00068581511

Date published Apr 24 2026
Location Toronto, ON-199 Bay Street / Canada
Job category Digital
Work model Hybrid

As a Sr. UI/UX Developer (React), you will make an impact by designing and building modern, scalable user interfaces that power high-quality digital experiences. You will be a valued member of a cross-functional engineering team and work closely with product managers, designers, backend engineers, and QA partners to deliver reliable solutions that meet both technical and business needs.

• Design, build, and maintain responsive, high-performance user interfaces using React and modern JavaScript/TypeScript frameworks.
• Develop reusable components and contribute to component-based design systems that ensure consistency and scalability across products.
• Collaborate with backend teams to integrate REST and GraphQL APIs, ensuring seamless data flow and optimal performance.
• Translate functional and non-functional requirements into clean, maintainable, and testable code.
• Participate in the full software development lifecycle, including estimation, design reviews, coding, testing, and deployment.
• Write and execute unit test cases, support integration testing, and partner with QA and UAT teams to ensure quality releases.
• Contribute to code reviews, documentation, and continuous improvement of engineering standards and practices.

• Strong professional experience with React, with an expected skill mix of approximately 75% React and 25% Java.
• Solid experience with modern UI development, including Tailwind CSS and Shadcn/UI or similar frameworks.
• Proficiency in HTML5, CSS3, JavaScript, and TypeScript.
• Experience designing and working within component-based architectures and design systems.
• Hands-on experience integrating REST and/or GraphQL APIs.
• Familiarity with modern development tools and workflows, including Git, Bitbucket, build systems, and code reviews.

• Experience building and deploying cloud-native applications.
• Hands-on exposure to Docker and Kubernetes environments.
• Experience with CI/CD pipelines and automation tools such as Jenkins.

At Cognizant, we're eager to meet people who believe in our mission and can make an impact in various ways. We encourage you to apply if you have most of the skills above and feel like you are strongly suited for this role.

Consider what transferable experience and skills make you a unique applicant and help us see how you’d be beneficial to this role.

Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.

We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between $60,300 – $95,000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 4 days a week in a client office in Toronto, ON. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well