SENIOR SOFTWARE ENGINEER - ReactJS
Happiest Minds Technologies · Noida, Uttar Pradesh, India
Happiest Minds Technologies · Noida, Uttar Pradesh, India
- Develop intuitive, responsive, and dynamic user interfaces using React.js, JavaScript (ES6+), and CSS3. - Build and maintain component libraries using React functional components, hooks, and context/state management (e.g., Redux, Zustand). - Ensure pixel-perfect designs using tools like Figma/Zeplin, and write clean, maintainable, cross-browser-compatible CSS (or Sass/Styled-Components). - Collaborate with backend teams to consume REST/GraphQL APIs, including services hosted on AWS. - Manage frontend deployments with tools such as AWS Amplify, CloudFront, or S3 static hosting. - Optimize frontend performance for speed, accessibility, SEO, and mobile responsiveness. - Integrate authentication and identity services (e.g., OKTA, OAuth2, GCP IAM). - Implement frontend observability using AWS cloud monitoring and logging. - Participate in code reviews, Agile ceremonies, and product discussions to deliver high-quality solutions. - Write and maintain unit/integration tests using Jest, React Testing Library, or Cypress. **What You Will Need** - 6+ years of frontend development experience with a strong focus on React. - Expertise in JavaScript (ES6+), HTML5, and CSS3 (Flexbox, Grid, animations). - Strong coding skills. - Hands-on experience deploying and managing frontend applications using AWS services. - Experience with modern frontend tooling: Webpack, Babel, Vite, ESLint, etc. - Proficiency in working with RESTful APIs and handling async data flows (e.g., Axios, Fetch, SWR). - Solid understanding of responsive design, cross-browser compatibility, and accessibility (WCAG). - Ability to write clean, modular, maintainable code and debug efficiently. - Good understanding of web security principles and best practices. - Version control using Git, and experience with CI/CD tools for frontend deployments. ReactJS, Javascript, NextJS