Location: Bristol (mostly onsite)Duration: 12 month initial contractRate: 65ph UMB (Inside IR35) Role details:Our client, a leading defence company, are looking for experienced Software Engineers to join their teams in Bristol. This is a highly hands-on Software Engineering role focused on the design and development of Command and Control architectures and their implementation within future Air Defence products. You will play a key part in shaping system behaviour from concept through to deployment. This role is ideal for a proactive engineer who enjoys taking ownership, driving technical solutions, and contributing to the evolution of both products and processes. Key Responsibilities:Design, develop, and evolve Command and Control software architectures for current and future systemsImplement robust, high-integrity software solutions with a strong awareness of system-wide impactsCollaborate closely with multidisciplinary teams to deliver high-quality, maintainable softwareEngage across the full software lifecycle, from requirements definition through implementation, verification, and automated provingProduce clear, effective technical documentation to support development and assurance activitiesContribute new tools, techniques, and ways of working to improve efficiency, sustainability, and engineering maturity Skills and Experience required:Essential:Strong background in software engineering, with a clear understanding of system-level impactsProven experience developing soft