Durlston Partners in London is seeking a Lead Software Engineer to own a core technical domain end to end, architect distributed services, and lead a small engineering team. On-site role with high-performance expectations in a deep-tech context....Read More>>.

Fortice is seeking Software Engineers to work on high-impact national security and policing projects. You will contribute from day one, building and delivering software across capability development programmes and complex data integrations....Read More>>.

Addition is seeking a Software Engineer to design, develop and deliver secure digital solutions for Defence and National Security contexts. You will work with Kotlin/Jetpack Compose on Android and with Rust/Python/Go on backend APIs, in a hybrid C...Read More>>.

Lead/Senior Software Engineer | Growing SaaS Scale Up We’re working with a high-growth SaaS scale‑up that’s building a modern, cloud‑native platform used by customers globally. As they continue to scale their product and engine...Read More>>.

Search AI Company in the United Kingdom is seeking a Software Engineer to join the Security EDR Workflows team. You will help build workflows and user-facing capabilities that empower Defend agent protection and incident response at scale.Y...Read More>>.

IRIS Software Group is hiring a Senior Software Engineer to lead the development of large-scale, full‑stack web applications serving millions of users. You will design, build and refine backend APIs with .NET Core and C#, while shaping frontend...Read More>>.

JPMorganChase is seeking a Sr Lead Software Engineer to drive secure, scalable technology solutions within Enterprise Technology. The role emphasizes AI-assisted development, architecture evaluation, and leadership across cross‑functional teams....Read More>>.

Microlise is seeking a Senior Software Engineer with AWS expertise to join a large, capable team in the Midlands. You will develop robust software, deploy to AWS, and mentor junior engineers across diverse projects.The role emphasises quali...Read More>>.

Opencast is seeking a Senior Software Developer who cares about engineering craft and robust design. You’ll work in agile teams, lead on technical delivery, and contribute to government-enabled digital services using Java or Scala.Expect...Read More>>.

Ravio is redefining how compensation data is used by global teams. We’re a fast-growing European leader helping hundreds of clients with real‑time pay data and tools. Join a scale‑up culture that values ownership, learning, and delivering hi...Read More>>.

Capital One (Europe) plc in Nottingham is seeking a Senior Software Development Engineer to own the Amazon Connect platform on AWS. You will lead by example, set engineering standards and mentor peers while delivering on a diverse set of technical...Read More>>.

Aurora Energy Research Limited seeks a Senior Software Engineer to join their AI team in Oxford, UK. You will manage a team, build systems where LLMs autonomously navigate data, and impact energy grid decarbonisation decisions. The role requires o...Read More>>.

Are you ready to shape the future of regulatory technology at JPMorganChase? Here, you’ll help drive innovation and operational excellence in one of the firm’s most critical business functions. You’ll collaborate with talented engineers,...Read More>>.

MHR Senior Software Engineer role in Nottingham hybrid: you'll design and deliver scalable cloud-based HR and payroll solutions on Microsoft Azure, shaping architectural direction and mentoring engineers while collaborating with Product Managers,...Read More>>.

Global software and engineering technology company is looking to expand its software engineering team in Cambridge. You will be working on a range of new development projects for a significant public facing web/cloud platform that is used exten...Read More>>.

Sentric, headquartered in Liverpool, is seeking a talented Software Engineer to join our product engineering team. You will design, develop, and deploy solutions that impact artists and the music industry, using a modern stack including C#, TypeSc...Read More>>.

CreateFuture in Edinburgh, Leeds, Manchester, London or remote locations seeks a Senior Software Engineer to build scalable Java, Node.js and AWS backends. You will shape architecture, mentor engineers, and drive AI/automation initiatives across c...Read More>>.

Coder is building the next generation of AI development infrastructure. As a Senior Software Engineer on Coder’s Engineering team, you’ll develop and evolve production systems powering our agentic development experiences.You’ll work a...Read More>>.

Opencast is seeking software developers who value craft over speed and relish problem-solving. You’ll work in a collaborative, client-facing consultancy, using Java or Scala, practicing TDD and pair programming, and delivering government-facing...Read More>>.

Thermoteknix Systems Ltd, based in Cambridge, develops AR and infrared imaging solutions for defence, security, and industry. You will contribute to the AR product portfolio, designing features, fixing bugs, and diagnosing issues in deployed units...Read More>>.

Thermoteknix Systems Ltd, based in Cambridge, UK, is seeking an experienced Embedded Software Engineer to help advance our AR and infrared product portfolio. You will design and implement new features, fix bugs, and diagnose issues in deployed uni...Read More>>.

LSEG is seeking a Software Engineer for its Real-Time Engineering team to work on a global low-latency market data platform. You will build APIs, telemetry pipelines and synthetic monitoring services to show how reliably market data reaches custom...Read More>>.

Groupe SII in the United Kingdom seeks a Software Engineer for Autonomy to support the development, deployment and evolution of software, data and AI capabilities across complex defence programmes.You will work with software engineers, arch...Read More>>.

Line Up Aviation represents a global aviation and defence client recruiting an Embedded Software Engineer for a 6-month contract based in Portsmouth. The role offers pay up to £60/hour via Umbrella (DOE) with an in-scope IR35 status.You wi...Read More>>.

SII UK is seeking a Software Engineer for Autonomy to advance software, data and AI across defence and technology environments. You will develop secure software, build CI/CD pipelines and integrate APIs within multidisciplinary teams to enable aut...Read More>>.

Sierra Nevada Corporation Mission Systems UK in St Athan is seeking a Senior Software Engineer (AI/ML) to contribute to advanced software solutions for UK defence and aerospace programmes. You will work with systems engineers and data specialists...Read More>>.