Principal Software Engineer (Safety-Critical)

• 80000 - per annum + Benefits
• London
• Permanent

We're looking for an experienced Principal Software Engineer to join a growing technology business developing complex autonomous systems.
Reporting directly to the CTO, you'll combine hands-on engineering with technical leadership, shaping architecture, supporting engineers and facilitating Scrum delivery.
Experience developing software in mission-critical or safety-critical real-time environments is essential. Ideally, you'll bring experience in autonomous systems, robotics or flight software, within aviation, aerospace, drones/UAVs, autonomous vehicles, MOD/defence or similar.
This role could also be suited to Quant Engineers with experience working across real-time systems.
Location : - London - hybrid working.
What you'll be doing:

• Leading real-time software development and architectural decisions.
• Translating technical priorities into clear engineering plans.
• Facilitating sprint planning, stand-ups and retrospectives.
• Mentoring engineers, reviewing code and maintaining software quality.

What we're looking for:

• Senior, Lead or Principal-level experience, with development skills in Embedded C, C++ and Python.
• Experience with embedded software, real-time systems and hardware/software integration.
• Strong technical leadership and Agile/Scrum facilitation skills.
• Understanding of software architecture, testing and controlled development lifecycles.
• Familiarity with DO-178C, ISO 26262 or IEC 61508 (nice to have)

Apply via the advert or email your CV to for a confidential chat.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.