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Java Software Engineer (National Security)

Java Software Engineer (National Security)

On site

Cheltenham, United kingdom

£ 110,000 /year

Full Time

21-01-2026

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Skills

Java Research Autonomy Agile Artificial Intelligence

Job Specifications

Software Engineer | Building Intelligent Systems That Make an Impact

Cheltenham

4 or 5 days a week on site

Existing DV Clearance is required

National Security Sector

An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful, mission-driven technology. The role offers the chance to contribute to projects such as AI-powered tools for analysts and operators, secure data pipelines, and innovative prototypes that explore new frontiers in software capability.

You’ll become part of a tight-knit, highly capable engineering group that values independence, precision, and tangible outcomes. This is a place for people who enjoy solving complex problems, experimenting with new ideas, and seeing the real-world effects of their work.

Key Skills and Attributes

Skilled in producing robust, readable, and scalable code
Adaptable and eager to master new technologies or unfamiliar environments
Excellent communicator who thrives in cross-functional collaboration
Engaged participant in agile processes, including stand-ups and sprint reviews
Comfortable taking projects from initial concept through to delivery
Analytical thinker who can decompose challenges and deliver iterative value

Preferred Background

Experience using Java,
Understanding of data-intensive systems, backend services, or cloud-based platforms
Familiarity with regulated, high-security, or mission-critical development contexts
Confidence working in research-led or exploratory project settings
Curiosity about artificial intelligence, public sector innovation, or national security technology
Interest in influencing technical direction and supporting team evolution over time

This role is ideal for someone who wants to push boundaries, collaborate with talented peers, and build software that delivers genuine impact. You’ll have the autonomy to explore, innovate, and shape solutions that matter.

About the Company

Everything we do at Frontier Resourcing is about partnering you with the best talent. We do this thanks to our skills, our knowledge and being able to provide clear and innovative solutions to your hiring. Our purpose is ultimately delivering talent solutions that improves your business. Discover how a partnership with Frontier Resourcing will allow you to build effective teams that drive successful change. Get in touch today - info@frontierresourcing.com Know more