CGI
Java Developers (all levels)
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Position Description
At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Developer, you’ll play a pivotal role in designing and developing scalable, resilient back-end systems using the latest Java and microservices technologies. You’ll collaborate with skilled professionals who take ownership of their work, share ideas freely, and are empowered to create solutions that make a lasting difference. This is an opportunity to contribute to a variety of major national UK Government programmes where innovation, teamwork, and continuous learning come together to deliver meaningful results for our clients and UK helping improve UK citizens' lives.
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 our work programmes, you will need to hold UK Security Clearance or be eligible to go through this clearance. These roles will be predominately hybrid with some work based in UK CGI or client offices depending on the specific programme. Travel away from base office will be expensed.
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In your role as a Java Developer/Software Engineer, you will design, develop, and maintain secure, high-performing Java applications that underpin key public services. Working collaboratively within a cross-functional team, you’ll help shape modern architectures using microservices and cloud-native technologies to deliver scalable, maintainable systems. You’ll contribute to all stages of the development lifecycle, from technical design and implementation through to testing and optimisation.
You will be encouraged to take ownership of your work, bring forward creative ideas, and leverage the support of a highly experienced team that values collaboration and continuous improvement.
Key responsibilities will include:
- Design and Develop: Build and enhance Java-based microservices using Spring Boot and related frameworks
- Collaborate and Deliver: Work closely with developers, architects, and testers to ensure technical excellence and timely delivery
- Optimise and Innovate: Improve performance, scalability, and maintainability of systems through continuous iteration
- Contribute and Support: Participate in agile ceremonies, share knowledge, and support a culture of quality and innovation
- Secure and Maintain: Ensure all solutions meet strict security and compliance requirements
Required Qualifications To Be Successful In This Role
You should have experience developing large-scale enterprise applications using Java and microservices frameworks, alongside a solid understanding of secure, scalable system design. You’ll bring an analytical mindset, collaborative approach and a drive to deliver high-quality code that meets user and business needs. We are looking for candidates who have experience of either back end, front end or, ideally, full stack software and application development and engineering.
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Required experience:
- Proven experience as a Java Developer or Software Engineer working at SFIA level 3,4 or 5
- Strong proficiency in Java, Spring Boot, and RESTful API development
- Experience with microservices architecture and containerisation (e.g., Docker, Kubernetes)
- Familiarity with Agile/Scrum methodologies and CI/CD pipelines
- Understanding of cloud environments (AWS/Azure/GCP) and DevOps principles
- Experience of WSO2 would be a positive benefit but is not essential
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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.
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