PCB Firmware Developer – Lancaster. Salary: £65,000 plus benefits. Location: Lancaster, UK.
We are seeking a Senior PCB Firmware Developer to play a key technical role in the development of secure embedded systems based on STM32 microcontrollers. The role requires full product lifecycle responsibility in firmware design and implementation, collaborating closely with internal teams to ensure correctness, reliability, and control.
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 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 suitable for secure environments.
Essential Skills & Experience
* Significant commercial experience developing firmware for STM32 or ARM Cortex‑M microcontrollers.
* Strong expertise in embedded C and C++.
* Proven experience with custom PCB bring‑up and fault diagnosis.
* Deep understanding of microcontroller peripherals and low‑level operation.
* Confident use of JTAG / SWD debugging tools (e.g., ST‑Link, J‑Link).
* Ability to work independently, exercise sound engineering judgment, and handle sensitive technical information appropriately.
What We Offer
* Permanent senior position with long‑term technical responsibility.
* £65,000 salary.
* Work on discreet, high‑impact embedded systems.
* Opportunity to influence secure firmware architecture and engineering standards.
* Small, trusted engineering team with strong technical focus.
* Competitive salary dependent on experience.
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