Senior Firmware Engineer

EVera Recruitment; Cirencester; On-site; GBP 70,000 - 90,000; Full time

Job summary

EVera Recruitment is seeking a Senior Firmware Engineer to design, develop and maintain embedded firmware for microcontrollers and processors, delivering robust solutions for demanding environments.

You will collaborate with hardware teams to integrate firmware with sensors and interfaces (SPI, I2C, UART, CAN), optimize RTOS configurations and bootloaders, and ensure high-quality, production-ready code.

Qualifications

• Experience in embedded firmware development using C for ARM or equivalent.
• Experience with RTOS and bare-metal system development.
• Understanding of firmware architecture, debugging and system validation.
• Experience using version control systems such as Git.
• Strong problem-solving ability and experience working with real hardware.

Responsibilities

• Design, develop and maintain embedded firmware for microcontrollers and processors.
• Integrate firmware with hardware components, including sensors and communication interfaces (SPI, I2C, UART, CAN).
• Support testing and debugging activities at unit, integration and system level.
• Develop and optimise RTOS configurations, bootloaders and interrupt‑driven systems.
• Maintain code quality through reviews, version control and documentation.
• Collaborate with cross‑functional teams to support product development and testing.

Skills

C programming

Embedded systems

RTOS experience

Debugging

SPI / I2C / UART / CAN

Git

Firmware validation

Hardware interaction

Tools

Git

Job description

This role for a Senior Firmware Engineer will play a key role in developing robust embedded systems designed to operate reliably in demanding real‑world environments. The role covers firmware architecture, development and validation, working closely with multidisciplinary teams to deliver high–performance, production‑ready solutions.

The Senior Firmware Engineer will:

• Design, develop and maintain embedded firmware for microcontrollers and processors.
• Integrate firmware with hardware components, including sensors and communication interfaces (SPI, I2C, UART, CAN)
• Support testing and debugging activities at unit, integration and system level.
• Develop and optimise RTOS configurations, bootloaders and interrupt‑driven systems.
• Maintain code quality through reviews, version control and documentation.
• Collaborate with cross‑functional teams to support product development and testing.

The Senior Firmware Engineer will have:

• Experience in embedded firmware development using C for ARM or equivalent processors.
• Experience with RTOS and bare‑metal system development.
• Understanding of firmware architecture, debugging and system validation.
• Experience using version control systems such as Git.
• Strong problem‑solving ability and experience working with real hardware.

This role is well suited to an engineer who enjoys building reliable embedded systems and working closely with hardware to deliver real‑world solutions.