Senior Java Developers

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Position Overview At CGI, we’re shaping the future of digital transformation — empowering clients to unlock new possibilities through robust, scalable, and secure software solutions. As a Senior Java Developer, you’ll play a pivotal role in driving innovation and ensuring seamless integration across complex systems that power large-scale programmes. You’ll work within an open, collaborative culture where you can influence design decisions, mentor others, and see your ideas brought to life. This is an opportunity to contribute to mission‑critical outcomes while being part of a team that values creativity, accountability, and continual learning.

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 either hold or be eligible for UK Security Clearance. This is a mainly remote position, with occasional travel as required.

Key Responsibilities

Lead and Innovate: Design and implement scalable backend solutions using Java and modern middleware technologies

Mentor and Support: Guide and develop junior team members through peer reviews, technical coaching and code quality initiatives

Collaborate and Deliver: Work closely with clients, architects, and delivery teams to ensure requirements are clearly defined and achieved

Develop and Optimise: Create clean, efficient, and secure code following best practices and coding standards

Integrate and Enhance: Contribute to API development and integration strategies that strengthen business systems

Assure and Improve: Conduct technical reviews, identify performance improvements, and ensure adherence to secure coding practices

Own and Influence: Take responsibility for key design decisions and act as a trusted technical partner to clients

Required Qualifications You should bring strong hands‑on experience in Java development with a focus on backend or middleware systems, along with a solid understanding of software design principles, testing, and modern DevOps practices. The ideal candidate will combine technical depth with a collaborative mindset and the ability to guide others while delivering high‑quality, maintainable solutions.

Essential Qualifications

Proven experience as a Java Developer, ideally in backend or middleware environments

Strong understanding of APIs, microservices, and functional programming principles

Experience with AWS, Kubernetes and containerised development

Proficiency with DevOps practices including CI/CD pipelines

Demonstrated ability to produce clean, maintainable and secure code

Strong communication skills with experience collaborating across technical and client‑facing teams

Experience mentoring or supporting less experienced developers

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Location:
Wideopen
Salary:
£100,000 - £125,000
Job Type:
FullTime
Category:
IT & Technology

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