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# Embedded Firmware Engineer

- **Company:** CircuitWorx
- **Location:** Chichester, UK
- **Experience:** Experienced
- **Salary:** £40,000.0
- **Contract:** Temporary contract
- **Skills:** Board Bringup, ARM Architecture, Automation of Tests, AUTomotive Open System Architecture (AUTOSAR), C++ (Programming Language), Software Quality, Code Review, Software Debugging, Linux, Middleware, Embedded Software, Firmware, FreeRTOS, Joint Test Action (IEEE Standards), Python (Programming Language), Raspberry Pi, Real-Time Operating Systems, Release Management, Shell Script, Toolchain, Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, PIC Microcontroller, Git, Bare Metal, Build Tools, Software Version Control
- **Published:** September 23, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=c339bc3876d2a963

## About the Role

* 2+ years of professional embedded firmware development experience
 * Strong proficiency in C and C++ for bare-metal and RTOS-based systems
 * Hands-on experience with ARM Cortex-M architecture
 * Proven experience with STM32 and/or ESP32 microcontrollers
 * Solid understanding of embedded communication interfaces: I2C, SPI, UART, CAN
 * Ability to read and interpret schematics and datasheets
 * Comfortable working across multiple concurrent projects with varying requirements

Desirable Skills

 * Experience with FreeRTOS and/or Zephyr RTOS
 * Familiarity with Linux-based development environments (build systems, shell scripting, toolchains)
 * Python development experience, particularly on Raspberry Pi platforms
 * Awareness of industry standards relevant to medical (e.g. IEC 62304) or automotive (e.g. AUTOSAR, ISO 26262) development
 * Experience with version control (Git) and CI/CD pipelines for embedded systems

## Description

We are looking for an Embedded Firmware Engineer to join our growing team based at our office in West Dean, Salisbury. You will play a key role in delivering firmware solutions across a diverse portfolio of client projects, working with a wide variety of hardware platforms and communication standards. This is an excellent opportunity for an engineer who enjoys variety, thrives in a fast-paced consultancy environment, and wants to broaden their experience across multiple industries., * Design, develop, and maintain firmware in C/C++ for embedded microcontroller-based systems across multiple client projects

 * Develop drivers and middleware for communication interfaces including I2C, SPI, UART, and CAN
 * Work with STM32 and ESP32 platforms across the full development lifecycle, from hardware bring-up through to production release
 * Implement real-time applications using FreeRTOS and/or Zephyr
 * Develop supporting tooling and automation scripts in Python, including on Raspberry Pi based platforms
 * Debug and optimise firmware using tools such as JTAG/SWD debuggers, logic analysers, and oscilloscopes
 * Collaborate with hardware engineers to review schematics and support PCB bring-up
 * Engage directly with clients to understand requirements and communicate technical progress where needed
 * Contribute to code reviews and uphold high standards of code quality, documentation, and traceability - particularly important in regulated industries such as medical and automotive


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