Senior Software Engineer - Frontend

Join CGI! Would you like to be part of one of the world's five largest IT and business process services companies? At CGI, we are looking for a Senior Software Engineer - Frontend to join an international project. Requirements: Bachelor’s degree in Computer Science, Software Engineering, Information Systems or a related field. Conversational English level B2 or higher. 6+ years of experience as a Frontend Software Engineer or in related technical roles. React.js development experience. Strong JavaScript expertise, including ES6+ features and asynchronous programming (Promises, Async/Await). Experience building modern web applications using frontend frameworks (React preferred). GraphQL experience. Modern CSS development skills. Git or distributed version control experience. Experience debugging and optimizing applications across modern browsers. Experience developing responsive and mobile-friendly applications. Strong understanding of frontend software engineering best practices. Experience working in a testing-focused engineering culture. TypeScript. Node.js development. Performance tuning and optimization of browser-based applications. Cypress testing framework. Jest testing framework. Responsibilities: Design, develop, and maintain modern web applications using React and JavaScript. Build responsive, scalable, and high-performance user interfaces. Collaborate closely with Product Managers, UX/UI Designers, and Engineering teams to deliver new features and enhancements. Develop and consume GraphQL APIs to support frontend functionality. Optimize application performance, accessibility, and user experience across browsers and devices. Write clean, maintainable, and testable code following engineering best practices. Participate in code reviews, architecture discussions, and technical design sessions. Build and maintain Single Page Applications (SPAs). Debug and resolve issues across modern browsers including Chrome, Safari, and mobile browsers. Contribute to automated testing strategies and quality assurance efforts. Nice to have: Single Page Application (SPA) architecture experience. Master Data Management (MDM) platform experience. Experience with data integration frameworks and APIs. Experience supporting modernization of legacy systems. Additional Skills: Strong frontend engineering expertise with deep React knowledge. Product-minded approach with the ability to collaborate closely with Product and Design teams. Quality-focused mindset with a passion for testing, maintainability, and user experience. Apply now! Your future duties and responsibilities Required Qualifications To Be Successful In This Role 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. That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals. Come join our team—one of the largest IT and business consulting services firms in the world.