> Markdown version of [/jobs/ext/2208239-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/2208239-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** ECM Selection Limited - **Location:** Cambridge, UK - **Salary:** £50,000.0 - £75,000.0 - **Contract:** Permanent contract - **Skills:** Computer Vision, C Sharp (Programming Language), Computer Programming, Field-Programmable Gate Array (FPGA), Python (Programming Language), Software Engineering, Product Software Implementation Methods, Subsystems - **Published:** August 24, 2026 - **Apply:** https://www.ecmselection.co.uk/register/26057 ## About the Role * 1st or 2.1 degree from a highly ranked university in electronics engineering, software engineering, physics or similar; you may also have a PhD * Excellent programming skills using either Python and C, or C# * Evidence of significant design of a software implementation within a complex electronics architecture * Experience developing software within a regulated environment, preferably medical * An enthusiastic approach with leadership skills that enable you to mentor junior engineers * A clear interest in working within medical technology development with the societal improvements it brings Machine vision and image processing are used to automate the instruments; any additional experience you may have of image processing in real-time or working with embedded processors and FPGAs is desirable. ## Description Your role as the Principal Software Engineer will be to take responsibility for the development of the application-level software for novel instruments, leading software engineers in this multidisciplinary work. You will be able to show your technical abilities in devising and developing software to the highest standard and enjoy working within a cross-curricular team of scientists and engineers. There is plenty of opportunity to get involved in complex sub-system design for a real-time application. ## Related Videos - [Focoos AI: Building the Future of Computer Vision](https://www.wearedevelopers.com/videos/1659-focoos-ai-building-the-future-of-computer-vision) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding) - [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar) - [Strange New Worlds: shaping the future of the digital age](https://www.wearedevelopers.com/videos/677-strange-new-worlds-shaping-the-future-of-the-digital-age) - [Writing a full-text search engine in TypeScript](https://www.wearedevelopers.com/videos/504-writing-a-full-text-search-engine-in-typescript) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology)