Software Engineer C++

Software Engineer C++ in Portsmouth, Hampshire | Sirius Digital Find a job Post a job Sign up Never miss an opportunity. We’ll find jobs that fit Get Started Search These jobs were popular with other job seekers Senior Software Engineer Sirius Digital Portsmouth, Hampshire benefits, pension (7% contribution), 25 days holiday & life insurance 1 month ago Software Engineer STSdefence Gosport (PO12) Competitive salary and Corporate Benefits 1 week ago Senior Software Engineer STSdefence Gosport (PO12) From £55,000 to £60,000 per annum Competitive salary and Corporate Ben 1 month ago Software Development Manager (TypeScript, SaaS, Agentic AI) Hays Portsmouth (PO1), PO1 £90000 - £100000 per annum + £90-100k 3 weeks ago Lead Software Engineer Saab UK Fareham (PO14), PO14 Negotiable 3 weeks ago Senior Software Engineer Bright Purple Resourcing Poole (BH14) Up to £80,000 3 weeks ago Embedded Software Engineer Set2Recruit Southampton (SO14) From £60,000 to £70,000 per annum 1 month ago Lead Software Engineer Hackajob Ltd Bournemouth, Dorset Competitive 5 days ago Lead Software Engineer Hackajob Ltd Bournemouth, Dorset Competitive 5 days ago Embedded Software Engineer (DSP) Morson Edge The Airport, Portsmouth (PO3) Umbrella 1 month ago Software Engineer C++ Sirius Digital View Profile Portsmouth, Hampshire Permanent Contract; Hybrid Published: 1 month ago benefits, pension (7% contribution), 25 days holiday & life insurance Apply Save Software Engineer C++ Sirius Digital Apply 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. 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. Apply Sirius Digital Banking and Financial Services 3 Jobs Company Profile In Short Industry IT & Telecommunications Founded 2020 Location Portsmouth, UK Company size 251-1000 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 Senior Software Engineer Sirius Digital Portsmouth, Hampshire benefits, pension (7% contribution), 25 days holiday & life insurance 1 month ago Software Engineer STSdefence Gosport (PO12) Competitive salary and Corporate Benefits 1 week ago Senior Software Engineer STSdefence Gosport (PO12) From £55,000 to £60,000 per annum Competitive salary and Corporate Ben 1 month ago Software Development Manager (TypeScript, SaaS, Agentic AI) Hays Portsmouth (PO1), PO1 £90000 - £100000 per annum + £90-100k 3 weeks ago Lead Software Engineer Saab UK Fareham (PO14), PO14 Negotiable 3 weeks ago Senior Software Engineer Bright Purple Resourcing Poole (BH14) Up to £80,000 3 weeks ago Embedded Software Engineer Set2Recruit Southampton (SO14) From £60,000 to £70,000 per annum 1 month ago Lead Software Engineer Hackajob Ltd Bournemouth, Dorset Competitive 5 days ago Lead Software Engineer Hackajob Ltd Bournemouth, Dorset Competitive 5 days ago Embedded Software Engineer (DSP) Morson Edge The Airport, Portsmouth (PO3) Umbrella 1 month 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 Software Developer jobs Coder jobs Graduate Software Engineer jobs IT Developer jobs C Software Engineer jobs Software Programmer jobs Scientific Software Developer jobs Software Engineering jobs Head Of Software Engineering jobs Entry Level Software Developer jobs Application Programmer jobs Application Software Developer jobs Software jobs Software Developer C jobs C++ C jobs Get hired. Find success. Get started Totaljobs About us Careers at Totaljobs Press Partners Privacy policy Terms and conditions Cookies Legal and compliance Accessibility Jobseekers Salary Planner Jobseeker help centre Career advice Recruiters Post job ads Recruiting news Courses Contact us - recruiters Recruit internationally Download App store Play store The Stepstone Group UK Ltd © 2026 We use cookies We use cookies to operate our website, measure how people use our services to help us improve them, enrich usage profiles and personalise the content displayed to you. We also share information about your use of our site with our social media, advertising, and analytics partners, who may combine it with other information, to show you relevant ads on other websites, and to measure the performance of our advertising. Some cookies are essential for the operation of our website. If you would prefer us not to use the non-essential cookies, click “Just necessary”, but please be aware that this may impact your experience of our site and the services we are able to offer. Click “Accept” if you’re happy for us to place these cookies. You can change your mind at any time. Store and / or access information on a device Cookies, device identifiers, or other information can be stored or accessed on your device for the purposes presented to you. Personalised ads and content, ad and content measurement, audience insights and product development Ads and content can be personalised based on a profile. More data can be added to better personalise ads and content. The performance of ads and content can be measured. Insights about audiences who have viewed the ads and content can be extracted. Data can be used to build or improve user experience, systems and software. Display third-party content (social networks, videos) Content from social networks and embedded content from third-party providers can be displayed. Identifiers derived from authentications If an identifier is created based on authentication data, such as contact details associated with online accounts you have set up on websites or apps (e.g. email address, phone number) or customer identifiers (e.g. an identifier provided by your telecommunications provider), then this identifier can be used to recognize you across websites, apps and devices if you are logged in with the same contact details. Just Necessary Accept All Cookie Settings You can also exercise your right to object to data processing based on legitimate interests under “Privacy Policy”. Privacy Policy Cookie policy