Senior Software Engineer (C / C++)

Senior Software Engineer (C / C++)

Salary £60,000–£75,000 + bonus & excellent benefits

Stevenage | Hybrid working (3–5 days on-site)

This role requires eligibility for SC clearance – British citizenship is essential

Are you a Software Engineer looking to work on complex, real-world systems where reliability and performance truly matter?

We’re looking for a Senior Software Engineer to join a highly collaborative engineering team delivering advanced test and validation software for cutting-edge systems. This is an opportunity to work across the full product lifecycle, developing solutions that directly support the testing and assurance of highly complex technology.

🔧 What you’ll be doing:

  • Designing and developing software for test equipment used on complex systems and sub-components
  • Writing high-quality software in C / C++ (with some scripting where needed)
  • Working closely with electronics, systems and test teams to deliver integrated solutions
  • Supporting automation, continuous integration and DevOps practices
  • Contributing to the development of robust, reliable and maintainable software
  • Debugging and validating systems using real hardware and measurement equipment

🧠 What we’re looking for:

  • Strong experience developing software in C or C++
  • Background in developing test solutions or working with hardware-integrated software
  • Experience working in Agile development environments
  • Good understanding of software quality practices and standards
  • Familiarity with CI/CD, automation and DevOps principles
  • Experience working with lab equipment such as oscilloscopes or spectrum analysers is highly beneficial

💡 Why apply?

  • Work on complex, mission-critical systems across the full development lifecycle
  • Be part of a collaborative, engineering-led environment
  • Opportunity to work with advanced technologies and modern development practices
  • Clear progression opportunities within a growing team

🎁 What’s on offer:

  • Salary between £60,000 - £75,000 depending on experience
  • Company bonus (up to £2,500)
  • Pension contributions up to 14%
  • Paid overtime opportunities
  • Up to 15 additional flexi-leave days
  • Enhanced parental leave
  • Excellent on-site facilities including subsidised meals and free parking

If you’re looking for a role where your work has real impact and you can develop your career in a technically challenging environment, apply now.

Job Details

Company
Fynity
Location
Stevenage, England, United Kingdom
Hybrid / Remote Options
Posted