£65 UMB Overview of the opportunity: The team is implementing a demonstration system for a complex new Command and Control application, which extends existing concepts and logic. If the demonstration is successful, it may develop into a project for a fully operational capability. Were looking for an engineer who enjoys turning system needs into working software, working closely with domain specialists, and delivering capabilities in short timescales. Responsibilities: Application development and testing, including sophisticated business logic. Collaborating with internal algorithm teams to integrate algorithms, implement complex transformation logic, test and verify. Implementing and integrating interfaces with other subsystems and external simulators. Building and extending components within an existing software application framework and deploying into a virtualised test environment. Skill and experience required: Experience in developing application-level software (C++, C#, Java or similar). Familiarity with CI/CD pipelines and modern software engineering practices. Knowledge of Data Distribution Service (DDS) is advantageous. Defence industry experience is advantageous. Why this role might appeal to you: You want to make tangible software products with a visible impact on project outcomes. You like working where systems design, algorithms and software implementation meet.