Senior Software Engineer Location: Gloucester (hybrid - typically 3 days onsite) Contract: 12 months (strong likelihood of extension) Rate: £54 per hour umbrella IR35: Inside IR35 Sector: Engineering/Aerospace The Opportunity We are looking for a Senior Software Engineer at an early-mid stage in their career who is ready to take on greater technical ownership and leadership, while remaining fully hands-on.This role is suited to someone who has moved beyond task-based delivery and is now comfortable owning systems or features end to end, guiding others, and helping shape how software is built and maintained.You''ll work on practical, production software that supports engineering teams day to day. While some solutions use data-driven or automation techniques (including AI/ML), the role is fundamentally about strong software engineering, sound judgement, and reliability. What You''ll Be Doing Hands-on software engineering Design, build, test and maintain robust software solutions Take ownership of existing systems, improving reliability and maintainability Diagnose and resolve issues in live environments Emerging technical leadership Act as a local technical point of contact within the team Support and guide junior engineers and apprentices on day-to-day work Contribute to technical decisions and promote good engineering practice System and data integration Work with databases, data pipelines and system integrations Ensure data quality, consistency and traceability acr