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# Embedded Firmware Lead

- **Company:** The One Group
- **Location:** Cambridge, UK
- **Experience:** Expert
- **Salary:** £55,000.0 - £70,000.0
- **Contract:** Permanent contract
- **Skills:** Data Analysis, ARM Architecture, Bluetooth Low Energy (Bluetooth), C++ (Programming Language), Cloud Computing, Static Program Analysis, Software Quality, Communications Protocols, Continuous Integration, Software Debugging, Embedded Software, Firmware, FreeRTOS, Hardware Design, Python (Programming Language), Message Queuing Telemetry Transport (MQTT), Real-Time Operating Systems, LoRaWaN, Systems Integration, Wi-Fi Technology, Data Processing, PIC Microcontroller, Hardware Testing, Zigbee, Decoding, Aws Iot, Software Version Control, Predix
- **Published:** September 3, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=63d3bab3e3fbbbd2

## About the Role

* Strong commercial embedded firmware experience
 * Proficiency in C/C++
 * Experience with Python
 * STM32, ARM Cortex-M or comparable microcontroller experience
 * Strong understanding of electronics and hardware integration
 * Experience with embedded communication protocols
 * Board-level debugging and low-level driver development
 * Firmware testing and release-validation experience
 * Previous technical leadership, mentoring or project ownership
 * Strong communication and problem-solving skills

Desirable Experience

 * MQTT or LoRaWAN
 * AWS IoT Core or another cloud-connected IoT platform
 * FreeRTOS or another RTOS
 * Low-power and battery-operated products
 * OTA firmware updates
 * Sensor-data processing and binary payloads
 * BLE, Wi-Fi, Zigbee or cellular connectivity
 * CI/CD and static-analysis tools
 * Experience within rail, energy, industrial monitoring or smart metering

This opportunity would suit either an established Firmware Lead or a strong Senior Embedded Engineer ready to take the next step. You'll join a close-knit engineering team, take ownership of commercially deployed products and help shape the next generation of the company's technology.

## Description

This is a broad, hands-on position offering genuine influence over the company's firmware architecture, development practices and future products.

You will be responsible for:

 * Leading and mentoring a small firmware team
 * Designing and developing embedded firmware using C/C++
 * Working with STM32 or comparable ARM Cortex-M microcontrollers
 * Developing Python tools and software for device-data processing
 * Integrating firmware with sensors, electronics and communication modules
 * Implementing IoT connectivity using technologies such as MQTT and LoRaWAN
 * Supporting integration with AWS IoT and wider cloud platforms
 * Debugging complex firmware and hardware issues
 * Improving firmware architecture, documentation and code quality
 * Developing automated, integration and on-hardware testing
 * Supporting CI/CD, version control and static code analysis
 * Decoding and validating data received from connected devices
 * Investigating field issues and supporting wider data analysis
 * Working directly with customers and other engineering disciplines


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