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# Senior Software Developer

- **Company:** ECM Selection Limited
- **Location:** Guildford, UK
- **Experience:** Expert
- **Salary:** £55,000.0 - £70,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), C++ (Programming Language), Cyber Security, Linux, Hardware Design, Webui, Signal Processing, Information Technology, Web Technologies
- **Published:** August 8, 2026
- **Apply:** https://jobsthamesvalley.co.uk/jobs/apply/ats-redirect/?id=2914176295-2

## About the Role

An established engineering consultancy company is seeking experienced software developers to join their multi-disciplinary team delivering innovative sensor and signal processing solutions for defence and national security applications. Some projects are aligned with in-house hardware development and can involve developing algorithms for new sensor data and optimising software for constrained environments. Other projects will see you developing sophisticated software in the cyber security industry, as well as creating UIs for electronic gizmos using web technologies.

Please note: this role requires eligibility for UK Developed Vetting (DV) clearance. Applicants must therefore be British citizens who have lived in the UK for the past 10 years.

You will be working alongside other bright software and hardware engineers on varied and challenging projects. You will have the opportunity to lead and mentor other engineers, as well as be supported to achieve your own career goals. With other experienced engineers to learn from and cutting-edge technical challenges to solve, this is a great place to continue developing your technical skills.

Requirements:

 * Commercial-grade experience developing and maintaining complex systems in C/C++.
 * Strong academic background in a numerate discipline (e.g. Maths, Physics, Engineer, computer science). This will probably include a 1st or 2:1 at degree level and may include a PhD.
 * Strong communication skills both for client work and for mentoring and leading team members.
 * British citizenship and UK residency for at least 10 years.

While not required, the following will significantly strengthen your application:

 * DSP and/or image processing expertise.
 * Familiarity with web UI technologies (HTML, JavaScript, etc) and Linux systems.



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