Senior React.js Frontend Developer (Remote)

React.js Frontend Developer About The Role As a React.js Frontend Developer, you will make an impact by designing and building modern, scalable, and responsive web applications that deliver exceptional user experiences. You will be a valued member of the development team and work collaboratively with product owners, UI/UX designers, backend developers, and other stakeholders to deliver high-quality digital solutions. In This Role, You Will Design, develop, and maintain responsive web applications using React.js and modern frontend technologies. Collaborate with UI/UX designers to transform wireframes and design concepts into high-quality, reusable user interface components. Integrate RESTful APIs and third-party services to deliver seamless application functionality. Write clean, maintainable, and well-documented code while following established coding standards and best practices. Conduct code reviews and contribute to continuous improvement of development processes and application quality. Troubleshoot, debug, and resolve performance, compatibility, and usability issues across browsers and devices. Partner with backend developers to define, consume, and optimize application APIs. Participate in Agile ceremonies, including sprint planning, daily standups, reviews, and retrospectives. Work Model We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a remote position open to qualified applicants. Regardless of your working arrangement, we are here to support a healthy work-life balance through 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 as business and client requirements. Rest assured; we will always be clear about role expectations. You must be legally authorized to work in the Canada without the need for employer sponsorship, now or at any time in the future* What You Need To Have To Be Considered 7+ years of experience in Frontend Development 3+ years of professional experience developing web applications using React.js. Strong proficiency in JavaScript and TypeScript. Hands-on experience with state management solutions such as Redux or Context API. Experience integrating RESTful APIs and third-party libraries. Familiarity with GraphQL and modern frontend development practices. Strong understanding of responsive design principles and cross-browser compatibility. Experience using Git and collaborative development workflows. Ability to work effectively in an Agile development environment. These will help you stand out Experience collaborating closely with UI/UX designers to deliver intuitive user experiences. Knowledge of frontend performance optimization techniques and best practices. Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress. Understanding of accessibility (WCAG) standards and inclusive design principles. Experience with modern CI/CD practices and cloud-based development environments. UI/UX design knowledge or experience, although not required. Canadian Pay Transparency Statement We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between $ 74,250 – 117,500 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. Why Choose Cognizant? It takes a lot to succeed in today’s fast-paced market, and Cognizant Technology Solutions has become a leader in the industry. We love big ideas and even bigger dreams! We stand out because we put human experiences at the core. Our associates enjoy robust benefits and training opportunities from our industry-recognized, award-winning Academy team. You will have access to hundreds of technical training courses to keep your skillsets fresh and have opportunities to acquire certifications on the newest technologies. Disclaimer: 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 law Applicants 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.

Design, develop, and maintain scalable, responsive web applications using React.js and modern frontend technologies. Collaborate with UI/UX designers and backend developers to integrate APIs and deliver high-quality user interfaces.

Requires over 7 years of frontend development experience, including at least 3 years with React.js, and proficiency in JavaScript and TypeScript. Candidates must be legally authorized to work in Canada without sponsorship.

• Discretionary annual performance-based bonus • Physical wellbeing programs • Mental wellbeing programs • Financial wellbeing programs • Technical training courses • Certification opportunities

• CI/CDPreferred
• JavaScriptPreferred
• AgilePreferred
• TypeScriptPreferred
• GraphQLPreferred
• GitPreferred

Identified from the job description. Confirm important requirements above.

• React.js
• JavaScript
• TypeScript
• Redux
• Context API
• RESTful APIs
• GraphQL
• Responsive Design
• Git
• Agile
• Jest
• React Testing Library
• Cypress
• WCAG
• CI/CD
• Frontend Performance Optimization

• Software
• Technology
• Engineering
• Consulting

Minimum experience

5+ years

Apply by

Sep 3, 2026

Posting language

English

Working hours

40 hours per week

Location requirements

Country, Halifax, Nova Scotia, Canada

Seniority

Mid-Senior level