Java Developer jobs in United Kingdom

Roke, Roke Manor, Romsey, Hampshire, United Kingdom

Posted Wednesday 14 January 2026 at 01:00

Great ideas come from different minds. That’s why we bring together engineers, scientists, analysts, and creatives from every background — and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most.
And as the challenges evolve, so do we — working on the technologies that will shape tomorrow, not just today.

Roke imagines a more secure world where technology protects, where engineers, consultants, and business staff collaborate to protect what matters most to our clients.

Roke is a leader in the development of cutting‑edge technology solutions for the defence industry with clients spanning National Security, Defence and Intelligence areas. We work alongside our customers to solve their complex and unique challenges.

Roke’s Defence Business Unit provides technology innovation and consultancy to a variety of military users, applying our skills in Cyber & Networks, Agile Software, Consulting & Systems Engineering, Sensors & Communications, AI & Machine Learning, Information Assurance & Human Science and Data Science.

Roke is seeking a Software Engineer to join a team working on software for products in the RF communication and sensors domain. You identité will be responsible for the detailed design, implementation, and testing of components of the product software, working with the agile team Product Owner and System Design Authority.

The role requires individuals who can work closely with an agile software team, applying their technical knowledge and domain experience, whilst communicating effectively with a wide range of internal and external stakeholders. There is a degree of flexibility as to the agile tasking within the agile software team, depending on your expertise, that the role can flex to focus either on Modern UI design and implementation or Embedded software development.

For the right candidate with team leadership or line management experience, the role could also entail a line management component. This aspect would involve responsibility for the day‑to‑day support and guidance of his team, reporting on performance and helping with resourcing.

Individuals must be able to work effectively in a highly technically challenging but rewarding environment, able to quickly assess trade‑offs and leadൈ on technical decision making.

As a Software Engineer your responsibilities will include:

• Detailed design of components of the product software
• Implementation and testing of software as part of an agile software team Gaining understanding of existing Roke EW system products and future development agendas.

• BEng/BSc and/or master’s degree in an appropriate engineering, computer science, information systems or related subject.
• Knowledge of Sensor and Communication systems.
• Software engineering experience from R&D concept through to the full product development lifecycle.
• Modern software architecture practices.
• Experience of some kind of scientific application/DSP, including algorithm implementation.
• Capability in multiple languages and switching between languages rapidly, e.g. C++/C#/Python.
• Comfortable with modern agile development practices e.g. Scrum/Kanban.
• Comfortable with modern software tooling e.g. Gitlab, Git, VS Code.

• Experience of modern UI design.
• Embedded software development (cross‑compiling, deployment).
• Linux OS and tools, kernel drivers.
• DevOps (GitLab CI/CD scripting, pipelines, Docker).
• Team Leadership or Line Management experience.

We have a competitive salary and access to a number of additional flexible benefits, which will cover Health and Wellbeing, Savings and Protection and Life, Leisure and Entertainment.

Roke has a great community of groups with shared interests. procesa enable people to share ideas and become passionate about tools, technologies and techniques, which interest them.

We are committed to a policy of Equal Opportunity, Diversity and Inclusion. Our working environment is friendly, creative and inclusive. We will consider flexible working arrangements and support a diverse workforce and those with additional needs.

Due to the nature of this position, we require you to be willing and eligible to achieve a minimum of SC clearance. To qualify, the candidate should be a British Citizen and have resided in the UK for the last 5 years for SC.

Click apply, submitting an up‑to‑date CV. We look forward to hearing from you.

Roke, Roke Manor, Romsey, Hampshire, United Kingdom