Senior Embedded Software Engineer

X4 Group Ltd
So140Aa, United Kingdom
5 days ago
£60,000 – £80,000 pa

Salary

£60,000 – £80,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
Hybrid
Seniority
Senior
Security Clearance
Required
Posted
11 Sep 2026 (5 days ago)

Benefits

Hybrid working (3 days onsite) Security-cleared role Exposure to high-reliability industries
Embedded Software Engineer (Junior – Senior) | Hybrid Southampton | Up to £80,000

Location: Southampton (Hybrid – 4 days per week onsite with potential flexibility over time)Salary: Up to £80,000, dependent on experienceJob Type: Permanent

The Role

A globally leading engineering business is looking for Embedded Software Engineers to join an innovation team at their Southampton site, developing embedded software for high-reliability systems. This is a hybrid role, with three days per week required onsite.

The client works across the full embedded stack, from low-level C through to multi-threaded, OS-based C++, and the role can be shaped around your own strengths and experience level. Whether you're a junior engineer building your embedded skillset or a senior engineer looking for technical depth, there's scope to tailor the work to you.

What You'll Be Doing
  • Developing and maintaining embedded software in C/C++
  • Designing, testing, and integrating software for complex embedded systems
  • Working across the full software development lifecycle
  • Collaborating with hardware, FPGA, and systems engineering teams
  • Building robust, high-performance software for advanced engineering applications
What We're Looking For
  • Embedded software development experience in C and/or C++
  • Experience working in Linux environments
  • Understanding of Object-Oriented Design (OOD), SOLID principles, and design patterns
  • Familiarity with unit testing and modern software development practices
  • Exposure to communication protocols such as CAN, RS232/RS422, UDP, or TCP/IP

Important: due to the security clearance required for this role, candidates must have been resident in the UK for at least five years.

Desirable Experience
  • MATLAB/Simulink
  • OpenGL or Vulkan
  • CUDA or OpenCL
  • FPGA or HDL exposure
  • Video processing or machine learning
  • Background in defence, aerospace, automotive, or another high-reliability industry
How to Apply

If you have strong C/C++ experience and are looking for a technically challenging role with the flexibility to shape your own development, apply with an up-to-date CV, or get in touch to discuss the role in more detail.

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