Senior Front-End Developer – React / Next.js

Job Title : Senior Front-End Developer – React / Next.jsLocation: RemoteEmployment:W2/C2CVisa: USC,H1B.GC-EADJob SummaryWe 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 skillsPreferred 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 developmentIdeal CandidateThe 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.