4,076 to 4,100 of 4,941 Software Engineering Jobs in London

Ravio Technologies Ltd. is seeking a Staff Software Engineer to shape architecture across the customer web app, agentic platform, and shared infra. You will lead design decisions, raise code quality, and tackle high‐level reliability challenges during a major platform shift. This hands‐on IC role offers potential management ...

Mistral AI is hiring a Research Engineer to design and harden the software stack that underpins frontier-scale AI models. You’ll build, maintain and optimize shared dev-tools, data pipelines, and training frameworks for an expert research team. Based in Europe with a London hub and EU/ ...

optimise social media marketing. We build with video and language models, spanning content conception to generation, distribution and optimisation. We are hiring a Software Engineer to help us scale long term. The role emphasizes judgment and taste as we harden foundations, keep quality high, and ship rapidly ...

Xcede Recruitment Solutions in London is seeking a hands-on Data & Software Engineer to enhance their Technology & Data team. This role involves developing internal tools, automating processes, and creating scalable systems that support business operations. The ideal candidate will have strong Python skills and experience with APIs, contributing ...

leading fintech company in the United Kingdom is seeking a Software Engineer specialized in Infrastructure to support deployment and maintenance of cutting-edge software. The role involves building reliable and scalable applications, developing tools for deployment, and contributing to the overall infrastructure strategy. Ideal candidates will have a degree ...

Aalyria in the United Kingdom is seeking a Delay-Tolerant Networking Software Engineer to join our UK R&D team. You will develop the DTN suite, including the Hardy bundle router, and integrate with the Spacetime platform to solve real-world communication challenges for customers and partners. The role ...

J.P. Morgan seeks a Lead Software Engineer to join the Commercial and Investment Bank - Post Trade Technology Group in London. You will be a core technical contributor, delivering trusted market-leading technology while ensuring security, stability, and scalability across multiple domains. The role emphasizes architecture-led delivery, strong collaboration ...

client is a global technology company. Our client's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive scale, and extend well beyond web search. We're looking ...

nahc.io in London is seeking a Staff Software Engineer to help turn advanced research into robust, production‐quality software. You will collaborate with researchers and engineers to design core platform components, build backend services and drive scalable, concurrent workloads. This role emphasizes architectural decisions, reliability and performance ...

JPMorgan Chase is seeking a Principal Software Engineer to help transform digital banking for Chase UK. You will work in a distributed, diverse team focused on delivering scalable, secure, consumer-facing features with high availability and low latency. You will lead complex coding frameworks, apply enterprise AI-assisted development ...

Digital in London is seeking a software engineer to join our growing team building automated document processing products with Golang, MySQL, and Kubernetes. You will own features end-to-end, mentor teammates, and help shape product direction while delivering clean code and scalable systems. Join a fast-growing Swiss ...

Jane Street is seeking software engineers to design and build the systems and tools that run the firm. You'll work across trading desks and accounting teams, building foundational infrastructure and solving real problems. We value functional programming, using OCaml as our primary language, with Python playing a vital ...

contribute to one of the world's largest inference platforms, spanning inference, serving, fine-tuning tooling, and regional product work. You are a strong software engineer first, with a focus on building product rather than customer-facing duties, though customer work may come up. There is no fixed seniority ...

Nomura is seeking a Software Engineer for the Prime Technology team in London. The role sits in GMIT, supporting the Equities IT function that underpins Nomura's Prime Brokerage offerings (CPB/SPB). You will design, build and maintain Java platform components, and work across cloud, observability ...

JPMorgan Chase & Co. is seeking a Lead Software Engineer in the Quantitative Execution Strategies tech group. You will be integral to an agile team building trusted market-leading technology in a secure, scalable way. You’ll contribute as a core technical developer across multiple areas, collaborating with front office ...

Jane Street invites you to a Software Engineer - 2027 Summer Internship. As an intern, you are paired with full-time engineers who mentor you on real-world projects that the team actually needs done, giving you a real sense of what it’s like to work here. During ...

JPMorgan Chase is seeking a Principal Software Engineer within the International Consumer Bank to deliver scalable, secure consumer-facing features with high availability and low latency. You will collaborate with Product, Design and Compliance teams to ship customer-centric solutions that meet regulatory standards while leveraging enterprise AI-enabled ...

quantitative trading startup is looking for a software engineer to join their team in Greater London. The role involves developing and maintaining scalable trading applications, with a focus on optimizing systems for latency and bandwidth. Candidates should have substantial experience with C++11 or higher, design skills, and the ability ...

values and behaviours that bring the right knowledge, experience and a fresh approach to unlocking every project’s full potential. We build software to be used in control rooms to assist the operational running of some of the largest rail operating companies in the UK and overseas. … currently looking to recruit a Software Engineer – Design/UX Engineer to join our Software Development team in London. We are looking for someone who combines technical expertise with a strong sense of design and user experience. Someone who can independently interpret goals, assess the suitability of user ...

Benefits include: Excellent pension plan (up to 6% double contribution), 28 days Annual Leave rising to 31 days with length of service + Bank Holidays, Westfield Health Cash Plan, non-contributory life assurance, up to ...

Next.js, v0, and AI SDK, we create products that help builders move from idea to production with speed, security, and exceptional developer experience. Now, software is entering a new era, and the next generation of products will not just be used by people. They will be built, extended … customers, growing our community, or shaping our story, you’ll help define what comes next. About the Role: We are looking for a Software Engineer to join our Observability team. Vercel users rely on Observability to monitor and understand their applications’ health and behavior. In this role, you will ...

Northern Trust is seeking a skilled professional in London to contribute to wealth management, asset servicing, asset management and banking services. The role emphasizes leading teams, analytical judgement and delivering client-focused solutions within a ...

Our client is a leading global investment bank. JOB DESCRIPTION We launched our client to transform mobile banking with seamless, customer-first digital experiences and we're just getting started. With the trust of millions ...

Our client is a global credit ratings and risk analytics firm. We unite the brightest minds to turn todays risks into tomorrows opportunities. We do this by striving to create an inclusive environment where everyone ...

Checkout.com, founded in London, seeks a Staff Engineer to set the technical direction for payments-scale systems. You will own architecture for high-throughput distributed services, shaping data models and integration patterns to scale with ...