Senior Software Engineer (Full Stack)

At CGI, our Full Stack Software Engineers deliver impactful, end-to-end solutions that enable organisations to innovate, scale, and succeed in a digital-first world. You’ll help shape modern digital services, combining front-end creativity with back-end engineering excellence to deliver real business value. You’ll work in a collaborative environment that encourages ownership, supports continuous development, and empowers you to explore new ideas, ensuring the solutions you build make a lasting difference for clients and communities.

Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential.

Your future duties and responsibilities: In this role, you will design, build, and deliver secure, scalable full stack applications that power critical client services. You’ll take ownership across the full development lifecycle, from shaping architecture and user experiences through to deployment and optimisation, combining modern front-end frameworks with robust back-end engineering to deliver high-quality outcomes. You’ll collaborate with multidisciplinary teams and clients to turn ideas into impactful solutions, contributing creative thinking while ensuring alignment with business and user needs. You’ll be supported in continuously developing your skills while helping drive innovation and delivery excellence.

Key responsibilities:

• Design end-to-end full stack applications
• Build and integrate RESTful APIs and microservices
• Enhance responsive user interfaces using modern frameworks
• Develop cloud-native solutions across AWS, Azure, or GCP
• Ensure quality and security through testing and engineering best practices
• Collaborate with cross-functional teams and stakeholders
• Implement CI/CD pipelines and deployment workflows
• Improve application performance and reliability

Required qualifications to be successful in this role: You should bring strong full stack engineering experience, with the ability to work across both front-end and back-end technologies. You’ll have a solid understanding of modern development practices and be confident delivering secure, scalable solutions within Agile, collaborative environments.

Essential qualifications:

• Proven experience as a Full Stack Engineer
• Strong proficiency in TypeScript and Java or Python
• Experience with modern front-end frameworks (React, Angular, or Vue)
• Solid understanding of RESTful APIs and microservices architecture
• Experience with cloud platforms (AWS, Azure, or GCP)
• Familiarity with Docker and Kubernetes
• Experience working in Agile environments with CI/CD practices
• Strong problem-solving and collaborative working skills

What you can expect from us: 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. 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.