> Markdown version of [/jobs/ext/4594867-embedded-firmware-engineer](https://www.wearedevelopers.com/jobs/ext/4594867-embedded-firmware-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Embedded Firmware Engineer - **Company:** Vector Recruitment Ltd - **Location:** Cambridge, UK - **Experience:** Expert - **Salary:** £60,000 - £70,000 - **Contract:** Permanent contract - **Skills:** Testing (Software), LTE (Telecommunication), JIRA, Bluetooth, Datasheets, Device Drivers, Embedded C, Linux on Embedded Systems, Embedded Software, Firmware, FreeRTOS, Real-Time Operating Systems, Wi-Fi Technology, Git, Information Technology, Bitbucket - **Published:** November 6, 2026 - **Apply:** https://www.cv-library.co.uk/job/225809255/Embedded-Firmware-Engineer ## About the Role * Degree/Masters/PhD in Computer Science, Electronics, Embedded Systems or similar * Strong commercial experience in embedded C development (ideally 5+ years) * Experience with RTOS environments such as FreeRTOS, Zephyr, ThreadX or similar * Confident working in Unix/Linux development environments * Strong grounding in software testing (unit, regression, system) Embedded & Firmware Expertise * Experience writing device drivers directly from datasheets * Knowledge of low-power design techniques and firmware optimisation for constrained MCUs * Experience working with BLE/Bluetooth, WiFi, Cellular or other wireless protocols * Experience with battery-powered, low-energy devices is highly beneficial * Familiarity with Git, Jira, Bitbucket, or similar tooling Nice to Have * Prior experience with wearable technologies * Cellular expertise (e.g., LTE-M, NB-IoT) * Exposure to embedded Linux environments ## Description Location: Cambridge (Hybrid 1 day in the office a week) Salary: £60,000 - £70,000 + Excellent Benefits Contact: Adam Mayne - (url removed) - (phone number removed), An exciting opportunity has arisen for an experienced Firmware / Embedded Software Engineer to join a rapidly growing technology company developing next-generation IoT, Bluetooth-enabled, low-power wearable devices. You'll be part of a talented, supportive R&D team working on real products with real users, contributing to both current-generation firmware and new product development from concept through to mass production. This is an environment known for innovation, employee development, and a genuinely collaborative culture, offering excellent training, career growth and the chance to work with cutting-edge embedded technologies. Responsibilities of Firmware Engineer * Designing and developing embedded firmware for IoT wearable products * Working across the full product lifecycle - prototyping, implementation, optimisation, validation and release * Creating efficient, reliable firmware for battery-powered, resource-constrained devices * Developing and maintaining low-level drivers, communication interfaces and wireless protocol stacks * Collaboration with hardware, electronics and software teams to deliver high-quality, production-ready systems