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# Principal Software Engineer

- **Company:** Filton
- **Location:** Filton, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Software Quality, Embedded C, Embedded Software, FreeRTOS, Real-Time Operating Systems, Software Engineering, Safety Critical Systems, DO-178B
- **Published:** August 6, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/42868710/

## About the Role

To be successful, you'll bring:

 * Strong experience in embedded software development within safety-critical environments

 * Expertise in RTOS (e.g. FreeRTOS or similar)

 * Proficiency in C (and ideally low-level/processor-level development)

 * Proven leadership or team management experience

 * Knowledge of standards such as DO-178C, ISO 26262, or IEC 61508 (highly desirable)

## Description

I'm currently recruiting on behalf of a highly innovative technology business working at the forefront of embedded safety-critical systems. This is an excellent opportunity for an experienced Senior Principal Embedded Software Engineer to lead the development of cutting-edge real-time software used in complex regulated environments., You'll take ownership of a team developing a safety-critical Real-Time Operating System (RTOS) used across advanced engineering sectors. This is a leadership role combining hands-on technical expertise with team management and project delivery., * Leading, mentoring, and growing a team of embedded software engineers

 * Overseeing full software lifecycle: design, development, testing, and deployment

 * Driving best practices in embedded C development and code quality

 * Managing multiple projects, ensuring delivery to high safety and quality standards

 * Collaborating with cross-functional teams and external stakeholders


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