Senior Embedded Firmware Engineer - IoT, STM32, Low-Power

Room at the Top Recruitment; Cambridgeshire and Peterborough; Hybrid; GBP 44,000 - 73,000; Full time

Benefits offered by this job

25 days holiday

Hybrid work model

Job summary

Room at the Top Recruitment is seeking an Embedded Firmware Engineer for a global client in the UK. You will design, develop and optimize low-power firmware for STM32-based IoT devices, integrating GNSS and LoRa/LoRaWAN within an RTOS.

You’ll work with cross-functional teams across the UK, Israel and California, delivering production-ready code with short feedback cycles and a strong customer focus. Hybrid onsite/home 2/3 days.

Qualifications

• Approximately five years of embedded software engineering in C/C++.
• Hands-on STM32 microcontroller experience and embedded debugging.
• Proven low-power firmware for battery-operated devices.
• GNSS, LoRa or LoRaWAN experience with RTOS.
• Produce production-ready, maintainable firmware.

Responsibilities

• Design, develop, debug, and optimize embedded firmware for STM32-based IoT devices.
• Integrate GNSS, LoRa/LoRaWAN and hardware peripherals.
• Develop within an RTOS environment and deliver robust firmware.

Skills

Embedded software (C/C++)

STM32 microcontrollers

RTOS (FreeRTOS)

GNSS integration

LoRa / LoRaWAN

I2C / SPI / ADC / DAC / PWM

External EEPROM

Development tools (VS Code)

STM32CubeIDE

Autonomous work style

Tools

VS Code

STM32CubeIDE

J-Link or ST-Link

Oscilloscopes / Logic analyzers

Job description

Room at the Top Recruitment is seeking an Embedded Firmware Engineer for a global client in the UK. You will design, develop and optimize low-power firmware for STM32-based IoT devices, integrating GNSS and LoRa/LoRaWAN within an RTOS.

You’ll work with cross-functional teams across the UK, Israel and California, delivering production-ready code with short feedback cycles and a strong customer focus. Hybrid onsite/home 2/3 days.