Principal Software Engineer C++ / Unreal / Defence

Principal Software Engineer
Portsmouth | Hybrid, 3 days onsite
£75,000-£85,000 plus bonus and benefits

Want to work on groundbreaking projects within the defence industry?

Are you a hands-on technical leader with strong C++ and Unreal Engine expertise and want to work at the forefront of complex, performance-critical software delivery within defence?

The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved.

The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions in the defence industry. You will work closely with subject matter experts and senior stakeholders on high-impact programmes spanning modelling and simulation, autonomy, geospatial systems, synthetic environments and digital twins.

This is a true principal-level role. You will remain deeply technical while setting direction, lea...