Cognizant · 10 hours ago
Lead React Developer (Onsite)
Santa Clara, CA
Full-time
Onsite
Mid, Senior Level
$110K/yr - $142K/yrCognizant is a leader in digital engineering, helping industry-leading companies innovate and create new value. They are seeking a Lead React Developer to architect scalable applications, build reusable components, and ensure high-quality user experiences while collaborating closely with UI/UX designers and product managers.
ConsultingIndustrial AutomationInformation TechnologySoftwareSoftware Engineering
No H1B
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
Qualification
Required
Experience developing and building high-performing, scalable, enterprise applications
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
Core Front-End: ReactJS, JavaScript (ES6+), HTML, CSS
State Management: Redux, Context API
Build Tools: Webpack, Babel
Testing: Jest, Mocha
Version Control: Git, GitHub
Collaboration: Jira, Confluence, Slack
Benefits
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
Company
Cognizant
Cognizant is a professional services company that helps clients alter their business, operating, and technology models for the digital era.
Founded in 1994
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$0.24MKey Investors
Summit Financial Wealth Advisors
2025-03-08Post Ipo Equity
2016-11-18Post Ipo Equity· $0.24M
1998-06-19IPO
Leadership Team
Ravi Kumar S
Chief Executive Officer
Anil Cheriyan
CTO / EVP Strategy & Technology
Recent News
Hindu Business Line
2026-01-24
Hindu Business Line
2026-01-24
2026-01-24
Company data provided by crunchbase