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# Senior Software Developer

- **Company:** Mass Limited
- **Location:** Podimore, UK
- **Experience:** Expert
- **Salary:** £50,000.0 - £65,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Software Applications, Arduino, C Sharp (Programming Language), C++ (Programming Language), Desktop Computing, LabVIEW, Radio-Frequency Identification, Software Maintenance, Raspberry Pi, Software Engineering, Systems Integration, Information Technology
- **Published:** October 15, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5925631987

## About the Role

* Degree, HND, HNC or equivalent experience in Software Engineering, Computer Science, Electronic Engineering or a related discipline.
 * Experience developing, integrating and maintaining software systems.
 * Proficiency in C++ and/or C#.
 * Experience developing and maintaining software applications in a technical or engineering environment.
 * Strong problem-solving, communication and interpersonal skills.
 * Ability to obtain and maintain NATO Secret (NS) Security Clearance.
 * Proactive and motivated approach, with the ability to solve technical challenges, work collaboratively and operate independently.
 * Desirable: LabVIEW development experience.
 * Desirable: Experience working with API interfaces.
 * Desirable: Knowledge or experience in radar/microwave, avionics, communications or electronic warfare, including competency with RF subsystems and associated test equipment.
 * Desirable: Experience evaluating and testing RF systems or components.
 * Desirable: Knowledge of digital and analogue communication signals and associated protocols.
 * Desirable: Experience with single-board computers such as Arduino or Raspberry Pi.
 * Desirable: Experience in Defence, NATO or other secure environments.

## Description

* Act as a software subject matter expert, providing development, maintenance and training support for Electronic Warfare training assets.
 * Undertake integrated software and hardware modifications to enhance Electronic Warfare training capabilities.
 * Develop and maintain control software and graphical and man-machine interfaces.
 * Manage configuration of customer-owned source code and bespoke Electronic Warfare application software.
 * Support trials, evaluations and exercises, including occasional deployment to exercise locations or NATO platforms.
 * Troubleshoot, investigate and resolve software and hardware issues in complex Electronic Warfare systems.
 * Collaborate with engineers, technicians and customers to deliver technical solutions.
 * Apply software engineering and development principles to develop, integrate and maintain systems and applications.
 * Identify faults, investigate root causes and implement corrective actions.
 * Contribute to continuous improvement of Electronic Warfare training capabilities and associated systems.

Technologies:

 * API
 * Arduino
 * C#
 * Hardware
 * Support
 * Security, We are MASS, an independent global technology company providing advanced digital services to highly secure organisations. With our defence heritage, we deliver robust solutions where security expertise is essential. This senior software developer role supports the NATO Joint Electronic Warfare Core Staff fleet of Electronic Warfare training assets, providing in-hangar support at RNAS Yeovilton, Somerset. The role is full-time and on-site, Monday to Thursday 08:30-17:00 and Friday 08:30-15:00, with a salary of £50,000-£65,000. It offers hands-on work across software development, systems integration, RF technologies and Electronic Warfare applications, supporting project delivery and operational activities. We value wellbeing and offer wellbeing programmes, mental health first aiders and an employee assistance programme. We aim to provide a friendly, inclusive workplace where everyone is valued and can make an impact.