576 to 600 of 1,348 Senior Software Engineer Jobs in the UK

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 ...

Menlo Security is hiring a Senior Software Engineer to join the Threat Protection and ShadowAI team in the UK. You will design, build, and own features that protect enterprises from web threats and AI-based risks, delivering scalable services in a secure cloud environment. You will work ...

company is hiring a Senior Software Engineer II to join the OPX team within the Developer Experience organization. You will design and build automated reliability and self-healing systems at scale, delivering platform tooling that engineers across the company adopt for their services. You will own incident ...

CybSafe is seeking a senior software engineer to own product features end to end, from problem shaping to production. You'll work within a small autonomous squad alongside product, design, and science teams, guiding roadmap conversations in ambiguity. The ideal candidate has strong Python experience, relational database ...

United States Digital Space LLC is looking for a Senior Software Engineer to join the FX Routing and Aggregation team. In this role, you will be responsible for building and maintaining essential FX trading services that support clients globally. You will utilize a modern technology stack including ...

Role Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This is a high … communicator who can explain complex ideas clearly Passionate about mentoring and raising team standards This role offers a clear path into Staff or Lead Engineer positions Drive architectural decisions across multiple teams Own complex, cross-cutting AI systems Benefits at Aveni. What you’ll love: Remote-first working across ...

technology company focusing on media processing seeks a Senior Software Engineer in London. You'll engage in full-stack development, emphasizing infrastructure to scale systems for leading news organizations. This hybrid role allows you to impact critical engineering decisions and work with AWS, MongoDB, and more. Strong … experience in software production and a proactive mindset are essential. Interested candidates can email their CV to talent.engineering@trint.com. #J-18808-Ljbffr ...

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 … resource management, and developer tooling, this team creates the platform capabilities that every customer and engineering team depends on. We're looking for a Senior Software Engineer to help design, build, and scale these core systems. You'll work on backend services that support researchers, startups ...

RedRock Resourcing in Reading, United Kingdom, seeks a Senior Software Engineer to join Agentic Engineering initiatives. You will leverage AI coding agents to refactor and modernise complex legacy systems, building the engineering harness and governance needed for safe AI-driven development. The role emphasizes a strong C# ...

Novatus is evolving its core domain services as a Senior Software Engineer, building and maintaining systems in a modern domain-driven, event-driven architecture. You will help re-platform from a legacy Django app to a service-based .NET platform on AWS, delivering precise, auditable regulatory reporting ...

Legora, an AI-native legal tech company, seeks a Senior Software Engineer to build, review and ship products for legal professionals worldwide. You will own features across the stack with autonomy and collaborate with a talented team. You will work with TypeScript, React, Node.js, AWS, Azure ...

mission-driven tech organization in Manchester is seeking a Senior Software Engineer to build scalable, cloud-native systems. The ideal candidate will work in a collaborative DevOps environment, managing a product's lifecycle from ideation to production support. Key skills include TypeScript (Node, React), AWS (serverless ...

Software Engineer (Golang) | High-frequency trading (HFT) We're also looking for Quantitative Modellers, ML Experts & Software Engineers. Were looking for experienced individual contributors (IC) to join a high impact HFT team, voted one of the best places to work (showcased by their high, longstanding, employee tenure … . Join a company with a decade of exposure alongside a huge emphasis on work life balance (very senior team with a lot of freedom and ownership). Essential Skills 4+ years programming exposure with Go/Golang or similar Understanding of AWS to build pipelines. Understanding of high ...