Senior React Developer (Onsite)

Cognizant•Santa Clara, CA

4d•$90,000 - $114,000•Onsite

About The Position

Cognizant’s Digital Engineering practice is seeking a highly qualified Senior React Developer with experience developing and building high-performing, scalable, enterprise applications. You will be part of a digital software team that works on high-demand applications. Our engineers have a passion for high-quality, reliable and maintainable code. You will work side by side with product managers, designers, and clients, making decisions together in order to quickly deliver valuable working software to clients and their users. Our engineers are agile and retrospective, and not afraid to identify what we’re doing wrong, so we can fix it, and what we’re doing right, so we can improve on it. Above all, we judge success by the success of our team and the happiness of our customers. Cognizant Digital Engineering If you’re like us, you’ve got big ideas. At Cognizant, we’re exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value—by connecting people with things, insights and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.

Requirements

ReactJS
JavaScript (ES6+)
HTML
CSS
Redux
Context API
Webpack
Babel
Jest
Mocha
Git
GitHub
Jira
Confluence
Slack

Responsibilities

Architect scalable and maintainable React applications, integrating with RESTful APIs and backend services.
Build reusable components and libraries using React, Redux, and modern JavaScript (ES6+).
Optimize performance across browsers and devices using tools like Webpack and Babel.
Ensure code quality through unit testing (e.g., Jest, Mocha) and continuous integration.
Troubleshoot and debug complex UI issues and ensure smooth user experiences.
Maintain and update technical documentation for future reference.
Work closely with UI/UX designers, product managers, and backend developers to align technical solutions with user needs.
Translate wireframes and mockups into responsive, high-quality interfaces.
Participate in Agile ceremonies and contribute to sprint planning and retrospectives.
Stay updated with React ecosystem trends, including Next.js, TypeScript, and server-side rendering.
Promote a culture of continuous learning, innovation, and technical excellence.
Evaluate and implement new tools and frameworks to improve development efficiency