Senior React.js Developer (Node.js/GraphQL) - Remote Canada

Cognizant; Halifax; On-site; CAD 60,000 - 95,000; Full time

Job summary

Cognizant is seeking a React Developer to design, develop, and maintain modern web applications that deliver exceptional user experiences. You will work with UI/UX designers, backend developers, product owners, and stakeholders to build innovative digital solutions.

The role supports hybrid work with remote options in Canada, with emphasis on delivering scalable, high-performing interfaces and robust front-end architectures.

Qualifications

• 3+ years of professional experience developing applications using React.js.
• Strong proficiency in JavaScript and TypeScript.
• Hands-on experience with state management frameworks such as Redux or Context API.
• Experience integrating RESTful APIs and third-party libraries or SDKs.
• Familiarity with GraphQL and modern front-end development practices.
• Strong debugging, troubleshooting, and performance optimization skills.
• Experience working in Agile development environments.

Responsibilities

• Design, develop, and maintain responsive applications using React.js and modern front-end technologies.
• Collaborate with UI/UX designers to transform wireframes and mockups into intuitive, user-friendly interfaces.
• Integrate RESTful APIs, GraphQL services, and third-party SDKs to deliver seamless application functionality.
• Write clean, maintainable, and well-documented code while adhering to established development standards and best practices.
• Participate in code reviews, troubleshoot application issues, optimize performance, and contribute to Agile ceremonies including sprint planning, daily standups, and retrospectives.

Skills

React.js

JavaScript

TypeScript

Redux

Context API

GraphQL

Agile

Performance optimization

Job description

About The Role

As a React Developer, you will make an impact by designing and developing modern, scalable, and high-performing web applications that deliver exceptional user experiences. You will be a valued member of the application development team and work collaboratively with UI/UX designers, backend developers, product owners, and other stakeholders to build innovative digital solutions.

Working arrangements

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 remote position. 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 as business and client requirements. Rest assured; we will always be clear about role expectations.

Important Disclaimers

• Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
• Candidate must be legally authorized to work in Canada without the need for employer sponsorship, now or at any time in the future.

In This Role, You Will

• Design, develop, and maintain responsive applications using React.js and modern front-end technologies.
• Collaborate with UI/UX designers to transform wireframes and mockups into intuitive, user-friendly interfaces.
• Integrate RESTful APIs, GraphQL services, and third-party SDKs to deliver seamless application functionality.
• Write clean, maintainable, and well-documented code while adhering to established development standards and best practices.
• Participate in code reviews, troubleshoot application issues, optimize performance, and contribute to Agile ceremonies including sprint planning, daily standups, and retrospectives.

What You Need To Have To Be Considered

• 3+ years of professional experience developing applications using React.js.
• Strong proficiency in JavaScript and TypeScript.
• Hands-on experience with state management frameworks such as Redux or Context API.
• Experience integrating RESTful APIs and third-party libraries or SDKs.
• Familiarity with GraphQL and modern front-end development practices.
• Strong debugging, troubleshooting, and performance optimization skills.
• Experience working in Agile development environments.

These will help you stand out

• Experience building scalable, enterprise-grade web applications.
• Knowledge of front-end testing frameworks and automated testing practices.
• Familiarity with CI/CD pipelines and modern DevOps workflows.
• Understanding of application performance monitoring and optimization techniques.
• Strong collaboration and communication skills across cross-functional teams.

Salary And Other Compensation

The annual salary for this position is between $60,000 - $95,000 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.

This job posting is for an existing vacancy within the organization.

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.