Principal Software Development Engineer

Principal Software Development Engineer

Location: Hybrid / South Cambridgeshire

Salary: Up to £90,000 + Excellent Benefits

Are you a C++ expert who thrives on solving complex problems and shaping the direction of cutting-edge software? If you enjoy leading from the front, mentoring others, and delivering software that genuinely makes a difference — this could be the role for you.

We’re partnered with a leading tech innovator looking for a Principal Software Development Engineer to take ownership of major software projects from concept to delivery. You’ll play a pivotal role in setting the technical direction, collaborating across teams, and making high-impact architectural decisions that influence real-world products used by engineers, scientists, and developers globally.

You'll be hands-on with modern C++ (ideally C++17 or newer), embedded Linux, and cross-platform development. The environment is agile, collaborative, and geared towards high performance and continuous improvement. Beyond coding, your contribution will shape how the team works, mentor rising engineers, and help solve some genuinely interesting engineering challenges.

What you'll need:

Extensive experience in C++ development at a senior/principal level

Strong grasp of software architecture, algorithms, and data structures

Cross-platform experience and a deep understanding of embedded systems

Passion for clean, maintainable code and mentoring others

Comfortable with scripting (PowerShell, Bash) and working in Agile teams

If you're a problem-solver who wants to be part of a company that values innovation and technical excellence, get in touch to find out more.