*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*Role SummaryWe are looking for an experienced Senior React JS Developer / Front-End Lead to lead the end-to-end design and development of complex React applications supporting investment products and operational workflows for global banking clients.
The role requires strong hands-on expertise in React JS, JavaScript, front-end architecture, performance optimization, API integration, testing, and secure development practices. Experience within Investment Banking, Brokerage, Trading, or Settlement operations is highly preferred.
Key Responsibilities- Lead end-to-end design and development of complex React JS applications supporting investment products and banking operational workflows.
- Develop highly responsive, scalable, and accessible user interfaces using JavaScript, React JS, HTML, and CSS.
- Optimize application performance by identifying bottlenecks, improving React component structures, and refining state-management approaches.
- Work closely with Product Owners, Business Analysts, and Investment Banking Operations teams to translate business requirements into technical designs and implementation plans.
- Provide technical guidance to developers on JavaScript coding standards, React architectural patterns, reusable components, and secure development practices.
- Integrate front-end applications with backend services and APIs by defining data contracts, managing error scenarios, and ensuring reliable communication.
- Conduct code reviews and maintain strong unit-testing coverage to minimize regressions and improve long-term maintainability.
- Collaborate with Quality Engineering teams to build testable components, support automated user journeys, and resolve issues identified during system and user acceptance testing.
- Promote continuous improvement through reusable components, streamlined development workflows, and adoption of modern React and JavaScript tooling.
- Support production applications by analyzing incidents, performing root-cause analysis, implementing fixes, and improving application monitoring.
- Engage with business and technical stakeholders to present technical options, explain trade-offs, and align solutions with organizational objectives.
- Create and maintain technical documentation including solution designs, component libraries, configurations, and onboarding documentation.
- Participate in sprint planning, estimation, and technical risk assessment to develop realistic implementation plans and timelines.
- Mentor and guide peers on robust front-end development practices without requiring formal people-management responsibilities.
Required Qualifications- Extensive hands-on experience with JavaScript and React JS in enterprise-scale applications.
- Strong knowledge of:
- React component-based architecture
- State-management concepts and frameworks
- JavaScript / modern ES standards
- HTML and CSS
- Asynchronous programming
- REST APIs and backend-service integration
- Strong understanding of front-end performance optimization and troubleshooting.
- Experience with version control systems, build tools, package managers, and modern front-end development tooling.
- Experience implementing unit testing and code-quality practices for front-end applications.
- Strong understanding of secure coding, data protection, and development practices appropriate for financial-services applications.
- Ability to investigate complex technical problems, identify root causes, and communicate clear resolution steps.
- Strong communication skills with the ability to work closely with technical and business stakeholders.
Domain ExperiencePractical exposure to one or more of the following is highly preferred:
- Investment Banking
- Brokerage
- Trading applications
- Investment products
- Trade processing
- Settlement workflows
- Banking operational platforms
Preferred Qualifications- Experience with front-end automated testing frameworks.
- Experience with performance monitoring and observability tools.
- Experience working with CI/CD pipelines.
- Experience developing applications supporting high-volume financial transactions or operational workflows.
- Experience mentoring developers and establishing React development standards.
- Experience working in a hybrid, global banking environment.
Compensation: - $ 900,000 to $110,000 + COLA + Performance Bonus + Full benefits. Application will be accepted by 10/25/2026
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• 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
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