Senior Software Engineer

?? Senior Software Engineer - Embedded Systems | Defence Tech | Southampton (On-Site)

?? Southampton | ?? Permanent | ?? Up to £60,000 + Benefits | ?? VC-Backed Scale-Up (Series B, £3.8M)

Are you an experienced embedded engineer who thrives on building high-performance systems in real-world environments?

We're working with a VCbacked engineering scaleup that develops advanced radiation detection and identification technology for Defence, security, and emergency services. Following £3.8M in Series B funding and consistent growth, they're now expanding their software engineering team - and this is your chance to get involved in technically challenging, meaningful work.

?? What You'll Do

• Design and implement embedded software solutions across Linux and RTOS platforms
• Work closely with hardware teams on sensor and FPGA integration
• Contribute to system architecture, DevOps pipelines, and product delivery
• Solve complex problems involving real-time performance, reliability, and safety
• Participate in code reviews, sprint planning, and collaborative decision-making

?? What You'll Bring

• 5+ years' experience in embedded software development using C/C++
• Strong knowledge of Linux systems, device drivers, and hardware interfacing
• Experience working with embedded systems, real-time constraints, and low-level protocols
• Proficiency in Python, Git, and modern development workflows
• A proactive, problem-solving mindset and a collaborative approach to engineering

? Nice to Have

• Experience with FPGAs, DSPs, or RF systems
• Exposure to DevOps/CI tools (e.g. Jenkins, GitLab CI)
• Familiarity with cloud-native development, IaC tools (Ansible, Terraform, Docker)
• Security clearance (SC) or eligibility to obtain it

?? Location & Working Style

• This is a primarily on-site role based in Southampton, working closely with hardware and product teams in a hands-on, collaborative environment.

?? Why Join?

• Work on complex, real-world systems that have global impact
• Join a growing, well-funded scale-up with a highly respected engineering team
• Take on real technical ownership with long-term growth and learning opportunities

Salary: Up to £60,000 depending on experience.
Apply now or message me to learn more.

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