SC Cleared Software Developer (.Net) Full Time

Hays are now looking for an SC Cleared Software Developer for one of our local clients:

• 600 p/d Inside IR35
• 1-2 Days onsite, rest is WFH
• Location is Cardiff
• Must hold current SC Clearance

You’ll join an Agile delivery team, building and supporting secure, high-quality software services used by internal and external users. Working closely with testers, engineers, and researchers, you’ll help deliver changes safely while supporting live systems.
What You’ll Be Doing

• Building and maintaining user-facing applications and back-end .NET API services
• Designing and developing secure, well-structured code using modern engineering standards
• Collaborating with user researchers to deliver user-centred solutions
• Supporting junior developers through mentoring and guidance
• Managing releases via CI/CD pipelines and supporting systems in production

What We’re Looking For

• Experience developing software across front-end and back-end (.NET APIs)
• Strong problem-solving skills and the ability to design solutions to business needs
• A security-first mindset with experience embedding controls into designs
• Comfortable working in Agile teams and collaborating with a range of stakeholders
• Experience with CI/CD, live service support, and modern engineering practices
• Holds current SC Clearance

If you are currently SC Cleared you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or please send a copy of your CV to

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