Software & Firmware Engineer

Imagine joining a company where your ideas shape the future of intelligent LED lighting cabin technologies working for some of the biggest names in commercial aviation. Where you're trusted with autonomy, encouraged to collaborate closely with hardware and electronics engineers, and given the freedom to lead a new project from the ground up.

It's an opportunity to be part of a small, close-knit team that values flexibility, innovation, and a family-like culture. You'll play a key role in developing advanced lighting and safety systems for high-reliability environments, with real-world impact across the commercial aviation sector.

As an Embedded Software & Firmware Engineer, you'll be hands-on with cutting-edge embedded solutions that prioritise both performance and sustainability. Designing systems that reduce environmental impact through energy-efficient operation.

This is a hybrid role, requiring a minimum of 4 days per week on-site at the South Wales office.

What You'll Be Doing

Designing and implementing embedded software and firmware for microcontrollers and programmable logic devices
Developing low-level drivers, communication protocols, and real-time control logic
Writing efficient, maintainable code in C/C++
Contributing to system architecture, requirements definition, and hardware integration
Debugging and resolving firmware issues across development and production
Supporting secure firmware update mechanisms and bootloaders
Participating in verification and validation activities, including unit and system testing
Maintaining clear technical documentation throughout the development lifecycle
Collaborating closely with hardware, systems, and QA teams

What We're Looking For

A degree in Computer Science, Electronics, or a related field
Solid experience in embedded software/firmware development
Proficiency in C/C++ and experience with real-time or bare-metal systems
Strong understanding of microcontrollers and digital communication protocols (I2C, SPI, UART, CAN)
Confidence using lab tools such as oscilloscopes and logic analysers
Familiarity with version control systems (e.g., Git) and Agile development practices
Experience with safety-critical or high-integrity systems (e.g., aerospace, automotive)
Exposure to FPGA development or low-level hardware programming
Understanding of CI/CD pipelines and automated testing

What You'll Get in Return

25 days annual leave + 8 bank holidays
Christmas shutdown
5% company pension contribution
Death in service benefit
Annual bonus scheme (based on company and individual performance)
37.5-hour work week
Early finish Fridays (1pm finish)
Free annual eye test
Cycle to work scheme
Employee Assistance Programme (EAP)You'll be joining a supportive and technically capable team that values clear communication, practical problem-solving, and continuous improvement. The company offers flexible working arrangements and encourages ongoing professional development.

If this role sounds of interest and you meet a handful of the requirements, please apply and we'll be in touch to share some further information.

To find out more about Computer Futures please visit

Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales