Java Developer (Security Clearance)
Location: Leatherhead, England, United Kingdom
Employment Type: Full Time
Position Description
At CGI, we deliver secure, mission‑critical systems that protect national interests and enable smarter decision‑making across space, defence and intelligence. In this role, you will help shape high‑impact solutions by building resilient Java services that transform complex data into meaningful insight for end users. Working within a collaborative, agile environment, you’ll have real ownership of outcomes, the freedom to innovate and the support to grow your expertise while contributing to programmes that truly matter.
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 must hold UK Security Clearance or be eligible to go through this clearance. This role is five days a week working in the Leatherhead Office.
Key Responsibilities
* Design, build and test secure Java‑based web services that interrogate and manipulate multiple data sources, delivering correlated information to front‑end applications.
* Work within a SAFe Agile framework, contributing to iterative delivery across structured sprints, taking ownership of your work while collaborating closely with other developers, testers and stakeholders in a fast‑moving environment.
* Be encouraged to think creatively, adapt to changing requirements, and continuously improve solution quality.
* Help ensure reliable delivery across development and, where required, production support activities.
Essential Qualifications
* Strong experience developing and automated testing of Java services.
* Recent hands‑on experience building RESTful APIs.
* Excellent teamwork and communication skills.
* Sole UK nationality with active SC Clearance (no unrestricted travel permits).
* Willingness to work full‑time from CGI’s Leatherhead office (5 days per week).
Desirable Experience
* Front‑end development exposure (e.g. React with Jest).
* JUnit and integration testing tools such as ReadyAPI.
* Git for source‑code management.
* REST APIs using OpenAPI and JSON.
* SQL and PL/SQL scripting against Oracle databases.
* CI/CD tooling such as GitLab Runner or Jenkins.
Nice to Have
* Selenium for front‑end integration testing.
* Understanding of SOAP services and Oracle SOA.
* Experience supporting production environments and release activities.
Skills
* Git
* Java
* RESTful (REST‑APIs)
What You Can Expect From Us
Life at CGI is rooted in ownership, teamwork, respect and belonging. 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.
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