SENIOR SOFTWARE ENGINEER - ReactJS

Happiest Minds Technologies

Noida, India

5-7 Years

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Job Description

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

5+ 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

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About Company

Happiest Minds TechnologiesJob Source: www.linkedin.com

Job ID: 147534281

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Last Updated: 16-05-2026 03:39:18 AM

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