PCB Firmware Developer – Lancaster - £65,000 plus benefits Melbreck Technical are working with a leading designer and manufacturer of specialist equipment based in the Northwest with two facilities, one of which being in Lancaster. We are looking for a Senior PCB Firmware Developer to play a key technical role in the development of secure embedded systems based on STM32 microcontrollers. You will be responsible for firmware design and implementation across the full product lifecycle, working closely with trusted internal teams on systems where correctness, reliability, and control are essential. PCB Firmware Developer - Key Responsibilities: * Lead the development of embedded firmware for STM32-based platforms * Design and maintain robust firmware architectures for long-lived systems * Develop secure, efficient firmware in C * Perform board bring-up and low-level debugging on custom PCBs * Debug complex issues using JTAG / SWD and other low-level diagnostic tools * Work closely with hardware engineers to ensure secure and reliable hardware/firmware integration * Review code and contribute to engineering standards and best practices * Support system verification, validation, and controlled deployment * Produce clear technical documentation appropriate for secure environments PCB Firmware Developer - Essential Skills & Experience: * Significant commercial experience developing f...