TECHNICAL LEAD - React JSHappiest Minds Technologies · Bengaluru

Role: UI (React) Experience: 8+ Years Job Summary We are looking for a highly skilled React Developer with strong expertise in JavaScript, TypeScript, and modern frontend architecture. The ideal candidate should have experience building enterprise-scale applications, implementing reusable component libraries, optimizing application performance, and contributing to architecture decisions. The candidate should possess strong problem-solving abilities, and frontend system design principles. Key Responsibilities Design, develop, and maintain scalable and high-performance web applications using React.js and TypeScript. Develop reusable, configurable, and maintainable UI components. Translate business requirements into clean, scalable technical solutions. Collaborate with Product Owners, UX Designers, Backend Developers, and QA teams. Optimize applications for performance, accessibility, scalability, and maintainability. Participate in code reviews and enforce coding standards and best practices. Contribute to frontend architecture discussions and technical design reviews. Implement unit testing and ensure high code coverage. Mentor junior developers and support knowledge-sharing initiatives. Troubleshoot and resolve complex UI and application issues. Required Skills Core Technologies Strong hands-on experience with React.js Expert-level proficiency in JavaScript (ES6+) Strong proficiency in TypeScript Deep understanding of React fundamentals: Hooks Context API Custom Hooks Component Lifecycle Error Boundaries Suspense Lazy Loading State Management Redux Toolkit Context API Frontend Development HTML5 CSS3 SCSS/SASS Styled Components / Emotion Responsive Web Design Cross-browser compatibility Architecture & Design Patterns Component-driven architecture Frontend design patterns Atomic Design Pattern Design Systems Modular and scalable component architecture Performance optimization techniques Code splitting and lazy loading Testing Jest React Testing Library Unit Testing Integration Testing APIs & Integration REST APIs GraphQL (Good to Have) SSE Good to Have Micro Frontend Architecture (Module Federation, Single-SPA) Data Visualization Libraries AI/LLM Integration experience RAG-based application exposure Agentic AI (Copilot, codex, devin) Desired Candidate Profile Strong analytical and problem-solving skills. Excellent communication and collaboration abilities. Experience working in Agile/Scrum environments. Ability to independently drive features from design to deployment. Experience mentoring junior developers. Strong focus on code quality, scalability, and maintainability. Ability to contribute to technical discussions and architecture decisions. React JS