience with modern front-end build tools (Webpack, Vite, Esbuild). - Working knowledge of RESTful APIs, GraphQL, and modern deployment pipelines (CI/CD). - Exposure to AI-assisted development tools (Cursor, Claude Code or GitHub Copilot) and understanding of their responsible use. - Proactive learner with strong problem-solving skills and the ability to independently translate business requirements into technical solutions.

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