Cognizant

Senior Engineer - React

Cognizant
Apply
1 day ago
Chennai, IndiaSenior

Responsibilities

  • Build and operate production-grade web applications using React and modern JavaScript frameworks.
  • Develop component-based interfaces with React hooks and state management.
  • Integrate frontend applications with backend services and APIs.
  • Implement accessible, responsive, performant, and fault-tolerant user interfaces.
  • Develop and present AI-driven workflows or insights in frontend applications.
  • Apply error handling, observability, performance optimization, and production engineering practices.
  • Write and maintain frontend tests using Jest, React Testing Library, and Cypress.
  • Use Git-based workflows and CI/CD pipelines.
  • Work autonomously and make sound engineering trade-offs in ambiguous problem spaces.
  • Collaborate effectively with multicultural teams across different time zones.

Requirements

  • At least 5 years of professional frontend development experience.
  • Strong proficiency in React, JavaScript or TypeScript, HTML5, and CSS3.
  • Hands-on experience with React hooks, state management, and component-based architecture.
  • Experience with Redux, Zustand, or an equivalent frontend state management library.
  • Experience building and operating production-grade web applications.
  • Experience integrating frontend applications with backend services and APIs.
  • Understanding of UI/UX principles, accessibility, and responsive design.
  • Familiarity with GenAI-powered applications and AI-driven workflows or insights in user interfaces.
  • Experience using Copilot or Claude for code generation.
  • Experience with frontend testing frameworks such as Jest, React Testing Library, or Cypress.
  • Understanding of frontend production engineering concepts including error handling, observability, performance optimization, and fault tolerance.
  • Experience with CI/CD pipelines and Git-based version control workflows.
  • Strong problem-solving, communication, collaboration, and autonomous decision-making skills.

Benefits

  • Work location is Chennai or Bangalore.

Tech Stack

Categories

Cognizant

About Cognizant

10,000+ employees

Cognizant is a public IT services and consulting firm that designs, builds, and runs enterprise technology, including digital engineering, cloud modernization, data/AI, and managed services. It sells consulting, systems integration, and outsourcing on multi-year engagements to large enterprises in healthcare, banking, retail, communications, and manufacturing. Founded in 1994 and headquartered in Teaneck, New Jersey, Cognizant is NASDAQ-listed (CTSH) and a Fortune 500 company.

Contact me