Senior Front-End Developer – React / Next.js

Job Title : Senior Front-End Developer – React / Next.js Location: Remote Employment:W2/C2C Visa: USC,H1B.GC-EAD Job Summary We are looking for an experienced Senior Front-End Developer with strong expertise in React.js, Next.js, TypeScript, and modern web application development. The ideal candidate will be responsible for building scalable, responsive, high-performance web applications and reusable UI components. The candidate should have strong experience working with modern frontend architectures, API integrations, state management, performance optimization, testing, and CI/CD. Key Responsibilities • Design and develop modern, responsive web applications using React.js and Next.js. • Build reusable, scalable, and maintainable React components and frontend architectures. • Develop applications using TypeScript, JavaScript, HTML5, and CSS3. • Implement Next.js SSR, SSG, ISR, routing, and server/client-side rendering patterns. • Integrate frontend applications with REST APIs and GraphQL APIs. • Implement efficient data fetching, caching, and state management. • Work closely with UX/UI designers to convert designs into responsive and accessible web experiences. • Optimize applications for performance, scalability, SEO, and accessibility. • Implement responsive designs across desktop, tablet, and mobile devices. • Develop reusable UI/component libraries and establish frontend coding standards. • Write unit, integration, and end-to-end tests using tools such as Jest, React Testing Library, Playwright, or Cypress. • Troubleshoot and resolve frontend performance, compatibility, and production issues. • Participate in code reviews and maintain high-quality coding standards. • Work with Git-based development workflows and CI/CD pipelines. • Collaborate with backend developers, architects, QA engineers, designers, and product teams. Required Skills • 5+ years of Front-End Development experience • Strong hands-on experience with React.js • Strong hands-on experience with Next.js • Expert-level JavaScript / TypeScript • Strong knowledge of HTML5 and CSS3 • Experience with REST APIs and GraphQL • Strong understanding of responsive web development • Experience with frontend state management such as Redux, Context API, Zustand, or similar • Strong understanding of React hooks, component lifecycle, and reusable component architecture • Experience with Next.js SSR, SSG, ISR, and API/data-fetching patterns • Experience with frontend performance optimization • Understanding of SEO and WCAG accessibility • Experience with Jest / React Testing Library / Playwright / Cypress • Strong experience with Git • Experience with CI/CD and cloud deployment • Strong debugging and problem-solving skills Preferred Skills • Experience with Azure or Vercel • Experience building design systems / component libraries • Experience with Tailwind CSS or similar CSS frameworks • Experience with Webpack, Vite, or modern frontend build tools • Understanding of micro-frontends • Experience with authentication such as OAuth, JWT, or SSO • Experience with web analytics and monitoring • Familiarity with Agile/Scrum development Ideal Candidate The ideal candidate is someone who can independently own the frontend development of a large-scale web application, make sound architectural decisions, build reusable React/Next.js components, integrate APIs, troubleshoot complex frontend issues, and ensure the application is fast, scalable, accessible, secure, and maintainable.