526 to 550 of 1,140 Senior Software Engineer Jobs in England

Marks & Spencer Plc is seeking a Senior Software Engineer for the Commercial Trading domain. You’ll contribute to building robust, scalable backend systems, delivering value across the business, and shaping technical direction with a focus on observability and engineering excellence. You will mentor engineers, drive architectural decisions ...

BigCommerce Pty is seeking a Senior Software Engineer in London, offering a hybrid work model. This role involves designing reliable services and APIs, working across backend systems, and tackling ambiguous problems effectively. The ideal candidate will have strong backend engineering experience, production debugging skills, and a solid ...

Alianza, Inc. is seeking a Senior Software Engineer to join its Infrastructure Engineering group in Cambridge. You will own and deliver complex projects end-to-end, working across architecture, deployment, and optimization in a high-availability environment. You will use AI-assisted tooling, mentor engineers, and drive ...

QinetiQ Limited is seeking a Senior Software Engineer to lead the development of complex features within their dynamic team based in Salford, England. The role emphasizes autonomy and collaboration, requiring strong leadership skills and a focus on quality coding practices. Your responsibilities will include mentoring junior engineers ...

Perk is seeking a Senior Software Engineer to own features end‐to‐end, from understanding customer pains with product and design docs to coding, testing and deployment. You will influence the architectural direction and measurable impact on our global platform. You’ll work in small cross‐functional ...

Intact Insurance is seeking a seasoned Senior Software Engineer to lead the MS Power Platform team in designing, building, and supporting enterprise-grade applications. You will collaborate with stakeholders across the business to shape solutions using Model Driven Apps, Dataverse, and Power Automate. The role emphasizes technical … leadership, architecture oversight, and continuous improvement within a modern software engineering culture. #J-18808-Ljbffr ...

have an exciting opportunity for a Senior Software Engineer to join the Operational and Regulatory Technology department for an award-winning investment platform, offering a collaborative team working environment, training and excellent career progression. Our strategy is to have a cross functional development team, with team members ...

LADbible Group seeks a Senior Software Engineer to build and develop AI-powered products and business tools. You will lead features from discovery through deployment, collaborate with stakeholders and shape secure, reliable applications that solve real business needs. You’ll work across platforms, contribute to architectural decisions ...

Menlo Security is hiring a Senior Software Engineer to join the Threat Protection and ShadowAI team in the UK. This role focuses on building services that detect and control risky web and AI usage for customers, ensuring secure browsing across Menlo's cloud platform for humans ...

Duffel in London is hiring a Senior Software Engineer to shape the product and the team building it. This hands-on role focuses on building a world-class API for travel, collaborating across squads, and shipping scalable software in a hybrid setup near Shoreditch. ...

level C++ frameworks, rendering pipelines, and system architectures that enable smooth navigation and rich animations. Our work sits at the intersection of hardware and software, where we optimize graphics rendering, memory management, and layout engines to ensure a consistent, lightning-fast experience across our entire device portfolio. We operate … environment, partnering closely with firmware and silicon teams to push the boundaries of what’s possible on embedded hardware. About the role As a Senior Software Engineer, you will be a key architect of the core systems that underpin Roku’s user experience. You will design ...

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 … dedication to excellence is why we’ve been recognized as a Best Place to Work by Built In (2023–2026), a G2 Best Global Software Company (2025–2026), Forbes Cloud 100 (2022–2025), and CNBC Disruptor 50 (2022–2025). At Navan, we provide an environment where top talent ...

CommonAI CIC is seeking a Senior Software Engineer to help deploy, extend and optimise vLLM and related inference engines for our AI infrastructure projects. You will work across the Scaling Inference Lab and the High Assurance programme to drive performance, reliability and safety in production‐grade systems. ...

Clearwater Analytics, Ltd. is seeking a Senior Software Engineer to join the Beacon Core Engineering team. You will design, build, deploy, and maintain high-quality code, collaborating with cross-functional teams to enhance our Beacon Cloud platform and client tooling. The role emphasizes using AI agents ...

Attest is seeking a Senior Software Engineer to join the Measure squad and help evolve our quantitative survey platform. You will work across frontend and backend, building scalable features and shaping direction while mentoring teammates. The role emphasizes AI-native development, real-time data, and robust visualisations ...

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 ...

Sculley and is headquartered in New York City with offices around the world. To learn more, go to www.the company.com. THE ROLE As a Senior Software Engineer on the LiveIntent Real-Time Ad Serving team, you will design, develop, and own the business logic that powers programmatic … integration Participate in architecture discussions and influence the technical roadmap Participate in on-call rotation to support production systems DESIRED CHARACTERISTICS 5+ years of software engineering experience in backend development Deep understanding of computer science fundamentals: data structures, algorithms, performance optimization Experience building and operating distributed systems in production ...

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 client engagements. Strong design sense, collaboration and delivery focus are essential. ...

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 client engagements. Strong design sense, collaboration and delivery focus are essential. ...

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 client engagements. Strong design sense, collaboration and delivery focus are essential. ...

Infor MES is seeking a Senior Software Engineer to advance knowledge graphs and semantic modelling within our manufacturing AI-enabled platform. You will connect MES, IoT, and enterprise data into rich, contextual models that power diagnostics and decision support. You will design scalable data architectures, collaborate with ...

Light & Wonder is seeking a Senior Software Engineer in Manchester to help build a next‐generation, cross‐platform game framework powering experiences across web, mobile, desktop and land‐based gaming platforms. You will design and develop core framework components, influence architecture, and tackle complex performance challenges. ...

Perk is hiring a Senior Software Engineer to own end-to-end technical delivery in a global platform. You will shape roadmaps, design scalable systems, and uphold engineering standards across the stack. Your role includes mentoring, cross-team collaboration, and driving impactful technical decisions. We work with ...

Gemba Advantage in London (Hybrid) is seeking a Senior Software Engineer to design and deliver secure, scalable systems for critical public sector projects, requiring active SC clearance and DV eligibility. You will join two sister teams, work on cloud-native services, and help raise engineering standards while ...

National Physical Laboratory in Birmingham is seeking a Senior Software Engineer to lead the design and architecture of systems that support security testing. This hands-on role requires expertise that directly impacts national security by ensuring the delivery of secure software. Ideal candidates will possess strong technical ...