> Markdown version of [/jobs/ext/2286370-principal-firmware-engineer](https://www.wearedevelopers.com/jobs/ext/2286370-principal-firmware-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Firmware Engineer - **Company:** Intellectual Capital Resources Limited - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ARM Architecture, Bluetooth, C++ (Programming Language), Embedded Software, Firmware, TCP/IP, Wi-Fi Technology, PIC Microcontroller, Peripherals, U-Boot - **Published:** August 29, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2944674381-2 ## About the Role For this Principal Firmware Engineer role, we are looking for someone with: Strong experience developing low-level firmware in C/C++ Deep experience with ARM Cortex-M microcontrollers and peripherals Experience developing secure embedded software, ideally including secure boot Some knowledge with IoT or networking stacks such as TCP/IP, Bluetooth, Wi-Fi, Matter or Thread is advantageous Ability to work closely with hardware and architecture teams on complex embedded systems What next? ## Related Videos - [Unleashing the Full Potential of the Arm Architecture – Write Once, Deploy Anywhere](https://www.wearedevelopers.com/videos/940-unleashing-the-full-potential-of-the-arm-architecture-write-once-deploy-anywhere) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api) - [Passive ARM Assembly Skills for Debugging, Optimization (and Hacking)](https://www.wearedevelopers.com/videos/1083-passive-arm-assembly-skills-for-debugging-optimization-and-hacking) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)