Senior Engineer - React

Cognizant • Science & Engineering • IT Outsourcing & Dedicated Teams • JavaScript • TypeScript • 3 hours ago
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Location
Remote (India)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 8, 2026.

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Cognizant

Cognizant is an American information technology services and consulting company founded in 1994 as an in-house technology unit of Dun and Bradstreet in Chennai, India, and headquartered in Teaneck, New Jersey. It builds, integrates and operates software and infrastructure for large enterprises, with particularly deep positions in healthcare, financial services, insurance and life sciences, delivered by a global workforce of more than three hundred thousand people concentrated in India. Listed on Nasdaq, the company competes with the large Indian and global systems integrators and has reoriented its offerings around cloud migration, data platforms and AI-assisted engineering.
cognizant.com • HQ: Teaneck, United States • Cloud Consulting & Migration • Engineering Services • Science & Engineering • IT Outsourcing & Dedicated Teams • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 1994
Tech stack of Cognizant
Backed by Peak XV Partners

Location: Chennai, Bangalore

React JD:

Skillset : React, JavaScript / TypeScript, HTML5, and CSS3

  • 5+ years of professional experience in front-end development, with strong emphasis on React and modern JavaScript frameworks.
  • Experience leveraging Copilot or Claude for code generation.
  • Strong proficiency in JavaScript / TypeScript, HTML5, and CSS3.
  • Demonstrated experience building and operating production-grade web applications.
  • Hands-on experience with React, including hooks, state management, and component-based architecture.
  • Experience with front-end state management libraries (e.g., Redux, Zustand, or equivalent).
  • Experience integrating front-end applications with RESTful APIs and back-end services.
  • Solid understanding of UI/UX principles, accessibility , and responsive design.
  • Familiarity with GenAI-powered applications and presenting AI-driven workflows or insights in user interfaces.
  • Strong grasp of front-end production engineering concepts such as error handling, observability, performance optimization, and fault tolerance.
  • Experience with front-end testing frameworks (e.g., Jest, React Testing Library, Cypress).
  • Experience with CI/CD pipelines and Git-based version control workflows.
  • Ability to work autonomously in ambiguous problem spaces and make sound engineering trade-offs.

Excellent problem-solving, communication, and collaboration skills, with the ability to work in multi-cultural teams across different time zones

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