Women in Tech
Java Software Engineer
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Position Description
At CGI, you'll help deliver secure, mission-critical solutions where resilient technology and high-quality data make a meaningful difference. As a Java Developer within our Space, Defence and Intelligence business, you'll take ownership of developing robust web services and RESTful APIs that transform complex data into valuable information for front-end applications. Working within a collaborative SAFe Agile environment, you'll have the freedom to solve evolving challenges creatively, contribute ideas and continuously develop your expertise alongside experienced colleagues. This is an opportunity to make a tangible contribution to high-value client programmes while building dependable solutions in a supportive team where your expertise and initiative are valued.
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 this programme, candidates must be sole UK Nationals who are eligible for UK Security Clearance or already hold this clearance. This position will require 5 days a week working out of the CGI Leatherhead office.
Your future duties and responsibilities
In this role, you will take ownership of designing, developing and testing Java services that interrogate and manipulate data sources, turning complex information into reliable services for front-end applications. You'll develop RESTful APIs and contribute throughout the software delivery lifecycle, applying automated testing to ensure solutions are robust, secure and maintainable.
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Working within a collaborative SAFe Agile delivery environment, you'll contribute across three-week sprints, respond pragmatically to changing requirements and use your creativity to solve new technical challenges. You'll be supported by colleagues with varied expertise while having the opportunity to share your own ideas, improve delivery practices and expand your technical capabilities. Depending on programme requirements, you may also help support production releases and respond to technical queries from the On Site Support Team.
- Develop & Deliver - Build robust Java services and RESTful APIs that interrogate, manipulate and correlate data.
- Test & Assure - Develop automated unit and integration tests to maintain high standards of software quality.
- Own & Improve - Take responsibility for your solutions from development through testing and delivery, identifying opportunities for continuous improvement.
- Collaborate & Adapt - Work closely with Agile colleagues to respond effectively to changing requirements and priorities.
- Integrate & Optimise - Work with databases, APIs and supporting technologies to create reliable end-to-end solutions.
- Support & Resolve - Contribute to production support, release packages and technical problem-solving where required.
- Learn & Contribute - Share ideas and expertise while developing your skills through collaboration with CGI colleagues.
Required Qualifications To Be Successful In This Role
You should be an experienced Java Developer with strong hands-on experience developing and automatically testing Java services, including recent experience creating RESTful APIs. You'll combine technical capability with clear communication, collaborative working and a pragmatic, delivery-focused approach. You should be comfortable adapting as requirements evolve and motivated to learn new technologies and approaches.
Essential
- Strong experience developing and automatically testing Java services.
- Recent hands-on experience developing RESTful APIs.
- Proven ability to deliver high-quality software within an Agile development environment.
- Strong team-working and communication skills.
- A pragmatic, adaptable and delivery-focused approach to changing requirements.
- Sole UK National status and existing SC Clearance.
- Ability to work from CGI's Leatherhead office five days per week.
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Desirable
- Experience developing front-end applications using React and testing frameworks such as Jest.
- Experience with JUnit and integration testing tools such as ReadyAPI.
- Strong working knowledge of Git.
- Experience developing RESTful APIs using OpenAPI and JSON.
- SQL and PL/SQL experience, including scripts that interrogate Oracle databases.
- Experience with CI/CD platforms such as GitLab Runner or Jenkins.
- Knowledge of Linux.
- Experience with Selenium for front-end integration testing.
- Understanding of SOAP services and/or legacy Oracle SOA composites.
- Experience supporting production environments and creating release packages.
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.
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