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Senior Software Developer

Job in Guildford, Surrey County, GU1, England, UK
Listing for: ECM Selection (Holdings) Limited
Full Time position
Listed on 2026-08-07
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 55000 - 70000 GBP Yearly GBP 55000.00 70000.00 YEAR
Job Description & How to Apply Below

Develop advanced software for real-world defence and security systems

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.

Due to the sensitive nature of much of the work you will perform you are required to be in the office every day, however the company understands everyone s schedules are different and so supports flexible working hours. With the company expanding there are good career progression opportunities through expanding technical capabilities and team leadership. The remunerations package is competitive with a strong base salary and good benefits including a generous 10% employer contribution pension scheme and annual performance related bonuses.

Another top job from ECM, the high-tech recruitment experts.

Even if this job's not quite right, do contact us now - we may well have the ideal job for you. To discuss your requirements call ecm or email your CV. We will always ask before forwarding your CV.

Please apply (quoting : CV27604) only if you are eligible to live and work in the UK. By submitting your details you certify that the information you provide is accurate.

Position Requirements
10+ Years work experience
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