At CGI, we help shape the future of the UK’s most critical industries by delivering secure, mission-driven solutions that make a real-world impact. As a Software Developer, you will play a central role in creating and enhancing complex systems that keep the nation safe, while working in a culture that encourages innovation, ownership, and collaboration. This role offers the opportunity to work on high-profile projects, solve challenging problems, and contribute to initiatives that define industry transformation.
CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position is available in Gloucester, London, and Manchester.
In this role, you will design, develop, and deliver software solutions for mission-critical projects, taking ownership of technical challenges and contributing to the full development lifecycle. You will have the opportunity to innovate, enhance deployment environments, and provide support for live systems, ensuring our solutions deliver lasting value for clients.
You will collaborate with a cross-functional team, working closely with stakeholders to understand requirements and deliver practical, high-quality solutions. Your problem-solving mindset and adaptability will be key in supporting both new capabilities and the evolution of existing platforms.
Key responsibilities include:
• Design & Develop: Build secure, scalable software solutions across the full lifecycle.
• Innovate & Enhance: Configure, implement, and improve existing platforms.
• Support & Sustain: Maintain deployment environments and assist with live system changes.
• Collaborate & Deliver: Work with clients and colleagues to define and assure integrated solutions.
• Learn & Grow: Expand your skills across technologies while contributing to a culture of knowledge sharing.
Required qualifications to be successful in this role
You should bring proven software development expertise and a willingness to work across multiple technologies. A positive, adaptable approach and strong problem-solving skills are essential for success.
You should have experience in some of the following:
• Programming: Java, Python, JavaScript (TypeScript), Go
• Frontend Frameworks: Vue.js
• Scripting & Automation: Bash, Ansible
• DevOps & CI/CD: Jenkins, GitLab CI/CD, Terraform
• Cloud & Infrastructure: AWS
• Testing & Quality: Cucumber, SonarQube
• Monitoring & Logging: ELK Stack, Grafana
• Dataflow & Integration: Apache NiFi
Experience across multiple areas is desirable; a willingness to learn and contribute across the stack is key.
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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.
Come join our team—one of the largest IT and business consulting services firms in the world.