Lead React Developer

Job summary

Lead the design, development, and delivery of scalable web applications using React.js and Node.js. Collaborate with stakeholders and cross-functional teams to drive architecture decisions and mentor development staff.

Job details

About The Role As a Lead React Developer (React.js & Node.js), you will make an impact by leading the design, development, and delivery of modern web applications that provide exceptional user experiences. You will be a valued member of the delivery team and work collaboratively with architects, business stakeholders, client teams, and cross-functional technology partners to build scalable digital solutions. 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. Note: Certain roles may require candidates to attend in-person interviews at Cognizant offices or client locations, depending on project requirements. In This Role, You Will Lead the development of responsive, scalable, and high-performing web applications using React.js and Node.js. Collaborate with business stakeholders and technical teams to translate requirements into innovative technology solutions. Drive front-end architecture decisions, coding standards, and development best practices across the delivery team. Design and consume APIs while ensuring seamless integration across applications and enterprise systems. Leverage AI-powered development tools, including GitHub Copilot, to accelerate development productivity, code quality, and troubleshooting. Support CI/CD implementation and DevOps practices to enable efficient and reliable software deployments. Mentor development team members and contribute to technical problem solving across the application lifecycle. Work model 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 3 days in a client or Cognizant office in Toronto, Ontario, Canada. 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. What You Need To Have To Be Considered 10+ years of IT with Strong hands-on experience developing enterprise applications using React.js and Node.js. Experience leading UI development initiatives and collaborating with distributed delivery teams. Solid understanding of REST APIs, microservices, and application integration patterns. Experience working with modern software development practices, including CI/CD pipelines and DevOps methodologies. Hands-on experience using AI-assisted development tools such as GitHub Copilot to improve development efficiency and code quality. Strong problem-solving, debugging, and analytical skills. Excellent communication and stakeholder management skills. These will help you stand out Experience working in cloud environments such as Azure or AWS. Familiarity with containerization technologies such as Docker and Kubernetes. Understanding of modern front-end architecture, performance optimization, and security best practices. Experience guiding technical design discussions and influencing engineering decisions. Knowledge of Agile development methodologies and distributed team environments. Bachelor’s degree in computer science, IT or equivalent Applications will be accepted till September 28th, 2026. Total Compensation We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between CAD $74,250 to $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. Applications for this position are reviewed by our recruitment team without the use of artificial intelligence screening tools.

What you’ll do

Lead the design, development, and delivery of scalable web applications using React.js and Node.js. Collaborate with stakeholders and cross-functional teams to drive architecture decisions and mentor development staff.

Requirements

Requires 10+ years of IT experience with strong hands-on expertise in React.js and Node.js. Candidates must be legally authorized to work in Canada without sponsorship.

Benefits

• Performance-based bonus • Wellbeing programs • Work-life balance support

Listed skills

• Microsoft Azure · Preferred
• Kubernetes · Preferred
• Node.js · Preferred
• CI/CD · Preferred
• Problem solving · Preferred
• Docker · Preferred
• Agile · Preferred
• Amazon Web Services · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• React.js
• Node.js
• Web development
• API design
• CI/CD
• DevOps
• GitHub Copilot
• Microservices
• Cloud environments
• Azure
• AWS
• Docker
• Kubernetes
• Agile
• Technical leadership
• Problem solving

Job areas

• Technology
• Software
• Consulting
• Engineering
• Management & Leadership