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 & 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 Doing

• Designing, developing, and maintaining full stack applications using modern technologies

• Writing clean, secure, and test-driven code

• Building scalable APIs and integrating UI components with complex data systems

• Translating high-level designs into robust technical solutions

• Contributing to system architecture, including data ingest pipelines and data stores

• Collaborating within Agile teams (stand-ups, sprint planning, demos)

• Engaging with stakeholders to understand user needs and shape technical solutions

• Supporting continuous improvement and adoption of emerging technologies

Key Skills & Experience

• Strong Java development experience, ideally with Spring Boot

• Frontend experience with React, Vue, or Angular

• Experience with test-driven development and modern testing frameworks

• Strong understanding of APIs, microservices, and system integration

• Ability to produce clear technical documentation and designs

• A proactive mindset with a willingness to learn and adapt to new technologies

Desirable Experience

• Exposure to cloud platforms, DevOps, or platform engineering

• Experience working in secure or regulated environments

• Interest in AI, data science, or cybersecurity domains

What's on Offer

• Salary of £50,000 plus a comprehensive benefits package

• Hybrid working model (Manchester-based, 2 days onsite)

• Long-term project work within the National Security sector

• Opportunities for professional growth and upskilling in emerging technologies

• The chance to work on meaningful, high-impact systems

Important InformationDue to the nature of the work, candidates must hold active SC clearance and be eligible to undergo high levels of security clearance.

If you're a curious and driven engineer looking to apply your skills to complex, real-world challenges, we'd love to hear from you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.