Senior Full Stack Developer (Reactjs& Nodejs ) (Hybrid)

Description – ExternalSenior Full Stack Developer (React.js & Node.js)Cognizant’s Digital Engineering practice is seeking a highly Senior Full Stack Developer (React.js & Node.js) with 8+ years of 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 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.Location: Brookfield - WI (Hybrid)You must be legally authorized to work in the USA without the need for employer sponsorship, now or at any time in the future*Responsibilities Design and develop high-performance web applications using React.js and Node.js to deliver reliable and accessible user experiences. Build modular and reusable front-end components in React.js to ensure consistency and maintainability. Develop scalable and secure backend services using Node.js for business logic and system integrations. Manage GitLab workflows, including branching strategies, code reviews, and CI/CD pipelines to ensure code quality. Optimize application performance on both client and server sides through profiling and best practices. Collaborate with cross-functional teams to translate business requirements into scalable technical solutions. Troubleshoot and resolve complex production issues, ensuring system stability and reliability. Mentor junior engineers and promote best practices while ensuring proper documentation, monitoring, and continuous improvement.Qualifications 8–12 years of professional experience in software development, with a strong track record of delivering production-grade web applications. Deep expertise in React.js, including component design, state management, routing, and integration with REST or GraphQL APIs. Strong proficiency in Node.js, including asynchronous programming, API design, error handling, logging, and backend integrations. Hands-on experience with GitLab for source control, merge requests, code reviews, and CI/CD pipeline configuration. Solid understanding of web fundamentals such as HTML, CSS, JavaScript, and browser behavior for responsive and accessible design. Experience with automated testing frameworks for both frontend and backend to ensure high-quality, reliable releases. Strong problem-solving and debugging skills with the ability to work in complex application environments. Excellent communication and collaboration skills, with experience working effectively in hybrid and cross-functional teams.Salary And Other CompensationApplications will be accepted until June 18th, 2026.The annual salary for this position is between $ 83,250 to $ 132,000 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.Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:Medical/Dental/Vision/Life InsurancePaid holidays plus Paid Time Off401(k) plan and contributionsLong-term/Short-term DisabilityPaid Parental LeaveEmployee Stock Purchase PlanDisclaimer: 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 lawApplicants 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.