776 to 800 of 1,349 Senior Software Engineer Jobs in the UK

digiLab is seeking a Senior Software Engineer (Machine Learning) to join on-site in Exeter or Bristol. You will contribute to the core Uncertainty Engine, building robust Python-based back-end services and APIs, and integrating ML capabilities for production use. You will work within a fast … paced, collaborative environment, applying best practices and modern software engineering to tackle impactful problems. #J-18808-Ljbffr ...

Instil Software Ltd is seeking experienced Senior Software Engineers to design, build, and operate scalable cloud-native solutions using Java, Python, C#/.NET and TypeScript. You’ll influence architecture, drive API design, and guide production deployments across AWS, Azure, or GCP. You’ll work with cross ...

Title: Senior Python AI & Data Engineer Job Description This full-time role, based in Sheffield, focuses on designing and delivering intelligent data workflows that connect enterprise systems with large language models and agentic AI solutions. You will develop and evolve a Gen AI-powered case management platform that … enables users to retrieve accurate summaries, insights, and recommendations from both structured and unstructured data. As a Senior engineer, you will provide technical leadership, drive the adoption of modern AI engineering practices, and ensure that AI-powered solutions are robust, scalable, and reliable. Responsibilities Design, develop and maintain ...

Acteon invites a Senior Software Engineer to join UTEC, its Geo-services line in the UK. Based in Wokingham, you will develop and maintain .NET applications, including WPF and ASP.NET Core front/back end, with containerised deployments and REST interfaces. You will work within an Agile ...

Selection is seeking a senior/mid-level software engineer for a hands-on role focused on data collection and analysis software for cutting-edge scientific instruments. You will help with instrument control, debug embedded software, and contribute to testing in a small software ...

Prime Video, a UK-based global entertainment leader, seeks an experienced Senior Software Development Engineer III (SDE3) to join the Content Partners Financial Terms team in London. You will help design and deploy scalable financial systems handling transactions for a vast content catalog, collaborating with multiple teams … across the globe. You will work on architecture and code in Java, C++, or C#, mentoring peers, and driving high-quality software delivery in a fast-evolving environment. #J-18808-Ljbffr ...

Optos PLC in Dunfermline is seeking a Senior Software Engineer to develop and enhance retinal imaging workflows and clinical data management solutions. You will focus on UI and application layer development, while integrating with Optos' image and metadata platform. The role requires collaboration with Product, DevOps … other engineering teams in an Agile setting. The position emphasizes hands‐on software development, high quality, scalable and compliant solutions for the medical eyecare #J-18808-Ljbffr ...

Foundationhealth is seeking a Senior Software Engineer in Manchester to revolutionize healthcare through AI. You will own feature development end-to-end and collaborate closely with a rapidly evolving technical leadership team. The role emphasizes flexibility, technical influence, and ownership of features. Benefits include generous paid time ...

慨正橡扯 is seeking a Senior Software Engineer to drive innovation within the Electronic Trading Services Platforms in Greater London. You will lead multiple complex projects, mentor teams, and align technical strategies with business goals. The ideal candidate has over 10 years of experience in software engineering ...

seeking a Senior Software Engineer specialising in Identity and Access Management (IAM) to shape secure digital services across web, mobile and API platforms. You will own the design and delivery of modern authentication and authorisation solutions, enabling clients to innovate with confidence. This hybrid role offers collaboration ...

world’s largest providers of products and services to the global energy industry. Job Duties About Landmark Landmark, a Halliburton company, builds the software and data platforms that help the global energy industry make better decisions. Our products span subsurface interpretation, well construction planning, reservoir simulation, production optimization … About the Role You own the full development cycle for the features and systems your team assigns you. At Landmark, that means working on software that oil and gas operators depend on for high‐stakes decisions. You take a feature from specification through design, implementation, testing, and delivery with ...

ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built … next. We create scalable systems, simplify complexity, and use AI and automation to amplify our impact. About the Role Lightning AI is seeking a Senior Infrastructure Software Engineer to join our Infrastructure Engineering team. Our Infrastructure Engineering team builds the software systems that operate and manage ...

Synack, a security tech company, seeks a Senior Software Engineer (AI) in the UK to design and ship autonomous AI agents for penetration testing within sandboxed environments. You will own end-to-end systems, improve prompts, tool integration and cost optimization while collaborating with security researchers. This ...

Navan has transformed the corporate travel, payment, and expense landscape by consistently prioritizing user needs We are seeking a Senior Software Engineer (Backend) for our AI-first engineering team to drive the architecture of a next-generation corporate expense management platform In this role, you will scale ...

Craneware, a company delivering cloud-based healthcare data solutions, seeks a Senior Software Engineer in Edinburgh to design and deliver high quality software. You will work with a talented, agile team on Azure-based cloud platforms, REST APIs, and data processing workloads, mentoring colleagues and driving architectural ...

Senior Full Stack Developer at Car Finance 247 is a passionate, backend-leaning technologist with a strong interest in modern web technologies and best practices. You'll have advanced experience with Vue 3 and its associated ecosystem, TypeScript, and Node, and be comfortable working with SQL - and because … design and maintain much of the UI, your deepest work will be on the server side. This role is ideal for a senior engineer who enjoys owning their work end-to-end, from shaping solutions and making architectural decisions through to delivery and ongoing improvement. ...

iProov is seeking a Senior Software Engineer (Windows) to lead the development of the Workforce product on Windows platforms. You will architect and implement core components, including the Windows SDK, Windows Authentication with Liveness, and certificate-based authentication via Windows Login. You will collaborate with the Engineering ...

Roku is seeking a Senior Software Engineer to contribute to its containerized web platform, combining modern web tech with AI to build scalable, reliable cloud-based applications. You’ll work across frontend and backend services, delivering high-impact features used by millions of TV streamers. ...

Senior AI Engineer Join us, be part of more. We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that energise a greener, fairer future by creating … model, a multi‐channel customer‐facing agent spanning voice, chat and WhatsApp, and a standalone agentic webchat service running on AgentCore Runtime. As a Senior AI Engineer you will own the intelligence layer of these products. That means the agent’s reasoning and orchestration, the tools ...

Aurora Energy Research Limited seeks a Senior Software Engineer (AI) to lead backend systems supporting cloud-based tools for grid modelling and energy market analysis. You will guide a small, fast-paced team and own projects from concept through production, delivering data-driven AI-enabled decisions ...

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 over 10 years of backend systems experience and excellence ...

team that's constantly pushing the envelope to enhance, build, and deliver mission critical foundational services for the Public Cloud Atlas product. As a Senior Lead Software Engineer at JPMorgan Chase, within Cloud Foundational Services Marketplace (Infrastructure Platforms), you are an essential part of a curious … application of deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies. As a Lead Software Engineer you are in the middle of the most complex problem areas driving out solutions with the team. Job Responsibilities Regularly provides technical guidance ...

Everfox is seeking a senior software engineer to architect and implement features across diverse languages and internal codebases, with a strong emphasis on AI-enabled products and measurable safety guardrails. You will prototype quickly, integrate AI models and APIs, design prompt and context strategies, and contribute ...

Longshot Systems Ltd is seeking a Senior Software Engineer to join the team that owns and develops our trading platform. You will architect and implement features to meet performance, stability, and product goals while upholding technical standards, CI/CD, observability and security. Our Golang-centric stack ...

software and data science consultancy is seeking an experienced Software Engineer to design and deliver software solutions. This role offers a hybrid working model and competitive salary starting from £50,000. The ideal candidate will have at least 5 years of experience in performant software ...