Software Engineer

Company: Cirrus Selection
Apply for the Software Engineer
Location: Stevenage
Job Description:

Software Engineer

Based in Stevenage

Up to £65,000 + bonus + strong benefits

You know the difference between code that works… and code that has to work.

This role sits right in that space.

You’ll be building real-time, embedded software that captures and processes critical system data, the kind that tells engineers whether a complex defence system performs as expected, or doesn’t. No grey areas.

It’s hands‑on. Proper engineering.

C, C++, multi‑threading, hardware integration, performance tuning.

You’ll be:

  • Designing and developing real-time embedded software.
  • Building scalable, robust architectures for high‑performance systems.
  • Working closely with hardware and systems teams, not in isolation.
  • Debugging, optimising, and getting systems ready for real‑world use.
  • Contributing to integration, verification, and test at system level.

This isn’t a maintenance role. It’s build, solve, iterate, deliver.

You’ll need:

  • Strong C/C++ experience in embedded or real‑time environments.
  • Experience with multi‑threaded systems and performance optimisation.
  • API design and development (preferably Rest).
  • A practical, delivery‑focused mindset.
  • Exposure to CI/CD, Git, and modern development practices.

If you’ve worked on data capture, video, or tools like Wireshark or LabVIEW, even better, but not essential.

You’ll be joining a small, capable team working on some of the most advanced systems in the UK, where what you build genuinely matters.

If you want to work on complex problems, in a team that values proper engineering, this is worth a conversation.

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Posted: April 19th, 2026