Senior Developer React FSE

About the role

As a Senior React

JS + Java Developer, you will make an impact by building modern, scalable web applications and contributing to the migration from Angular

JS to React

JS.

You will be a valued member of the Technology & Engineering team and work collaboratively with cross-functional teams to deliver high-quality solutions in an Agile environment.

Cognizant will only consider applicants for this position who are legally authorized to work in the United States without requiring company sponsorship now or at any time in the future.

Bachelor’s degree in computer science, IT or equivalent.

• Develop and maintain front-end applications using React
  
  JS and Java, with hands‑on coding as a primary responsibility.
• Lead discussions with clients independently and provide technical guidance.
• Review architecture and propose solutions for migrating legacy applications from Angular
  
  JS to React
  
  JS.
• Collaborate with cross‑functional teams including Dev Ops, database, and backend teams.
• Design and implement APIs and integrate with REST/Graph
  
  QL services.
• Create low‑level design documents such as sequence diagrams and schema designs.
• Build reusable components, frameworks, and proof‑of‑concepts for UI and middleware.
• Ensure code quality through unit and integration testing, adhering to secure coding standards.

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client office in Charlotte, NC. Regardless of your working arrangement, we are here to support a healthy work‑life balance through our various wellbeing programs.

• Minimum 9 years of experience as a senior front‑end developer.
• Strong expertise in React
  
  JS, Redux, JavaScript, HTML, CSS, and CSS preprocessors (SASS, LESS).
• Experience with Bootstrap and unit testing frameworks (Karma, Jasmine).
• Strong understanding of RxJS and reactive programming.
• Experience with Angular reactive forms and migration projects.
• Proficiency in integrating REST/Graph
  
  QL APIs.
• Strong experience in Java, microservices, and Spring Boot.

• Familiarity with Next.js, Vite.js, and modern UI frameworks.
• Experience in Agile delivery and Dev Ops practices.
• Excellent problem‑solving skills and ability to work independently.
• Strong communication and collaboration skills for client‑facing discussions.

Applications will be accepted until January 20th, 2026.

Please note:

This role will require an in‑person meet and greet at our Cognizant offices or client location.

The annual salary for this position is between $68,422 to $114,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long‑term/Short‑term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan

Disclaimer:
The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.