Lead Engineer - Fullstack ( React & Node )

Overview

Lead a frontend engineering effort building scalable, responsive, secure, high-performance web applications with React.js and Next.js, while working with Node.js-based backend services and API integrations.

What you'll do

• Design and develop scalable, responsive, high-performance web applications using React.js and Next.js.
• Build reusable, maintainable, and accessible UI components using component-driven development practices.
• Develop both client-side rendered and server-side rendered applications using Next.js.
• Implement application state management using Redux, Context API, or similar libraries.
• Ensure focus on Core Web Vitals, page performance, accessibility, responsiveness, and browser compatibility.
• Collaborate with UX/UI teams to convert design specifications into functional, user-friendly interfaces.
• Consume REST APIs using Fetch, Axios, or equivalent libraries with proper error handling and asynchronous data management.
• Integrate frontend applications with authentication and authorization mechanisms such as JWT and OAuth2.
• Identify and resolve UI defects, performance issues, security vulnerabilities, and code quality gaps.
• Mentor team members on frontend engineering practices, code quality, reusable components, and design consistency.
• Define frontend architecture, folder structures, coding standards, and reusable component strategies.
• Drive adoption of component libraries, design systems, and consistent UI development practices.
• Review frontend code for maintainability, scalability, performance, accessibility, and security.
• Support technical decision-making around frontend frameworks, libraries, build tools, and deployment patterns.
• Collaborate with backend teams to define API contracts and ensure smooth frontend-backend integration.
• Support debugging of frontend and API integration issues across environments.
• Handle API response mapping, validation, loading states, error states, and retry scenarios on the frontend.
• Collaborate with backend teams on API versioning, performance, pagination, caching, and security requirements.
• Write unit and integration test cases for frontend components and application flows.
• Ensure quality through code reviews, static analysis, linting, formatting, and automated test coverage.
• Support defect analysis, root cause identification, and production issue resolution.
• Work with CI/CD pipelines and build and deployment processes for frontend and Node.js applications.
• Support environment-level troubleshooting and production readiness activities.

What you'll need

• 5–8 years of software development experience with strong focus on frontend development.
• Strong hands-on experience with React.js, Next.js, JavaScript, TypeScript, HTML, and CSS.
• Experience building enterprise-level, responsive, accessible, and high-performance web applications.
• Strong understanding of frontend architecture, component-driven development, state management, and reusable UI patterns.
• Experience consuming REST APIs and integrating frontend applications with backend services.
• Working knowledge of Node.js and backend API concepts.
• Experience with testing tools such as Jest, React Testing Library, Cypress, or Playwright.
• Good understanding of secure coding, performance optimization, accessibility, and browser compatibility.
• Experience with Git-based source control and CI/CD practices.

Nice to have

• Exposure to Node.js frameworks such as Express.js or NestJS.
• Experience with design systems, UI component libraries, and micro-frontend architecture.
• Familiarity with cloud platforms such as Azure or AWS.
• Understanding of event-driven systems, microservices, and distributed application patterns.
• Experience working in regulated or high-security industries such as finance, healthcare, or insurance.
• Ability to work independently with minimal technical guidance and provide technical direction to team members.

Details

• Location: Chennai.