React.js Developer
First seen by Alion on Sep 24, 2026.
Role Overview :
We are looking for an experienced React Developer with strong hands-on expertise in building scalable, responsive, and high-performance web applications. The role will involve developing reusable UI components, implementing state management, optimizing frontend performance, and collaborating with cross-functional teams to deliver high-quality digital experiences.
Key Responsibilities :
- Design, develop, and maintain scalable web applications using React.js.
- Build reusable, maintainable, and accessible component-based UI architectures.
- Develop responsive and consistent user interfaces across browsers, devices, and screen sizes.
- Implement effective state management and frontend application architecture.
- Work with JavaScript/TypeScript and modern functional programming patterns.
- Optimize web applications for performance, scalability, responsiveness, and usability.
- Identify and resolve frontend performance bottlenecks, rendering issues, and browser compatibility problems.
- Integrate frontend applications with RESTful APIs and backend services.
- Collaborate with UX/UI designers to translate designs and user requirements into high-quality interactive experiences.
- Write clean, maintainable, reusable, and testable code following frontend engineering best practices.
- Participate in code reviews and contribute to coding standards and reusable component libraries.
- Work closely with backend, QA, DevOps, Product, and other engineering teams to deliver end-to-end features.
- Support application deployment, release, and configuration activities as part of the software delivery lifecycle.
- Participate in Agile ceremonies and contribute to continuous improvement initiatives.
- Troubleshoot production issues and implement effective fixes while maintaining application stability.
Required Skills & Experience :
- 5 - 7 years of professional experience in frontend/web development, with strong hands-on experience in React.js.
- Strong proficiency in JavaScript and/or TypeScript.
- Strong understanding of React architecture, reusable components, hooks, functional programming patterns, and state management.
- Strong knowledge of HTML5, CSS3, responsive design, and cross-browser compatibility.
- Experience with frontend performance optimization, including efficient rendering, component optimization, and asset management.
- Strong understanding of web application architecture and modern frontend development practices.
- Experience integrating applications with RESTful APIs and backend services.
- Good understanding of Git, CI/CD, deployment, and configuration management practices.
- Experience working in Agile environments, including Scrum or Kanban.
- Strong analytical, debugging, and problem-solving skills.
- Ability to work independently in a fast-paced and evolving environment.
- Strong communication, collaboration, and interpersonal skills.
Preferred Skills :
- Experience with microservices architecture, containerization, and cloud-based applications.
- Experience with Docker and CI/CD pipelines.
- Exposure to AWS, Azure, or similar cloud platforms.
- Experience in Financial Services, Banking, or Fintech environments.
- Familiarity with frontend testing frameworks and automated testing practices.
Skills
React.js, Javascript, TypeScript, HTML5, CSS3, UI, RESTful API