Software Engineer - Python Rate: Up to 600 per day (Inside IR35) Location: London - 2 days onsite per week (SC), increasing to 3 days onsite once HLC is granted Clearance: SC minimum - Sole UK National - Must be eligible and willing to undergo DV clearance Contract Length: 12 months The Role We are working with a high-profile public sector programme delivering critical national infrastructure (CNI) services. They are looking for two experienced Software Engineers to join a growing delivery team. This role can be undertaken initially at SC level. Successful candidates will be sponsored for HLC as part of the assignment, with the expectation that they will progress to DV clearance. You will work within a modern data and API-driven environment, contributing to the design, build, and deployment of secure backend services that support large-scale data platforms. Key ResponsibilitiesDesign and build secure, scalable backend services using Python and FastAPIDevelop and maintain data pipelines and data engineering solutionsWork closely with platform, DevOps, and security teamsContribute to system design, documentation, and continuous improvementSupport deployment into secure cloud and containerised environments Essential SkillsStrong Python development experienceCommercial experience with FastAPIData Engineering and data pipeline development Desirable Skills and Experience Deployment and InfrastructureDockerOpenShiftAWS EKSTerraform Clearance and Eligibility RequirementsActive SC cle