Firmware Contractor

Platform Recruitment; Cambridge; Hybrid; GBP 92,000 - 129,000; Full time

Job summary

Platform Recruitment is seeking a Firmware Contractor in Cambridge to join a medical device team on a long-term contract, developing embedded software for connected devices.

The role requires 2 days onsite per week in Cambridge and will run for 24 months, offering a hybrid work pattern. Applicants should have strong Embedded C/C++ skills, STM32 experience, and low-power firmware expertise for battery-powered devices.

Qualifications

• Embedded C/C++ proficiency on bare metal and RTOS platforms.
• Hands-on experience with STM32 microcontrollers and embedded debugging.
• Delivery of low-power firmware for battery-operated devices.
• Experience with GNSS, LoRa or LoRaWAN and embedded peripherals.

Responsibilities

• Develop embedded software for connected medical devices on a long-term contract.
• Collaborate with hardware and software teams to integrate wireless functionality.
• Participate in code reviews and debugging of fault scenarios.

Skills

Embedded C/C++

Bare metal/RTOS

STM32

Embedded debugging

Low-power firmware

GNSS/LoRa/LoRaWAN

Tools

J-Link

ST-Link

Oscilloscopes

Logic Analyzers

Multimeters

Git

Schematic Reading

Job description

Firmware Contractor | Cambridge | Hybrid

A medical device team in Cambridge is looking for a firmware contractor with wireless integration experience to join their team on a long-term contract developing embedded software for connected devices.

The role requires 2 days a week onsite in Cambridge, and will run for 24 months

Requirements:

• Embedded C/C++ proficiency on bare metal & RTOS platforms


• Hands-on experience with STM32 microcontrollers and embedded debugging.


• Proven delivery of low-power firmware for battery-operated devices.


• Experience with GNSS, LoRa or LoRaWAN, embedded peripherals

Bonus skills:

• Experience with u-blox's newer GNSS architectures.


• Familiarity with oscilloscopes, logic analysers, multimeters, and J-Link or ST-Link.


• Experience with Git and collaborative development workflows.


• Ability to read hardware schematics and PCB layouts.


• Experience using AI-assisted development tools such as GitHub Copilot or comparable tools.