251 to 275 of 668 Senior Software Engineer Jobs in London

techstack Recruitment in London is seeking a Senior Software Engineer to join a high‐growth data visualisation company. You’ll help build the rendering systems, charting components, and visualisation infrastructure that power mission‐critical applications. This is not a dashboard role; you’ll tackle rendering, graphics ...

Google's Dependency Tracing team seeks a Senior Software Engineer to design and optimize large-scale distributed systems in a cloud context. You will translate complex requirements into robust architectures, mentor juniors, and drive quality through rigorous testing. You will collaborate with cross-functional teams to minimize ...

Clear Street is hiring a Senior Software Engineer to design and build the next generation EMS for listed futures and options. You’ll work on a high-performance platform with real-time data, low-latency exchange connectivity, robust risk controls, and a responsive web interface. You will ...

United States Digital Space LLC is looking for a Senior Software Engineer to join their team in London, responsible for shaping and scaling session infrastructure. The ideal candidate will have strong experience in C++, designing backend systems. The role involves collaboration across teams and contribution to architectural ...

Cisco Webex Real-time Media Engineering Group in London is hiring a Senior Software Engineer to design, develop, test, and deliver new features for Webex products. The role emphasizes DevOps, microservices, and a data-driven approach to quality in a hybrid London office environment. You will work ...

work-life balance as we do in making better software. We’re not just making better software. We’re making the making of software better. Collaborative, entrepreneurial and dedicated to problem solving, we bring the step change our customer need to sustain innovation. Our values challenge … enabled delivery platform on AWS that reduces friction, enforces consistency, and embeds governance directly into the engineering lifecycle. We are looking for hands‐on software engineer(s) who can help design and implement the controls, tooling, and engineering practices needed to support safe AI-assisted development ...

Contract Role – Senior/Lead AI Software Engineer Java & Python x 2 – London/Hybrid – 12 months initial – Inside IR35 PAYE Role Overview: Job Title: Senior/Lead AI Software Engineer Java & Python Location: Hybrid – 4 days onsite per week in London Contract Type … enterprise environments, including both machine learning and generative AI use cases, is highly desirable. Strong understanding of how AI can be applied to accelerate software development processes and improve engineering productivity is required. Familiarity with modern AI frameworks, tooling and deployment patterns for enterprise environments is highly desirable. Experience ...

Cisco's Webex Real-time Media Engineering Group in London is seeking a Senior Software Engineer to contribute to end-to-end development, testing, and delivery of new features for Webex products. You will work in a hybrid office setup, collaborating across DevOps, microservices, and AI-enabled ...

Marks & Spencer's Foods Product team is seeking a Senior Software Engineer to join their data platform and empower fast, reliable data delivery across supplier systems and pricing data. You'll design and ship scalable data services in Java/Micronaut, work with Kafka, and collaborate with ...

London is seeking a Senior Software Engineer to anchor the Plan-Apps squad. The role is hands-on and deeply rooted in code, shaping architectural direction and engineering standards across the team. This role owns feature design, mentors engineers, and helps stand up new services ...

JOBS247 INC LTD in London is seeking a Senior Software Engineer to liaise with engineering divisions and ensure changes to services are reflected correctly. The role supports 24/7 network operations and is used by VARs, DPs and partners to monitor performance; you will work across ...

London is seeking a Senior Software Engineer to join the Trading, Shipping & Supply Technology group. You will design scalable backend services and RESTful APIs supporting risk, pricing and trading workflows, with a focus on data and AI-powered solutions. The role emphasizes hands-on development, architectural input ...

Fortinet, Inc. is seeking a Senior Software Engineer to join the Agent Endpoint DLP team in London. The role focuses on kernel and OS-level development for the FortiDLP endpoint agent, with ownership of new features and maintenance of existing functionality. You will work in a cross ...

Mirae Asset Securities Co., Ltd. in London is seeking a MASUK Senior Software Engineer to build a real-time, event-driven platform for securities lending, repo and delta-1 trading. The role covers end-to-end development across Java server-side components, Python ETL pipelines, and external ...

LineTen is building a data-driven last-mile network and is seeking a Senior Software Engineer to craft robust backend services and frontend integrations. You will operate in a low-ceremony, high-trust environment, owning critical components and driving long-term software quality. You will work ...

everyone who works at the Museum feels they can thrive and feel valued and respected. About the role We are seeking a full-time Senior Software Engineer to lead the architecture, development, and operational delivery of the platform that powers SCRIBE (Structured Collection Records Interpretation … biological and Earth sciences is not required; the wider team will provide expertise. About you We are looking for an experienced full-stack engineer with substantial experience developing Python web applications and backend services using frameworks such as FastAPI or Flask, alongside modern JavaScript or TypeScript frameworks such ...

entering an exciting period of growth. We're seeking a talented and ambitious Mid-Level Full Stack Developer to join us as Senior Software Engineer, with potential to move quickly into a Head of Technology role, pending performance. The ideal candidate will be hungry ...

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 ...

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 ...

Polaron Ltd. in London is seeking a Senior Software Engineer to help define and build the core platform for an AI-powered materials SaaS product. You will own backend architecture, collaborate with scientists and engineers, and influence product direction from day one. You will report ...

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. ...