Java Software Engineer (National Security)

Job DescriptionSoftware Engineer | Building Intelligent Systems That Make an ImpactCentral London4 or 5 days a week on siteExisting SC or DV Clearance is requiredNational 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.

Skilled in producing robust, readable, and scalable codeAdaptable and eager to master new technologies or unfamiliar environmentsExcellent communicator who thrives in cross-functional collaborationEngaged participant in agile processes, including stand-ups and sprint reviewsComfortable taking projects from initial concept through to deliveryAnalytical thinker who can decompose challenges and deliver iterative value Preferred Background Experience using Java, C++, or PythonUnderstanding of data-intensive systems, backend services, or cloud-based platformsFamiliarity with regulated, high-security, or mission-critical development contextsConfidence working in research-led or exploratory project settingsCuriosity about artificial intelligence, public sector innovation, or national security technologyInterest 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.