Full Stack Software Engineer - National SecurityLocation: Manchester (Hybrid - 2 days onsite per week)Salary: £50,000 + benefitsClearance: Active SC clearance required (must be eligible to undergo high levels of security clearance)About the RoleSanderson Government andamp; Defence is supporting a highly respected technology and engineering organisation delivering mission-critical solutions into the UK National Security domain.This is an opportunity to work on impactful, cutting-edge systems that protect people, platforms, and sensitive information against evolving threats. You''ll be developing innovative products at the intersection of digital and physical systems, contributing to projects that genuinely make a difference.What You''ll Be DoingDesigning, developing, and maintaining full stack applications using modern technologiesWriting clean, secure, and test-driven codeBuilding scalable APIs and integrating UI components with complex data systemsTranslating high-level designs into robust technical solutionsContributing to system architecture, including data ingest pipelines and data storesCollaborating within Agile teams (stand-ups, sprint planning, demos)Engaging with stakeholders to understand user needs and shape technical solutionsSupporting continuous improvement and adoption of emerging technologiesKey Skills andamp; ExperienceStrong Java development experience, ideally with Spring BootFrontend experience with React, Vue, or AngularExperience with test-driven develop