Description Senior Embedded Software Developer Location: Commutable to Herfordshire, Cheltenham, and Bristol mostly on-site (4 days/week on customer site, 1 day remote where appropriate) Clearance: Must be eligible and willing to undergo DV clearance (British Citizen, UK residency last 10 years) Are you a proven embedded software engineer who thrives on hard problems and real-world constraints? Want to design and deliver operational tooling directly alongside end users in National Security & Defence ? We re looking for a senior technical contributor who can take ownership of embedded deliveries, guide technical direction, and mentor others working across ESP32, Raspberry Pi, and ARM platforms. What You ll Do Lead development of bespoke embedded solutions across multiple platforms. Design, implement, and maintain production-quality C, C++ and/or Python code interfacing with hardware. Architect solutions involving comms protocols, peripheral integration, and performan...