Software Engineer C++

Software Engineer C++ 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 Euro Projects Recruitment Lee Ground, Fareham (PO15), PO15 7AG From £35,000 to £45,000 per annum 1 month ago Principal Software Engineer Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Software Engineer Kiota Recruitment Eastleigh (SO53) 450/day - 500/day 3 weeks ago .Net Software Developer - AI Product Spectrum It Recruitment Limited Fareham (PO14) £45000 - £50000 per annum + generous benefits 2 days ago Software Engineer Saab UK Fareham (PO14) Negotiable 1 week ago Embedded Software Engineer Certain Advantage The Airport, Portsmouth (PO3), PO3 5PU £65 per hour 1 month ago Software Engineer (Full Stack) Spectrum It Recruitment Limited Hampshire £80000 - £100000 per annum + Benefits & Progression 1 day ago Principal Software Engineer Level 6 Morson Edge Southampton, Hampshire, SO15 £48.90 - 66.67 per hour + None 1 week ago Embedded Software Engineer Morson Edge The Airport, Portsmouth (PO3), PO3 £44.85 - 60.00 per hour + None 1 week 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 Euro Projects Recruitment Lee Ground, Fareham (PO15), PO15 7AG From £35,000 to £45,000 per annum 1 month ago Principal Software Engineer Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Software Engineer Kiota Recruitment Eastleigh (SO53) 450/day - 500/day 3 weeks ago .Net Software Developer - AI Product Spectrum It Recruitment Limited Fareham (PO14) £45000 - £50000 per annum + generous benefits 2 days ago Software Engineer Saab UK Fareham (PO14) Negotiable 1 week ago Embedded Software Engineer Certain Advantage The Airport, Portsmouth (PO3), PO3 5PU £65 per hour 1 month ago Software Engineer (Full Stack) Spectrum It Recruitment Limited Hampshire £80000 - £100000 per annum + Benefits & Progression 1 day ago Principal Software Engineer Level 6 Morson Edge Southampton, Hampshire, SO15 £48.90 - 66.67 per hour + None 1 week ago Embedded Software Engineer Morson Edge The Airport, Portsmouth (PO3), PO3 £44.85 - 60.00 per hour + None 1 week ago Software Engineer C++ Sirius Digital View Profile Portsmouth, Hampshire, PO6 Permanent Published: in 3 days benefits, pension (7% contribution), 25 days holiday & life insurance Software Engineer C++ Sirius Digital Software Engineer Salary: Competitive, negotiable based on experience, plus benefits including a 7% pension contribution, 25 days holiday, and life insurance Location: Portsmouth, hybrid working Sirius Digital is a trusted provider of expertise in Software Engineering, Data Science, and AI, supporting clients in the defence, nuclear, space, and energy sectors. We specialise in software modelling and simulation, robotics and autonomous systems, as well as data science and engineering, delivering technical consultancy and innovative solutions. We are seeking a Software Engineer who combines strong technical skills with problem-solving ability and effective communication. You will work independently or as part of small teams, helping Sirius Digital grow while advancing your own expertise. We offer a competitive benefits package and clear opportunities for rapid career progression. Key Responsibilities: Deliver technical consultancy projects to a high standard Develop and implement software solutions across areas such as wargaming, simulation, autonomous systems, digital twins, and synthetic environments Build and sustain strong client relationships Apply mathematical and computational techniques to solve real-world problems, developing innovative approaches as needed What We’re Looking For: Experience designing and delivering performant software applications, ideally within a technical consultancy environment Knowledge of software modelling and simulation techniques Ability to analyse requirements and define technical specifications Experience in one or more of the following: videogame engine technology (e.g., Unreal Engine, Godot), entity or event-based simulation, robotics, and autonomous systems Proficiency in C/C++, familiarity with Python, C#, Zig. Willingness to learn new technologies and programming languages Ability to apply mathematical or statistical methods to scientific or applied challenges Confidence working with large codebases and understanding hardware/performance constraints Strong interpersonal skills for client and stakeholder engagement Experience preparing technical reports and presenting to customers Willingness to travel within the UK and work on client sites as required Desirable: Background working with Defence Digital, DE&S, Dstl, Frontline Commands, or the UK Defence industry Degree in a STEM or computing discipline, or equivalent experience Proficiency with MS Office (Excel, PowerPoint, Word) What We Offer: Mentoring, internal and external training, and access to sector specialists and online learning Comprehensive benefits including a 7% pension contribution, private healthcare, life assurance, additional holiday purchase options, and an electric vehicle scheme 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 be willing and eligible or to undergo a Security Clearance check (SC level) or hold a current SC clearance 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 Software Engineer C++ 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 Euro Projects Recruitment Lee Ground, Fareham (PO15), PO15 7AG From £35,000 to £45,000 per annum 1 month ago Principal Software Engineer Sirius Digital Portsmouth, Hampshire, PO6 benefits, pension (7% contribution), 25 days holiday & life insurance in 3 days NEW Software Engineer Kiota Recruitment Eastleigh (SO53) 450/day - 500/day 3 weeks ago .Net Software Developer - AI Product Spectrum It Recruitment Limited Fareham (PO14) £45000 - £50000 per annum + generous benefits 2 days ago Software Engineer Saab UK Fareham (PO14) Negotiable 1 week ago Embedded Software Engineer Certain Advantage The Airport, Portsmouth (PO3), PO3 5PU £65 per hour 1 month ago Software Engineer (Full Stack) Spectrum It Recruitment Limited Hampshire £80000 - £100000 per annum + Benefits & Progression 1 day ago Principal Software Engineer Level 6 Morson Edge Southampton, Hampshire, SO15 £48.90 - 66.67 per hour + None 1 week ago Embedded Software Engineer Morson Edge The Airport, Portsmouth (PO3), PO3 £44.85 - 60.00 per hour + None 1 week ago Software Engineer C++ jobs Software Engineer C++ 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 C Software Engineer jobs Software Developer jobs Systems Software Engineer jobs Software Engineer Advanced jobs Computer Engineer jobs Program Development jobs Software Engineering jobs Junior Software Engineer jobs Software Developer C jobs C Developer jobs C Programmer jobs Software Engineer C++ jobs Lead Software Engineer jobs Get hired. Find success. Totaljobs Jobseekers Recruiters Download The Stepstone Group UK Ltd © 2026