551 to 575 of 1,320 Senior Software Engineer Jobs in the UK

center of everything we do. What is the role? As part of our team, you'll leverage your diverse skills to support both Software Engineers and QA Engineers, tackling the daily challenges of their roles. Your specialist knowledge will be invaluable in suggesting improvements to enhance quality and streamline … workflows, ensuring we continue to exceed our customers' expectations. As a Senior Software Engineer (SDET), you'll be the transformational force that revolutionizes our testing approach. You'll leverage AI and advanced analytics to identify quality gaps, architect intelligent testing solutions, and establish new standards for test ...

recently public company, you’ll have the autonomy and support to make an impact as we build for the long term. As a Senior Software Engineer on the Safety Detection Precision team, you’ll help close the gap between AI detection of safety risk on the road … generation of detection models and ensuring today’s detections translate into meaningful real-world risk reduction. This role is a strong fit for an engineer who enjoys shaping ambiguous, high-impact systems end-to-end and wants to directly influence customer trust and value in Samsara’s Safety products. ...

Mondrian Alpha is seeking a Senior Software Engineer to join a high-performing team. You will own projects from design through deployment, building modern business systems, cloud data platforms, APIs, automation and AI-enabled solutions that support the investment platform. You will work directly with investment, finance … operations teams to deliver impactful software, leveraging AI-assisted engineering and modern tooling. #J-18808-Ljbffr ...

Halliburton is seeking a Senior Software Engineer to design, develop, and modernize high-performance Rock Physics desktop and cloud applications. You will own the technical direction, write code daily, review pull requests, and drive architectural decisions. You will lead migration of legacy C/C++ codebases ...

sites. We can both help traders make decisions about how to trade, and disaggregate said trades into per-asset dispatch decisions. This is production software with genuine commercial and operational impact. It not only support key traders' workflows, but also it drives physical asset dispatch and the delivery … work with data scientists and traders to turn prototypes into reliable, well tested services they can trust. The Role We’re looking for a Senior Software Engineer to join Humboldt and help shape Asset Backed Trading as it grows into new countries and capabilities. You will work ...

opportunity We are hiring for a Senior Software Engineer to join our Web Platform team here at Unity. Unity's Web platform lets games and real-time 3D content run in a browser, on any internet connected device. Browser capability has moved fast, browser gaming is going ...

FullFibre is hiring a Senior Software Engineer to join the Systems, Development and Data team. You will work on Python microservices, Rust modules, web apps, and API integrations, building new features and end-to-end delivery in a remote-first UK team. You’ll lead architecture, collaborate ...

CoreWeave in London seeks a Senior Software Engineer, Inference, to own architectural designs and raise engineering standards across multiple services. You will partner with product, orchestration, and hardware teams to evolve a Kubernetes-native inference platform while meeting strict P99 SLAs at scale. You will lead design ...

Darktrace is seeking a Senior Software Engineer to own the prototyping and development of innovative ideas, balancing creativity with practical delivery. You’ll work with a cross-functional team across engineering, design, project coordination and technical strategy to scale Darktrace’s services. This hybrid role requires attendance ...

Printed.com is seeking a Senior Software Engineer to join our Engineering team. You’ll work on PHP (Symfony/Laravel) applications on AWS (EC2 and EKS), contributing across multiple projects while shaping engineering practices. The role requires initiative, strong problem-solving, and mentoring others; the position ...

Lloyds Banking Group in Edinburgh is seeking a Senior Software Engineer to design, build and evolve modern payment solutions. You will join the Payments Services Platform team to enable millions of customers and businesses to move money safely, quickly and confidently. The role focuses on scalable, secure … software, cloud-native delivery and collaboration with cross-functional teams in a hybrid setup. A strong background in Java and cloud platforms is essential. #J-18808-Ljbffr ...

Legora is redefining how legal work is done. As a Senior Software Engineer, you will build, review and ship products that help legal professionals worldwide, with ownership across the stack. You will work with TypeScript, React, Node.js, AWS, Azure and Kubernetes, review code, mentor juniors, and drive ...

Landmark, a Halliburton company, is seeking a senior software engineer to own features end to end across multiple domains. You will work on critical production software used by engineers and operators worldwide, contributing to design, implementation, testing and delivery with minimal supervision. Strong fundamentals and ability ...

complete FSM product suite, achieved through a blend of organic growth and strategic acquisitions. This has positioned us as one of the fastest-growing software houses in the UK. Our Workforce Rostering solution empowers organisations to efficiently build staff rosters, ensuring the right people with the appropriate skills … .NET Core, and React. To support this exciting project, we are assembling a new development team in Birmingham. Role Overview We are seeking a Senior Software Engineer to join our team and play a pivotal role in modernising our Workforce Rostering solution. As part of a collaborative ...

global payments technology company in Greater London is looking for a Senior Software Engineer to develop next-generation payment technologies. The role involves leading projects, designing scalable systems, and collaborating with cross-functional teams. Ideal candidates will possess a Bachelor's or Master's degree in Computer ...

About The Role RAC are on the lookout for a Senior Backend .Net Software Engineer to lead within our Breakdown team, which is the squad behind the digital tools that help customers receive the right breakdown support when they need it most. This high-traffic, mission-critical … experience. You’ll play a pivotal role in delivering our technical vision and elevating engineering standards across the RAC. As one of the most senior engineering voices in our Digital & Technology teams, you’ll drive best practice, influence architecture and design decisions, and help shape our future technology landscape. ...

it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. DRW has an opening for a Senior Software Engineer focused on digital assets. The team builds and operates systems that move and safeguard cryptoassets across the firm — including treasury automation, wallet … digital asset operations and related business partners. Partnering with those teams to turn ambiguous business problems into clear technical plans and shipped software. Owning software end-to-end after it ships — we run what we build (deploy, operate, on-call); we don’t hand systems off to a separate ...

Financial Times as one of Europe's fastest-growing companies for two consecutive years—and a UK Best Employer for 2026. As a Senior Software Engineer I at Thought Machine, you will own and deliver highly complex, end-to-end engineering work items. You will look beyond … your team, solving ambiguous problems, guiding less experienced engineers, and actively shaping our technical and product roadmaps. This is a role for an engineer who values clean, maintainable systems, embraces an egoless approach to collaboration, and is driven to deliver robust solutions to production. What You’ll Do Technical ...

operators across the globe. Position Summary At Light & Wonder, we’re building the technology that powers the next generation of gaming experiences. As a Senior Software Engineer, you’ll play a key role in developing a shared game framework used across multiple products, platforms, and teams. … technology trends, applying relevant innovations to enhance the framework and development process. What You’ll Bring Proven experience building complex, scalable, and maintainable software systems. Strong object-oriented programming skills and proficiency in at least one language such as TypeScript, C#, C++, or similar. Hands-on experience working with ...

Fortinet is seeking a Senior Software Engineer for the Agent Endpoint DLP team, based in Moorgate, London. You will drive new capabilities in the FortiDLP endpoint agent, with a focus on kernel-level development and secure, high-quality code in a fast-growing cybersecurity environment. You will ...

prominent financial technology firm in Greater London is looking for a Senior Software Engineer to design and build resilient, event-driven systems. You'll engage across the engineering lifecycle while using modern AI-assisted tools. Candidates should have over 5 years of experience in software development ...

Loyalty in London is seeking a Senior Software Engineer to shape our Pricing Service, the engine behind Avios rewards. You’ll design, build and operate cloud-native services using Java, Spring Boot and AWS, influencing technical direction while mentoring peers. You’ll work in a collaborative product ...

Roku is seeking a Senior Software Engineer to help architect core systems underpinning the user experience across devices. You will lead engineering efforts in C++, Python tooling, and graphics pipelines, delivering high-performance UI components across a hybrid work model. The role requires deep knowledge of memory ...

Surgical is seeking a Senior Software Engineer to join our Data department and build data platforms and infrastructure for Versius across the globe. You will design and implement data pipelines, develop Python services, and work with AWS-based architectures. The role emphasizes reliability, scalability, and collaboration across ...

time working on customer focused features that improve the user experience, from content discovery and search to Roku pay and subscription to embedded software and firmware, and much more. Our product roadmap helps us accelerate our growth and scale, putting surprising new features into the hands of tens … deeply collaborative environment. We are the pragmatic dreamers inventing and re-inventing the world of streaming media. What is the role? As a Senior Software Engineer on the OS UI/SDK team, you will design, develop, and deliver engaging platform features — including screensavers, static and dynamic ...