Senior/Principal Software Engineer

Senior/Principal Software Engineer – Rochester, Kent (Onsite)

Salary: Up to £65,000 per annum, depending on experience.

Role Overview

As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety‑critical systems. Your responsibilities include developing drivers, protocols, and human‑machine interfaces, providing technical direction, and ensuring robust, certifiable solutions throughout the full software lifecycle. You will define system and software architectures, drive integration, verification, and validation, and serve as a mentor and technical leader to fellow engineers. Engaging with customers and stakeholders, you will shape strategy, drive innovation, and deliver high‑impact solutions.

Core Duties

• Lead design and development of embedded software, including drivers, protocols, and human‑machine interfaces with certification artefacts


• Define syst...