701 to 725 of 1,348 Senior Software Engineer Jobs in the UK

building the engineering team that takes that foundation and turns it into a world-class product and platform. As a Founding Senior Engineer, you'll have an unusually broad mandate: building the product security teams work in, evolving the distributed platform our agents run on, and helping establish … agents run on. Build for long-running, concurrent offensive-security workloads, owning the reliability, capacity, latency and cost characteristics that come with them. Engineer for an unusual threat model. Our platform intentionally runs offensive tooling against customer environments. Authorisation, tenant isolation, secrets, controlled execution, threat modelling and auditability ...

building user-friendly products that delight our 15,000+ customers and their 1.5 million employees. Ready to make an impact from day one? Senior Software Engineer – Backend Product, Technology & Design Full Time London Personio's intelligent HR platform helps small and medium-sized organizations unlock the power … 000+ customers and their 1.5 million employees. Ready to make an impact from day one? About The Role We're hiring multiple Senior Backend Engineers into our AI team in London. This team owns Personio's AI experiences end to end. That means the model layer (how we interact ...

world of streaming media. What is the role? Roku pioneered streaming to the TV and continues to innovate and lead the industry. The Senior Software Engineer will contribute extensively to the embedded UI framework development, working closely with system architects to develop new features and extend current … that support the larger development community within Roku What experience would help someone be successful in this role at Roku? 3+ years of relevant software development experience Proficiency in modern C++ with the ability to debug and extend embedded or firmware codebases Strong Python experience for building developer tooling ...

Ebury Group in London is seeking a Senior Software Engineer to help build and maintain the AML platform with real-time sanctions screening and transaction monitoring. You will design scalable, high-availability services in a regulated environment. You will collaborate across teams, contribute to RFC-driven architecture ...

core. Check outour demo and website to get a better sense of how it works. About the role We are looking for a Senior Software Engineer with strong enterprise JVM experience. This role is a good fit for someone proactive and excited by complex engineering challenges … like to have you on the team if you: Have extensive experience with Java, Kotlin, and JVM systems. Have worked on enterprise backend software, infrastructure, or developer tooling. Are comfortable with Kubernetes and cloud environments. Take ownership, communicate clearly, and move things forward without waiting for perfect specs. Enjoy ...

edgeconnectivity solutions and technologies to ensure a vast array of devices stay seamlessly connected. Join the Wireless Logic Adventure : You will report into a Software Engineering Manager for the Zero Gravity squad in the Product Experiences Domain. You’llcollaborate with your Product Manager, Engineering Team Lead, DeliveryManagerand engineering colleagues … governance. You’ll move on to rethinking how customers and our internal teams manage SIMs and devices at scale. We’re looking for a Senior Software Engineer who has primarily specialised in building backend systems, but also one who is keen to learn new ideas, make ...

Light & Wonder, Inc. in Manchester, UK, is seeking a Senior Software Engineer to help build a next-generation, cross-platform game framework powering experiences across web, mobile, desktop, and land-based gaming. You'll design and develop core framework components, influence architectural directions, and tackle complex performance ...

Triwill Group, on behalf of a partner, is seeking a Senior Software Engineer (Token Factory) based in the United Kingdom. You will join an AI-focused R&D team building infrastructure for the next generation of large language models. You'll design and develop large-scale platforms ...

Bauer Media Group Heinrich Bauer Verlag KG in Manchester is hiring a Senior Software Engineer to help build and scale our in-house audio platform. You will own key features from design to deployment, mentor peers, and drive secure, resilient systems in a product-led, agile environment. ...

Everyone contributes. No one coasts. If you’re driven by impact, pace, and raising the bar. This is the place. The role As a Senior Software Engineer at the company you will build, review and ship amazing products helping legal professionals all over the world in their … them in their development, making the team even better! Drive continuous improvement and challenge us, the industry and yourself Who you are A passionate engineer with several years of experience building great products using cutting-edge technologies You feel comfortable working across the entire tech stack, with focus ...

Trade Desk in London, United Kingdom is seeking a Senior Software Engineer to own end-to-end delivery of significant features in our event tracking and data platform. You will build tools enabling self-service data access and insightful dashboards for multiple teams, including business and product ...

UNITED in London is seeking a Senior Software Engineer to help build and evolve our real-time liability and risk platform for sports betting. You will work on our Core Liability engine — a modular, event-driven system — delivering fast, accurate live insight into positions and risk. ...

Softcat plc is seeking a hands-on Senior Software Engineer to join our Service Systems Team. You will contribute as a core coder within a cross-functional product squad, delivering production-ready code and shaping technical direction with the Team Lead and Principal Engineer. You’ll work ...

customers include some of the world’s largest airlines and ground handling providers. For more information, visit www.aerovect.com. We are looking for an experienced Senior Software Engineer who can design and build best-in-class behavior planning systems for autonomous driving in structured, low-speed environments. … modeling, rule-based and learned decision-making, and robust handling of edge cases unique to airport ground operations. This opportunity offers a deeply technical engineer the chance to shape a market-defining enterprise product that combines autonomous vehicle technology with a robotics-as-a-service (RaaS) business model. This ...

Street Group, a leading PropTech company in the UK, is seeking a Senior Software Engineer (L5) in Manchester for a hybrid role. You will own features end-to-end, drive architectural decisions, and contribute to AI infrastructure while collaborating with designers and engineers to deliver scalable solutions. ...

team of kind, talented people on a mission to change the insurance industry for good. About the role We’re looking for an enthusiastic Senior Software Engineer (Full Stack) to join our fast-growing Engineering team! You’ll hit the ground running, getting up to speed with … teammates who are exceptional at what they do, whilst being kind, honest people who champion our values. A dedicated development budget, access to a senior mentor, and training on whatever you need to do your job well. Well-being support. We’re committed to supporting both physical and mental ...

Tano AI Ltd in London is looking for a Senior Software Engineer to own the influencer affiliate management system. You will work across the stack, shaping architecture and product decisions in production to support campaigns and creator relationships. We seek 3–6 years of experience ...

technology. We constantly push ourselves, our tech and our industry to discover innovative new ways to connect, sell and grow. About the role The Senior Software Engineer is the technical anchor of a Plan-Apps squad. The role is hands on and remains firmly in the codebase … Plan-Apps ecosystem is becoming service oriented and more data centric as we do it, with new data warehousing and clearer boundaries between services. Senior engineers shape what those services are and how they fit together, rather than working around an estate that is already fixed. What ...

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 ...

Permutable.AI is building real-time AI systems that transform global data into market intelligence for financial institutions. As a Senior Software Engineer, you will design and build backend services, distributed systems and cloud infrastructure with end-to-end production ownership. You will work directly with our founder ...

scale - includes a Python command-line client (pi), the IPLM API server, the PiCache caching layer, and a Web based interface. As a Senior Software Engineer on the IPLM team, you will own end-to-end features across the CLI and PiCache. You will be expected … development workflows (agent-based QA loops, automated implementation workflows) that plug into the team's day-to-day development. Requirements 5+ years of professional software engineering experience, with strong day-to-day Python. Command-line tooling experience: argument parsing, subcommand design, structured (JSON) output, and machine-readable error handling. ...

raised capital from some of the world's best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures. Senior Software Engineer (Java) Location London Employment Type Full time Location Type Hybrid Department About ARQ ARQ is one of the fastest-growing fintechs … chance to grow fast with a world-class team, ARQ is the place to do it. What we're looking for As a Backend Engineer, you'll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You'll collaborate with a talented ...

across medical and consumer health. Join our multidisciplinary team to build robust, secure firmware that powers life‐enhancing products. We are currently seeking a Senior Software Engineer – MCU to join our talented team and contribute to delivering exceptional solutions for our clients. You will lead the design … security architecture. Own technical design of MCU subsystems. Develop and review embedded C/C++ for real‐time systems. Collaborate with hardware and software peers. Champion coding standards and secure development. Your skills and experience Proven experience with ARM Cortex‐M or equivalent. Strong C/C++ in embedded ...

hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The Product In a rapidly evolving world, trust in AI depends on AI agents being grounded in fresh, verified real-world … search APIs that AI agents use to retrieve, filter, and reason over real-world information at scale. The role We are looking for a Senior Software Engineer to work on the content acquisition and crawling infrastructure of a novel search engine tailored for agentic AI consumption. ...

book. These are correctness-critical systems where a wrong answer can't be cheaply undone - getting them right is the whole job. As a Senior Software Engineer , you will own the design and end-to-end delivery of the systems at the core of that mission. ...