Embedded Firmware Engineer

Simpson & Partners Limited; Kemble; Remote; GBP 65,000 - 90,000; Full time

Job summary

Simpson & Partners Limited is seeking a seasoned embedded firmware engineer to design, implement and test firmware modules for ARM Cortex-M platforms running FreeRTOS. You will collaborate with electrical engineers to bring up new PCB revisions and own OTA update pipelines and bootloader security.

You will also contribute to functional-safety reviews and certification work. Applicants should have 5+ years of embedded development experience, strong C and modern C++, and hands-on debugging with

Qualifications

• 5+ years of embedded development on ARM Cortex-M.
• Proficient in C and modern C++ where applicable.

Responsibilities

• Design, implement and test firmware modules in C/C++ on FreeRTOS.
• Bring up new PCB revisions with electrical engineering.
• Own OTA update pipelines and bootloader security.
• Contribute to functional-safety reviews and certification work.

Skills

ARM Cortex-M experience

C programming

C++ programming

Embedded firmware development

Tools

FreeRTOS

JTAG debugging

Oscilloscopes

Logic analyzers

Job description

Join the embedded team building the firmware that runs inside every Simpson & Partners charger. You'll work close to the metal on ARM Cortex platforms and own features from prototype board to production rollout.

What you'll do

• Design, implement and test firmware modules in C/C++ on FreeRTOS.
• Bring up new PCB revisions in collaboration with electrical engineering.
• Own OTA update pipelines and bootloader security.
• Contribute to functional-safety reviews and certification work.

What we're looking for

• 5+ years of professional embedded development on ARM Cortex-M.
• Strong C, comfortable in modern C++ where appropriate.
• Hands-on with oscilloscopes, logic analysers and JTAG debugging.
• Experience shipping certified consumer or industrial hardware.