Frontend (React) Engineering LeadRole OverviewWe are looking for a hands-on frontend Sr. developer / lead responsible for building scalable, secure, and high-performing web applications using React, ensuring seamless integration with backend services and enterprise platforms.Key Responsibilities1. Build Frontend Applications· Design and develop user interfaces using React.js and TypeScript.· Build reusable UI components and shared frontend libraries.· Design UI for performance and user experience using techniques such as lazy loading and virtualization.· Integrate frontend applications with backend APIs and services.· Collaborate with UX and visual design teams to ensure stellar user experience.2. Implement Secure and Scalable UI Architecture· Establish frontend design patterns such as MVVM, MVC, and Observer where appropriate.· Implement authentication and authorization using standards such as OIDC and OAuth.· Collaborate with backend team to ensure the application is scalable, performant, and maintainable.3. Implement Modern Software Engineering Practices· Implement CI/CD pipelines for frontend build and deployment.· Write unit and integration tests to ensure application quality.· Use code companions and modern developer tooling to improve productivity and code quality.Required Capabilities / Skills / Experience· 6–10 years of software engineering experience with a strong focus on frontend development.· Hands-on experience in React.js, TypeScript, JavaScript, HTML5, and CSS3.· Experience building reusable UI components and micro-frontend applications.· Experience in frontend performance optimization and responsive design.· Experience implementing authentication and authorization in web applications using modern security standards.· Experience integrating frontend applications with REST APIs and backend services.· Working knowledge of one or more cloud platforms (Azure/AWS/GCP) and front-end application deployment practices.· Practical knowledge of CI/CD pipelines, version control, and frontend testing frameworks.· Strong problem-solving, coding, and UI engineering skills focused on scalable, maintainable solutions. About Cognizant: Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant. Additional employment information Compensation 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. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.