1 to 25 of 30 Software Engineering Jobs in Portsmouth

Head of Software Services Salary: from £90, 000 plus benefits, (pension (7% contribution), 25 days holiday & life insurance)) Location: Hybrid, Portsmouth We are looking for a Head of Software Services to join our Digital business. 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). Our team provides, adaptable and highly skilled capability, with a range of specialities to ensure that the right techniques are used to solve ...

programme in the Simulation & Training function Typical duties include (but are not limited to): • Apply a breadth of knowledge, skills and Knowledge of Systems Engineering and company approaches, techniques and governance to design and develop solutions and resolve engineering issues and problems for a range of products … engineering situations, compiling technical reports and accompanying presentations as required • Apply the Systems Engineering principles of ISO 15288 to the design and build of systems through the entire engineering lifecycle from requirement definition to system integration and customer acceptance into system support and disposal • Apply the Systems ...

Director of Software Development An exciting new opportunity with a high-growth B2B SaaS business scaling a complex, customer-facing platform used at significant volume. With continued investment in engineering, tooling, and leadership, they're looking for a Director of Software Development to help evolve and scale … their engineering organisation. This role suits someone who came up through software engineering, understands modern development at depth, and now leads through strong principles, clear thinking, and trust rather than command-and-control. The Role You'll own the end-to-end software development operation, leading ...

brand-new leadership role with the opportunity to shape strategy, delivery practices, and culture across a distributed team. If you combine deep software engineering roots with proven DevOps leadership experience and thrive in complex, outcome-driven environments, this could be the perfect fit. Key Responsibilities Own DevOps strategy … enable high-velocity, high-quality software delivery. Design and evolve scalable CI/CD, infrastructure, and deployment practices. Provide hands-on architectural leadership where needed. Lead and develop a global DevOps team. Partner with engineering and product leadership to ensure DevOps accelerates delivery. Key Skills Senior leadership experience ...

Azure, and on-premises platforms using Microsoft and/or Linux stacks Optimise infrastructure for security, performance, reliability, and cost efficiency Collaborate with Engineering teams to strengthen DevOps practices and improve cross-team workflows Monitor systems, troubleshoot issues, and implement solutions to ensure high availability Maintain accurate documentation, standards … operational processes About You You are a proactive and technically strong infrastructure engineer who enjoys solving complex problems and working closely with software engineering teams. Essential experience and skills: Proven experience designing, deploying, and administering AWS infrastructure Broad understanding of Microsoft hybrid cloud environments with solid working knowledge ...

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience … scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional ...

Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned 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 and in small teams. The Role: As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation, autonomy and geospatial fields ...

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 … 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 ...

expanding our platform to include advanced AI capabilities — voice and chat assistants, intelligent analytics, and predictive insights — and are seeking an AI Engineering Lead to define and deliver this vision. Job Summary & Purpose Own and drive Akixi's AI and ML strategy — from concept and architecture through hands … prototyping and deployment — to embed intelligence into Akixi's products and analytics platforms. As the AI Engineering Lead, you will define and execute Akixi's AI roadmap, combining leadership of architecture and engineering practice with hands-on development of prototypes and production features. You'll partner with Product ...

About Us: OpenSolar was founded in 2017 by global pioneers in solar software - Andrew Birch and Adam Pryor. OpenSolar exists to accelerate the adoption of solar and renewable energy globally. We provide the world's clean energy professionals with an end-to-end digital design, sales and management software … movement, creating a lasting impact on the world. All while being part of a passionate, fun, and highly collaborative team. The Role: The Principal Software Engineer (Full Stack) role is a full-time permanent position located in the United Kingdom and is a remote working role. You will have ...

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We're looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a ...

will be to design and bring to life AI products and features applied to the problem of Enterprise Vibe Coding (vibe coding for "serious software"), covering the full Software Development Lifecycle. To do this, you will work alongside the rest of the group to push the state … Intelligence and Machine Learning, and apply it to the problem of Enterprise Vibe Coding; Make use of techniques such as In-Context Learning (Prompt Engineering & Retrieval Augmented Generation) and Tool Calling to guide Agents to perform as intended; Work in an "eval-driven development" methodology, applying evaluation techniques such ...

marine industry. If you are a meticulous individual with a passion for working on cutting edge projects, this could be ideal for you. Senior Software Engineer Marine Defence applications Portsmouth Permanent Role Overview We are looking for a talented software engineer to help shape the future of intelligent … vehicle control systems. You’ll work on cutting-edge projects that blend software design, control systems, and real-world testing to deliver reliable, high-performance solutions. Responsibilities will include: Software systems architecture design and development in line with system requirements, with a focus on closed loop control ...

regulated, high-volume environments. This role is ideal for someone comfortable taking models from research through to deployment, with a strong appreciation for robust engineering, governance, and scalability. Responsibilities Design, build, and deploy machine learning models into production within a Financial Services environment Collaborate closely with Data Scientists, Software … experience with ML libraries (TensorFlow, PyTorch, scikit-learn) Experience deploying and supporting ML models in production Solid understanding of data pipelines, versioning, testing, and software engineering best practices Experience working with cloud platforms (AWS, GCP, or Azure) Nice to Have Experience with fraud, risk, credit, AML, pricing ...

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 … 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 ...

rounds. Since then, we've continued to grow rapidly as adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University … Edinburgh, giving you access to exceptional expertise and opportunities for continuous learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first ...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference … candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software engineer excited to help scale a fintech start-up. Here, you won't be bogged down by legacy code—you'll have the opportunity to build innovative, greenfield projects. ...

Principal Software Architect (FinTech SaaS) – UK Remote We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector. Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing for more efficient deployment of capital to the commercial sector. … high-visibility leadership role. You won't just be managing a team; you'll be fostering a culture of \"intellectual curiosity\" and engineering excellence across several multidisciplinary squads. You will be the bridge between complex product needs and robust, scalable reality—helping the business \"make it work, then make ...

Full-Stack Dev/Engineer (Python/AWS/React) Contract – Fully Remote (UK) Initial 6 months We're looking for Software Engineers to join a long-running, enterprise-scale digital programme delivering secure, user-centred services used at national scale. This is a fully remote contract, working within … mature engineering team operating in a regulated environment. What you'll do: Build and maintain Python backend services Deploy and operate services on AWS Contribute to React frontends using established design systems Write well-tested, production-ready code Work collaboratively in open, agile teams Key skills: Python (API/ ...

Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available, and we are now seeking … contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded software contact for the business Take ownership of embedded firmware development as projects arise Work closely with hardware and systems engineers Support development from concept ...

About the Role: We are seeking talented Software Engineers at various experience levels to join our UK-based software development team. The successful candidates will design, implement, and maintain high-quality software solutions in an agile environment. You will work primarily in C++ using modern tools … open source frameworks, contributing to innovative software for advanced navigation and important systems. Key Responsibilities: Capture and evaluate technical requirements, estimating delivery timescales and milestones. Design, implement, and maintain software across back end, communication infrastructure, and client-server applications. Develop front-end graphical user interfaces. Conduct software ...

expertise in Linux networking data path and kernel-level networking (such as XDP, eBPF, DPDK, iptables, nftables), in addition to strong systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and/or low-latency environments. Deep … hardware mitigation platforms. Building high-rate telemetry/streaming pipelines for near-real-time detection (packet/flow analytics). Background in resilience engineering, chaos testing, disaster recovery, and capacity planning at hyperscale. Containerization/orchestration (e.g., Kubernetes) and secure service-to-service communication (mTLS, policy enforcement). Familiarity ...

C++ Software Engineer - Fully Remote - Up To £200k We're currently working with a global leader in software development, offering a fully remote position for a Senior Software Engineer specializing in C++. They are experiencing an exciting period of growth and are looking to bring in more … working independently Strong communicator If this does look like something that could be of interest please apply as interviews are being scheduled! C++ Software Engineer - Fully Remote - Up To £200k ...

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 ...

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 ...