Senior Software Engineer

Senior Software Engineer in Portsmouth, Hampshire, PO6 | Sirius Digital Search Search These jobs were popular with other job seekers C++ Software Engineer MASS Consultants Fareham (PO17) From £50,000 to £65,000 per annum DOE plus company benefits 1 day ago Software Engineer (Azure Certified / C# .Net) Hays Portsmouth (PO1) £56000 - £61000 per annum + £56-61k 2 weeks ago .Net Software Developer - AI Product Spectrum It Recruitment Limited Fareham (PO14) £45000 - £50000 per annum + generous benefits 3 days ago Software Engineer Kiota Recruitment Eastleigh (SO53) 450/day - 500/day 3 weeks ago Software Engineer C++ Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Embedded Software Engineer Morson Edge The Airport, Portsmouth (PO3), PO3 £44.85 - 60.00 per hour + None 1 week ago Lead Full Stack Software Developer Spectrum It Recruitment Limited Chichester (PO18) £80000 - £100000 per annum + plus benefits 3 days ago Principal Software Engineer Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Senior Web Methods Developer Infoplus Technologies UK Ltd Worthing (BN13) From £70,000 to £80,000 per annum 4 weeks ago Lead Full Stack Software Developer Spectrum It Recruitment Limited Southampton (SO14) £80000 - £100000 per annum + plus benefits 3 days ago C++ Software Engineer MASS Consultants Fareham (PO17) From £50,000 to £65,000 per annum DOE plus company benefits 1 day ago Software Engineer (Azure Certified / C# .Net) Hays Portsmouth (PO1) £56000 - £61000 per annum + £56-61k 2 weeks ago .Net Software Developer - AI Product Spectrum It Recruitment Limited Fareham (PO14) £45000 - £50000 per annum + generous benefits 3 days ago Software Engineer Kiota Recruitment Eastleigh (SO53) 450/day - 500/day 3 weeks ago Software Engineer C++ Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Embedded Software Engineer Morson Edge The Airport, Portsmouth (PO3), PO3 £44.85 - 60.00 per hour + None 1 week ago Lead Full Stack Software Developer Spectrum It Recruitment Limited Chichester (PO18) £80000 - £100000 per annum + plus benefits 3 days ago Principal Software Engineer Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Senior Web Methods Developer Infoplus Technologies UK Ltd Worthing (BN13) From £70,000 to £80,000 per annum 4 weeks ago Lead Full Stack Software Developer Spectrum It Recruitment Limited Southampton (SO14) £80000 - £100000 per annum + plus benefits 3 days ago Senior Software Engineer Sirius Digital View Profile Portsmouth, Hampshire, PO6 Permanent Published: in 3 days benefits, pension (7% contribution), 25 days holiday & life insurance Senior Software Engineer Sirius Digital Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned by four highly experienced and recognised practitioners in UK defence consultancy. We are looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently or in small teams. The Role: As a Software Engineer, you will play a major role in developing code in the Software Modelling and Simulation, autonomy and geospatial fields, along with providing key advice around innovation and new techniques to stakeholders. You will be designing solutions for complex challenges that will meet and exceed user requirements. Responsibilities will include: Designing, developing and delivering software solutions using a large range of techniques, including Wargames, Modelling and Simulation, Robotic and Autonomous systems, Digital Twins and Synthetic Environments. Applying mathematical and computational methods to tackle real world problems, applying tools and techniques, and developing novel approaches where required. Delivering technical consulting projects and products, with the opportunity to lead some of these Building new relationships and maintaining current customer relationships. Expertise Required: Senior Software Engineer : At least 5 years’ experience, including designing and delivering software applications. About You: We are looking for candidates who can help the company grow and can offer exciting opportunities for those with the drive to develop their own skills and those of the company. We offer competitive salaries and packages, and the opportunity for rapid advancement for the right candidates. The successful candidate must be able to demonstrate the following attributes: Essential At least 5 years’ experience in designing and implementing performant software applications. Apply mathematical principles or statistical approaches to solve problems in scientific or applied fields. Proficient in C/C++ or C# and Python. Ability to understand and describe a range of software modelling and simulation techniques. Ability to analyse use 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) Entity or Event based Simulation Robotics and Autonomous Systems Understand varied codebases and be confident in making changes to large projects. Understand performance and hardware constraints. Building customer and stakeholder relationships. Supporting and leading authoring of technical reports and presenting to customers. Be willing to travel across UK and comfortable to work at client sites for periods. Desirable: Experience working with Defence Digital, DE&S, Dstl, Frontline Commands or UK Defence industry. The ideal candidate will be educated to degree level or have equivalent relevant experience. We’d love you to bring a strong STEM / computing background. Proficient in MS Office, especially Excel, PowerPoint, Word. Other Requirements: 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 with the company. To gain SC clearance you will normally need at least 5 years’ UK residency. In Short Industry IT & Telecommunications Founded 2020 Location Portsmouth, UK Company size 200 - 499 About Us Sirius Digital’s team of Software
Engineers and Data Scientists provides, adaptable and highly skilled
capability, with a range of specialities to ensure that the right techniques
are used to solve our client’s challenges. We provide, through Sirius Digital,
bespoke, robust and high-performance software to meet and exceed user
requirements. We specialise in Software Engineering, Modelling &
Simulation, Robotics & Autonomous Systems, Synthetic Environments, and AI &
Machine Learning (ML) Similar Senior Software Engineer Jobs Popular with Other Job Seekers C++ Software Engineer MASS Consultants Fareham (PO17) From £50,000 to £65,000 per annum DOE plus company benefits 1 day ago Software Engineer (Azure Certified / C# .Net) Hays Portsmouth (PO1) £56000 - £61000 per annum + £56-61k 2 weeks ago .Net Software Developer - AI Product Spectrum It Recruitment Limited Fareham (PO14) £45000 - £50000 per annum + generous benefits 3 days ago Software Engineer Kiota Recruitment Eastleigh (SO53) 450/day - 500/day 3 weeks ago Software Engineer C++ Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Embedded Software Engineer Morson Edge The Airport, Portsmouth (PO3), PO3 £44.85 - 60.00 per hour + None 1 week ago Lead Full Stack Software Developer Spectrum It Recruitment Limited Chichester (PO18) £80000 - £100000 per annum + plus benefits 3 days ago Principal Software Engineer Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Senior Web Methods Developer Infoplus Technologies UK Ltd Worthing (BN13) From £70,000 to £80,000 per annum 4 weeks ago Lead Full Stack Software Developer Spectrum It Recruitment Limited Southampton (SO14) £80000 - £100000 per annum + plus benefits 3 days ago Senior Software Engineer jobs Senior Software Engineer jobs in Portsmouth IT jobs IT jobs in Portsmouth Software Development jobs Software Development jobs in Portsmouth Jobs in Portsmouth Software Engineer jobs Entry Level Software Engineer jobs Junior Software Developer jobs Senior Software Application Engineer jobs Senior Software Engineering jobs Software Developer jobs Senior Applications Developer jobs Senior Lead Developer jobs Junior Software Engineer jobs Senior IT Support Engineer jobs Senior Applications Engineer jobs Senior Engineer jobs Lead Software Engineer jobs Senior Development Engineer jobs Senior Site Engineer jobs Senior Applications Specialist jobs Get hired. Find success. Totaljobs Jobseekers Recruiters Download The Stepstone Group UK Ltd © 2026