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# Senior Embedded Software Engineer

- **Company:** KO2 Embedded Recruitment Solutions Ltd
- **Location:** Newark-on-Trent, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ARM Architecture, Bluetooth Low Energy (Bluetooth), Bluetooth, C++ (Programming Language), Cyber Security, Embedded C, Embedded Software, FreeRTOS, Real-Time Operating Systems, Signal Processing, Software Engineering, System Programming, TCP/IP, Computer Network Technologies, Peripherals, Production Code, Bare Metal, Zigbee
- **Published:** September 9, 2026
- **Apply:** https://www.collegerecruiter.com/job/2856357664-senior-embedded-software-engineer

## About the Role

You will have a proven background in delivering code for real-time embedded systems. Ideally you have strong embedded C++ 11/14 skills, but strong C developers looking to expand into C++ will also be considered. You should be able to demonstrate experience of full lifecycle software development and be comfortable working with peripherals such as SPI, I2C, I2S and UARTs at a driver level. Audio or signal processing would be an advantage, as would any exposure to Zigbee, BLE, Thread or Matter., * Experience with network-connected products and protocols (TCP/IP, HTTP/S)

 * Familiarity with ARM M-Cortex or similar processors
 * RTOS experience (e.g. ThreadX, AzureRTOS, FreeRTOS)
 * Bare metal development experience / development of low-level software drivers Low-level driver / bare-metal development experience (SPI, I2C, I2S, UARTs), * STM32, DMA, or audio DSP experience
 * Exposure to BLE, Bluetooth, Zigbee, Thread or Matter
 * Experience with secure communications and cybersecurity implementation
 * Knowledge of the Cyber security regulations and standards

## Description

* Implementing secure communication protocols (e.g. HTTPS/TLS) and supporting device connectivity
 * Work closely with cross-functional engineering teams to deliver secure and compliant product features
 * Providing technical leadership on secure design and best practice across engineering teams
 * Writing, reviewing, and testing production code for cybersecurity and network features


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