Location: UK We’re looking for a Senior Firmware Engineer to deliver embedded firmware for medical devices from early concept through to production. You’ll take technical ownership of firmware on individual projects, working closely with hardware, manufacturing and quality teams. You have strong experience shipping production-grade embedded firmware for medical or regulated products, are comfortable working close to the hardware, and have delivered on resource-constrained systems through bring-up and integration. You are accountable for firmware quality, safety, and can execute decisively under pressure while communicating with the wider team. What You’ll Do:- Develop and maintain high-reliability, high-quality embedded firmware- Maintain and update the cyber security risk register for firmware-related components, ensuring risks are identified, tracked and mitigated- Produce concise documentation to support audits and regulatory submissions- Maintain efficient automated testing, CI and deployment pipelines within regulatory constraints- Work closely with hardware, product and design teams to ensure effective integration and system-level reliability What You’ll Bring:- Strong embedded programming skills in C or C++- Hands-on RTOS experience, preferably FreeRTOS, including scheduling, synchronisation and debugging timing-critical code- Experience integrating and validating data from multiple sensors- Solid understanding of WiFi, TCP/IP, BLE- Strong grasp of microprocessor architectures, digital electronics and hardware-firmware interaction- Awareness of regulatory requirements for medical devices