Senior Software Engineer - Geospatial Data (Contract) Location: Farnborough (3 days per week onsite) Contract Length: Initial 3-month contract IR35 Status: Outside IR35 Security Clearance: All candidates must be eligible for security clearance prior to appointment. We are seeking an experienced Senior Software Engineer with strong geospatial data experience to join a high-performing engineering team delivering advanced data-driven and navigation-focused solutions within a complex operational environment. This role is suited to a hands-on software engineer with experience designing and developing scalable applications and services that work with geospatial datasets, spatial databases, and mapping technologies. Experience within the maritime domain and optimisation-based problem solving would be highly beneficial. Key Responsibilities Design, develop, and maintain scalable software applications and services Work with large-scale geospatial and spatial datasets within distributed systems and processing pipelines Develop and optimise solutions using technologies such as PostGIS, ArcGIS, and related geospatial tooling Build and maintain APIs, backend services, and data processing components Support integration and handling of electronic navigation chart (ENC) data and other geospatial sources Collaborate with cross-functional engineering and domain teams to deliver robust, scalable solutions Contribute to software architecture, technical design, code quality, and engineering best practices Support optimisation, routing, and data-driven problem solving where required Required Experience Strong commercial experience as a Software Engineer / Senior Software Engineer Experience working with geospatial data, spatial databases, or mapping platforms Strong backend development experience using languages such as Python, Java, C++, or similar Experience developing scalable systems, APIs, and data services Knowledge of geospatial technologies such as PostGIS, ArcGIS, GDAL, GeoServer, or similar Experience working with cloud platforms and modern software engineering practices Strong problem-solving and communication skills Desirable Experience Maritime, navigation, or defence domain experience Experience working with Electronic Navigation Charts (ENC) or GIS standards Experience with optimisation, routing, or pathfinding problems Familiarity with containerisation and CI/CD tooling Previous experience working in secure or highly regulated environments