Senior Full Stack Developer (Node.js, React.js, GraphQL)

Cognizant; Halifax; Hybrid; CAD 124,000 - 138,000; Full time

Job summary

Cognizant is seeking a Senior Full Stack Developer to design, develop, and enhance scalable web applications and APIs using Node.js, React.js, and GraphQL. You will collaborate with architects, product owners, and UX designers to deliver high-quality digital solutions.

In this hybrid role, expect 2-3 days per week in an office environment, with flexible arrangements and a focus on work-life balance. The position offers a competitive salary and Cognizant’s incentive program based on performance.

Qualifications

• Strong hands-on experience developing backend applications with Node.js.
• Proven experience building modern frontend applications using React.js.
• Experience designing and implementing GraphQL APIs and schema development.
• Solid understanding of RESTful services, API integration, and web application architecture.
• Experience with asynchronous programming, performance optimization, and application troubleshooting.
• Strong problem-solving skills and ability to work in Agile development environments.
• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs using Node.js.
• Build responsive and user-friendly web applications using React.js.
• Develop and consume GraphQL APIs while ensuring performance, security, and maintainability.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Optimize application performance, troubleshoot production issues, and drive continuous improvement initiatives.

Skills

Node.js

React.js

GraphQL

REST APIs

Asynchronous programming

Agile methodologies

Problem-solving

Education

Bachelor's degree in Computer Science or related field

Tools

Cloud platforms (AWS/Azure/GCP)

CI/CD

DevOps practices

TypeScript

DataLoader

Job description

Senior Full Stack Developer (Node.js, React.js, GraphQL)

About the role

As a Senior Full Stack Developer, you will make an impact by designing, developing, and enhancing scalable web applications and APIs using modern frontend and backend technologies. You will be a valued member of the engineering team and collaborate closely with architects, product owners, UX designers, and fellow developers to deliver high-quality digital solutions.

In this role, you will:

• Design, develop, and maintain scalable backend services and APIs using Node.js.
• Build responsive and user-friendly web applications using React.js.
• Develop and consume GraphQL APIs while ensuring performance, security, and maintainability.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Optimize application performance, troubleshoot production issues, and drive continuous improvement initiatives.
  

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 2-3 days per week in a Cognizant office. 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 are 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

• Strong hands-on experience developing backend applications with Node.js.
• Proven experience building modern frontend applications using React.js.
• Experience designing and implementing GraphQL APIs and schema development.
• Solid understanding of RESTful services, API integration, and web application architecture.
• Experience with asynchronous programming, performance optimization, and application troubleshooting.
• Strong problem-solving skills and ability to work in Agile development environments.
• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
  

These will help you stand out

• Experience working with microservices-based architectures.
• Knowledge of GraphQL performance optimization techniques, including DataLoader and query optimization.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
• Familiarity with CI/CD pipelines, automated testing, and DevOps practices.
• Experience with TypeScript and modern frontend development tools.

Compensation

The annual salary for this position ranges from $90,000 to $100,000, depending on experience and qualifications. This role is also eligible for Cognizant’s discretionary annual incentive program, subject to performance and applicable plan terms.

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.