Lead Software Engineer (.NET/C#)
Location: Leeds (Hybrid - 2 days in office)
Clearance Required: Must be eligible for UK National Security Vetting (UK resident for 5+ years, UK national or dual national)
Salary: £55,0000 - 69,000 + Package
Tech is evolving. We are too. And we're building something different.
Our client are a bold new digital delivery venture created to solve complex challenges for critical sectors — from national security and defence to infrastructure and sustainability. Operating at the sharp edge of innovation, we fuse advanced engineering practices with purpose-driven delivery.
They're not a typical consultancy. No billable targets. No pressure to sell. Just hands-on, high-impact work, with real room to grow.
Why You'll Want to Join Us
- Progression Without Politics
Advance your career without being pushed into management. Stay deeply technical, lead from the front, and shape solutions that matter.
- Modern Tools & Real Autonomy
Work with a modern tech stack and engineering culture built around CI/CD, automation, containers, and microservices.
- Learning That's in Your Hands
Get a dedicated learning budget to drive your growth, whether that's certifications, hands-on labs, or new tools.
What You'll Be Doing
- Lead the technical delivery of modern, secure solutions for high-impact clients.
- Guide agile engineering teams and act as a mentor for developers and junior engineers.
- Translate product needs into scalable technical solutions.
- Champion best practices in software architecture, secure coding, and DevOps.
- Take ownership of solution design, engineering strategy, and quality standards.
What You'll Need to Bring
- Eligibility for UK National Security Vetting (UK national/dual national, UK-based for 5+ years).
- Expertise in C# and .NET (full-stack experience is a plus).
- Proven experience building secure, scalable distributed systems.
- Strong background in system design, architecture, and code reviews.
- Experience with Docker, Kubernetes, and containerised application delivery.
- Knowledge of REST APIs, microservices, and CI/CD pipelines (GitHub Actions, CircleCI, etc).
Nice to Have (But Not Essential)
- Cloud experience: AWS, Azure or GCP
- Solid grasp of databases and data modelling
- Familiarity with open-source tools and monitoring platforms (e.g., Prometheus, DataDog)
- Experience with test automation frameworks and performance tools