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Contract Backend Java Developer role in London (remote with occasional infrequent office days). Requires Java and Spring Framework, knowledge of software design patterns and development processes, experience with containerisation using Docker or Kubernetes, and CI/CD. A commitment to TDD and high software quality; active SC clearance is required and onboarding may take longer due to vetting.

Contract C# Developer role focused on backend development with SQL, Ansible automation and related tools. The candidate will develop backend services in C#, work with SQL databases, APIs, and Kafka integration, and contribute to automation using Ansible in a banking environment. 5-month contract in Manchester, hybrid onsite, inside IR35, £350-375 per day.

SC Cleared Java Developer on a contract basis in the UK, developing Java-based microservices with APIs, using MongoDB or similar document databases. Onsite 3 days per week in Godmanchester (and other cities), start asap, end March 2027. Salary £400-£475 per day.

Contract/Temporary SC-cleared embedded software engineer role delivering real-time software for missile and defence subsystems; hands-on development in C, C++ (and Ada), RTOS; hardware/firmware integration; safety-critical standards DO-178B/C; 6-month contract; Inside IR35.

Contract Automation Engineer (SC Cleared) role focusing on AI-powered testing and intelligent automation. Join a high-impact team building a new QA capability using GenAI, RAG-based systems and AI-assisted tooling to shape testing at enterprise scale. Lead end-to-end test lifecycle across web, mobile, API, desktop and cloud environments; integrate QA into CI/CD and DevOps; and drive large-scale automation and optimisation outcomes. Hybrid role (50-60% on-site) in London/Leeds; active SC clearance may be required.

Contract Software Engineer (C / C++) in Stevenage for test equipment software development for missile systems. 12-month contract with likely extension, onsite 4 days per week (Mon-Thu) with hybrid/remote option, IR35 inside (Umbrella), £65/hr, two vacancies.

Embedded Software Engineer contract role with a world-class defence organisation, developing hard real-time software in C, C++ and Ada for missile subsystem products. 12-month contract (likely extension), onsite 4 days per week in Stevenage or Bolton, rate £65 per hour. IR35 inside (umbrella). Responsibilities include development and integration of embedded real-time software, RTOS knowledge, and working with ARM/RISC-V platforms; MISRA/SPARK knowledge advantageous.

World Class Defence Organisation is recruiting 2x Embedded Software Engineer subcontractors on an initial 12-month contract. Role: develop embedded, real-time software for missile subsystem software across multiple sources, targeting C, C++ and/or Ada; on-site 4 days per week (Mon-Thu). Location: Stevenage or Bolton. Hybrid/Remote noted but onsite requirement; IR35 inside. Skills include RTOS, RISC-V platforms, ARM, modern software practices, and standards such as DefStan 00-55, DO178B/C, MISRA / SPARK.

The Software Architect will be part of the Integration Portfolio DevOps team, responsible for designing and guiding delivery of modern, cloud-native, microservice-based solutions across client delivery groups and client portfolios. This hands-on architecture role focuses on defining scalable, reusable patterns for API-first and event-driven integration, microservices design and decomposition, CI/CD and DevOps pipelines, observability, monitoring and operational readiness. The role requires working directly with engineering teams to design, build, and deploy services on cloud platforms, ensuring non-functional requirements including scalability, resilience, performance and security, and providing technical leadership across multiple teams.

Remote Logi Analytics Developer for an automotive company on a 6-month contract (Outside IR35). Responsible for development and maintenance of Logi Analytics reporting, monitoring and troubleshooting data issues, and collaborating with US-based stakeholders; also requires experience with Power BI and Databricks or similar tools.