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Sr React JS & Typescript Developer

Capgemini
Full Timesenior
INPosted April 25, 2026

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JavaScriptTypeScriptReactReduxZustandGitAPI

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Job Description

As a Senior React JS & Typescript Developer at the company, your role will involve designing, developing, and maintaining responsive and scalable web applications using React.js and TypeScript. You will be responsible for translating UI/UX designs and wireframes into clean, high-quality code, building reusable components and frontend libraries for future use, and optimizing applications for maximum speed, performance, and scalability. Your key responsibilities will also include integrating RESTful APIs, ensuring cross-browser compatibility and responsiveness, writing unit tests, integration tests, and maintaining code quality standards, as well as participating in code reviews, architecture discussions, and sprint planning. Additionally, you will be expected to debug and resolve performance, usability, and production issues, mentor junior developers, and contribute to technical best practices.

Key Responsibilities:

  • Design, develop, and maintain responsive and scalable web applications using React.js and TypeScript
  • Translate UI/UX designs and wireframes into clean, high-quality code
  • Build reusable components and frontend libraries for future use
  • Optimize applications for maximum speed, performance, and scalability
  • Integrate RESTful APIs and collaborate with backend teams
  • Ensure cross-browser compatibility and responsiveness
  • Write unit tests, integration tests, and maintain code quality standards
  • Participate in code reviews, architecture discussions, and sprint planning
  • Debug and resolve performance, usability, and production issues
  • Mentor junior developers and contribute to technical best practices

Qualifications Required:

  • Strong expertise in React.js
  • Proficiency in TypeScript
  • Solid knowledge of JavaScript (ES6+), HTML5, and CSS3
  • Experience with state management libraries (Redux, Zustand, MobX, or Context API)
  • Experience with RESTful APIs and asynchronous programming
  • Familiarity with modern frontend build tools (Webpack, Vite, Babel)
  • Understanding of component-based architecture
  • Experience with version control systems (Git)
  • Strong problem-solving and debugging skills

If you are interested in this position, please share your details at hidden_email with less than 5 years of experience are requested not to share their profiles.

Regards,

Maitrayee Bhattacharjee As a Senior React JS & Typescript Developer at the company, your role will involve designing, developing, and maintaining responsive and scalable web applications using React.js and TypeScript. You will be responsible for translating UI/UX designs and wireframes into clean, high-quality code, building reusable components and frontend libraries for future use, and optimizing applications for maximum speed, performance, and scalability. Your key responsibilities will also include integrating RESTful APIs, ensuring cross-browser compatibility and responsiveness, writing unit tests, integration tests, and maintaining code quality standards, as well as participating in code reviews, architecture discussions, and sprint planning. Additionally, you will be expected to debug and resolve performance, usability, and production issues, mentor junior developers, and contribute to technical best practices.

Key Responsibilities:

  • Design, develop, and maintain responsive and scalable web applications using React.js and TypeScript
  • Translate UI/UX designs and wireframes into clean, high-quality code
  • Build reusable components and frontend libraries for future use
  • Optimize applications for maximum speed, performance, and scalability
  • Integrate RESTful APIs and collaborate with backend teams
  • Ensure cross-browser compatibility and responsiveness
  • Write unit tests, integration tests, and maintain code quality standards
  • Participate in code reviews, architecture discussions, and sprint planning
  • Debug and resolve performance, usability, and production issues
  • Mentor junior developers and contribute to technical best practices

Qualifications Required:

  • Strong expertise in React.js
  • Proficiency in TypeScript
  • Solid knowledge of JavaScript (ES6+), HTML5, and CSS3
  • Experience with state management libraries (Redux, Zustand, MobX, or Context API)
  • Experience with RESTful APIs and asynchronous programming
  • Familiarity with modern frontend build tools (Webpack, Vite, Babel)
  • Understanding of component-based architecture
  • Experience with version control systems (Git)
  • Strong problem-solving and debugging skills

If you are interested in this position, please share your details at hidden_email with less than 5 years of experience are requested not to share their profiles.

Regards,

Maitrayee Bhattacharjee

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