Principal Software Engineer

Salary: £30,000 - 60,000 per year

Requirements:

• At least 10 years of experience in designing and delivering performant software applications
• Demonstrable skills in stakeholder management including influencing, negotiating, and conflict management
• Experience in line management and enabling people to perform
• Proficient in C/C++ native development
• Extensive experience with a range of software modelling and simulation techniques
• Experience in using cases and project data context to determine specifications and requirements
• Experience in one or more of the following technical disciplines: Videogame engine technology (e.g. Unreal Engine, Godot), Agent, Entity and Event based Simulation, Robotics and Autonomous Systems
• Ideal candidate will be educated to degree level or have equivalent relevant experience
• Demonstrable experience and capability in writing proposals and coordinating bid management activity
• Understanding of performance and hardware constraints
• Willingness to travel and comfortable to work at client sites for periods
• Candidates must have an existing right to live and work in the UK
• Candidates will need to undergo an internal BPSS check prior to gaining site access
• Candidates will also need to either hold a current SC clearance or be willing and eligible to undergo a Security Clearance check (SC level) upon starting their employment

Responsibilities:

• Take responsibility for the leadership and delivery of whole, or significant sub-components, of technical consulting projects and products
• Design, develop, and deliver software solutions using a large range of techniques, including Wargames, Modelling and Simulation, Robotic and Autonomous systems, Digital Twins, and Synthetic Environments
• Apply mathematical and computational methods to tackle real world problems, and develop novel approaches where required
• Build new relationships and maintain current customer relationships
• Author technical reports and present findings to customers

Technologies:

• Hardware
• Robotics
• Security
• Unreal
• GameDev
• C++

More:

We are a small but rapidly growing consultancy, owned by highly experienced and recognized practitioners in UK defence consultancy. Our team is dedicated to leading and developing innovative solutions in Software Modelling and Simulation, autonomy, and geospatial fields. We offer competitive salaries and packages, including benefits such as a pension contribution, 25 days holiday, and life insurance. We provide exciting opportunities for those with the drive to further develop their skills and contribute to our growth, with the potential for rapid advancement for the right candidates.

last updated 31 week of 2026