We are seeking an experienced React.js Developer to take the lead in designing and building performant, modular, and scalable web applications using modern front-end technologies. This role will report to the Tech Lead or Senior Director of Development, working closely with cross-functional teams to deliver top-tier user experiences. Key Responsibilities: Design, develop, and maintain modern web applications using ReactJS or equivalent frameworks. Architect and implement micro frontends for scalable and modular applications. Collaborate with design, backend, and product teams to deliver seamless UI/UX. Follow Test-Driven Development (TDD) practices and build unit, integration, and E2E tests. Implement automation testing frameworks (Jest, Cypress, Selenium, etc.). Optimize front-end performance for speed and scalability. Lead code reviews and mentor junior/mid-level developers. Stay current with the latest trends and tools in front-end development.