Senior Web Developer, React

Position Description

We are seeking a Senior Web Developer with strong expertise in React to join our CGI offices in Atlantic Canada. This is a full-time, permanent position requiring 10+ years of experience in software development. In this role, you will design, develop, and deliver modern, scalable web applications while contributing across the full software development lifecycle.

This is a permanent fulltime, hybrid position requiring 2-3 days onsite at our Atlantic Canada offices- Halifax, NS; Moncton, NB; Fredericton, NB; Stratford, PEI or St. John’s, NL.

Your future duties and responsibilities

• Design, develop, and maintain modern web applications using React and other JavaScript frameworks
• Build scalable and maintainable front-end architectures, including single-page applications (SPAs)
• Develop responsive, accessible, and high-quality user interfaces using modern JavaScript (ES6+) and CSS techniques
• Collaborate closely with Product, Design, and engineering teams to deliver innovative and user-centric features
• Integrate front-end applications with backend systems and APIs using GraphQL
• Debug and optimize applications across modern browsers including Chrome, Safari, and mobile browsers
• Improve application performance, scalability, and overall user experience
• Contribute to testing strategies and support a culture that values quality and automated testing
• Participate in code reviews and maintain engineering best practices
• Work with Git and distributed version control systems to support collaborative development
• Participate in Agile development processes and contribute throughout the SDLC
• Mentor junior developers and contribute to continuous improvement initiatives

Required Qualifications To Be Successful In This Role

• 10+ years of software development experience
• Strong experience building web applications using React and modern JavaScript frameworks (React preferred)
• Proficiency in JavaScript, including ES6+ features, asynchronous programming, and Promises
• Strong understanding of HTML5, CSS3, and modern CSS practices
• Experience with GraphQL and API integrations
• Experience building and debugging applications across modern browsers and mobile platforms
• Experience with Git or other distributed version control systems
• Experience developing single-page applications (SPAs)
• Familiarity with testing practices and working within teams that prioritize software quality
• Bachelor’s degree in Computer Science or related technical field, or equivalent practical experience

Preferred Qualifications

• Experience performance tuning JavaScript and browser-based applications
• Experience working closely with Product and Design teams to deliver impactful features
• Hands-on experience with testing frameworks and tools such as Cypress and Jest
• Experience with server-side JavaScript using Node.js
• Proficiency in TypeScript

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $65,000–$125,000. This role is an existing vacancy.

Together, as owners, let’s turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partne…