SeniorSoftwareDeveloper

**Date Posted:** 2026-05-13 **Country:** United Kingdom **Location:** Warminster, Wiltshire **Position Role Type:** Hybrid Raytheon UK is searching for a Senior Software Engineer to join our OMNIA® Training team. As Senior Software Engineer, you will be critical to the successful delivery of the programme, collaborating within matrix organisation across multi-disciplinary teams to develop and maintain cloud-hosted systems and services. We are looking for a skilled and proactive Senior Software Developer focused on hands-on full stack engineering, building scalable, secure, and cloud-native applications that support the programme’s strategic goals. OMNIA are redefining the British Army’s collective training. To do that, we are looking for the best and brightest minds from across the UK. We are backed by British innovation and powered by world-class experts, like you. You must be eligible and willing to obtain **SC clearance** and will be based at **Warminster** working in a **hybrid style.** **Key Responsibilities:** * Build secure and performant backend services using languages like Node.js, Python, Java, or .NET Core/.NET 5+. * Integrate APIs, databases, and third-party services, ensuring seamless data flow and system interoperability. * Develop and maintain robust frontend interfaces using modern frameworks (e.g., React, Angular). * Design, build, and maintain scalable software solutions with a cloud-first mindset, leveraging cloud-native services and infrastructure. * Use Docker and Kubernetes to containerise applications for consistent development, testing, and deployment across environments including Red Hat OpenShift. * Implement Infrastructure as Code (IaC) using tools * Automate build, test, and deployment processes using tools like Jenkins, GitHub Actions, Tekton, or Azure DevOps. * Establish and maintain automated test suites for unit, integration, and end-to-end testing. **Required Skills and Experience** * Experience with full-stack development using mod