Role: Senior Software Engineer Locations: Gloucestershire Manchester London (Hybrid / Remote Options Available)Salary: 40,000 - 75,000 + Comprehensive BenefitsType: Full-time, PermanentPLEASE NOTE: This role requires UK citizenship and the ability to obtain high-level UK Security Clearance (typically requiring 10+ years of UK residency).Are you a skilled Software Engineer looking to apply your talents to mission-critical problems? Do you want to build secure, high-assurance systems that have a genuine impact on national security?On behalf of our client, a specialist UK technology company at the forefront of defence and cyber security innovation, we are seeking a talented Software Engineer to join their core team. This is an opportunity to work on innovative projects within a culture that blends enterprise-grade engineering with the agility of a start-up.The Role:As a Software Engineer, you will be integral to the design, development, and maintenance of secure, scalable software platforms for government and defence clients. You''ll work within multi-disciplinary teams, contributing to the entire software lifecycle while upholding the highest standards of engineering and security.Key Responsibilities:Design, build, and maintain robust and secure software solutions.Collaborate with teams across cloud, data, and infrastructure domains.Contribute to all phases of the software development lifecycle.Uphold and advocate for strong engineering, testing, and security principles.Technol