376 to 400 of 668 Senior Software Engineer Jobs in London

shape the technical approach, challenge weak ideas and turn wireframes into reliable applications.You'll also influence how the team builds software: reviewing designs, raising engineering standards and supporting less experienced developers, without becoming a full-time manager. You don't need trading experience, but you should enjoy hard technical … reviews, CI/CD improvements and decisions on new tools and architecture What you'll need You don't need to be a Python engineer, but you'll work closely with Python APIs, so some familiarity helps. You should be comfortable with HTML5, CSS3, responsive design, browser compatibility ...

Times as one of Europe’s fastest-growing companies for two consecutive years—and a UK Best Employer for 2026. At Thought Machine, our Senior Software Engineers specialised in Infrastructure play a crucial role in deploying and maintaining our cutting‐edge software, developing tools and integrations with ...

Hybrid working - 1 day per month in London or Cheltenham This is an exciting opportunity for a Senior Developer to join a growing financial technology business and play a key role in supporting a brand-new cloud-native trading platform from the ground up. Working within a highly collaborative … enjoys solving complex technical challenges and is passionate about building scalable trading technology in the cloud. The right person will be a Developer/Senior Engineer with experience working within financial trading and must have foundational understanding capital markets, order lifecycles and trading interfaces. As well as: Hands ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Cyber Software Engineer/Technical LeadLocation: London (Southwark)These roles require 5 days/week on site. We offer a range … reaches of space - there's no limit to where a career at BAE Systems could take you. Role descriptionWe are looking for experienced Software Engineers who want to have a real impact, and who are keen to apply their creative thinking to the ever-changing space of cybersecurity. Core ...

machine learning. We're looking for talented engineers to join us in this work. Description We are looking for an experienced on-device software engineer to join our team and help us improve privacy-preserving technologies to the company's products. Responsibilities Collaborate with cross-functional engineers … design and develop end-to-end measurement systems that meet the company's industry-leading privacy standards. Develop software that runs on billions of the company's devices, enabling training and evaluation of generative AI systems while preserving user privacy. Operate independently to solve complex problems at the intersection ...

delivering real-time Language AI to over 300 million users and 200,000+ businesses globally. We are shifting gears. We are moving from "Software-First" to "Product-First." We don't hire engineers to just close tickets or optimize algorithms in isolation. We hire Missionaries—builders who obsess over … before the How. As a Senior Engineer at DeepL, you will operate with the agency of a founder. You will join a high-performance engineering culture that values shipping speed, system reliability, and direct business impact over theoretical perfection, whether you are building our next-gen Voice ...

JPMorganChase in London is seeking a Software Engineer III to join the Kafka Platform Team on-site. You will design, develop, and troubleshoot distributed real-time data solutions that power mission-critical applications at enterprise scale. You will apply Java with Kafka, AWS, and Kubernetes expertise, drive secure … coding practices, and collaborate across teams to deliver reliable, high-performance software using modern SDLC practices. #J-18808-Ljbffr ...

Greater London is seeking a passionate Senior Software Developer to enhance their product suite. This hybrid role requires the candidate to be within commuting distance to London and Ipswich while offering mentorship opportunities and high-quality collaborative work. The ideal candidate should have strong skills in modern C# ...

Ripple is building a modern SaaS treasury platform and is seeking a Senior Software Developer to join the Liquidity Management team. You will help design and deliver scalable cloud-native solutions using Azure, .NET/C#, and Microsoft SQL Server, while mentoring peers and driving best practices. ...

J.P. Morgan is seeking a Software Engineer III within Public Cloud Engineering to design and deliver secure, scalable solutions across multiple business functions. You will work in an agile team on critical technology solutions and contribute to architecture, design artifacts, and platform services. As part of the Cloud ...

JPMorgan Chase is seeking a Senior Lead Software Engineer within the Markets Research Technology team. Lead agile, design and deliver secure, scalable technology products with a focus on Cloud-native data, backend, and AIML engineering to production scale. You will work on challenging AI/ML data ...

JetBrains is seeking an experienced Software Engineer for the Platform team (JCP) to join an identity management and access services group. You will own the full SDLC and shape features across identity, organization, membership, groups, and workspaces within a distributed, multi-tenant SaaS environment. You will work with ...

helps you realize your potential. Our team is key to our success. We're people-first. We value collaboration, curiosity and commitment. As a Senior Lead Software Engineer at JPMorganChase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into … clients and business partners around the world. Job responsibilities: Use domain modeling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure ...

developer adoption Help build an AI-enabled delivery platform on AWS to modernise the path to production Requirements Strong hands-on background as a software engineer Broad technical understanding across developer tooling, cloud platforms, operating systems, desktop environments, security controls, observability, telemetry, and CI/CD Experience working … implementing governance and engineering patterns. Capable of translating research and experimentation into practical solutions while fostering collaboration across technical disciplines. Highest-signal resume keywords Software Engineering AI-Assisted Development Tools Cloud Platforms CI/CD Pipelines Secure Developer Environments ATS Optimization Keywords Hard Skills Software Engineering AI-Assisted ...

engineering teams build highly technical products that fulfill real, important needs in the world. We develop and operate one of the largest scale software platforms. The fleet consists of millions of virtual machines, generating terabytes of logs and processing exabytes of data per day. At our scale, we regularly … observe cloud hardware, network, and operating system faults, and our software must gracefully shield our customers from any of the above. The Delta DML team owns the core write-path operations for Delta Lake, the open-source storage layer behind the Databricks Lakehouse. Our mission is to deliver industry ...

engineering teams build highly technical products that fulfill real, important needs in the world. We develop and operate one of the largest scale software platforms. The fleet consists of millions of virtual machines, generating terabytes of logs and processing exabytes of data per day. At our scale, we regularly … observe cloud hardware, network, and operating system faults, and our software must gracefully shield our customers from any of the above. The Delta DML team owns the core write-path operations for Delta Lake, the open-source storage layer behind the Databricks Lakehouse. Our mission is to deliver industry ...

United States Digital Space LLC in London is seeking a skilled software engineer to design, build, and maintain backend services and APIs for a multi-tenant SaaS platform. You will own the data layer with PostgreSQL, work across a large codebase, and contribute to frontend tasks when needed. ...

London Metal Exchange Limited is seeking a Senior Engineer in London to design and develop core trading and market data applications. You will liaise with business analysts and product owners to translate complex requirements into robust software solutions, guided by DevSecOps practices. You will contribute to architecture ...

have raised $60M in Series C funding from Wellington Management, CRV, Next47 and Y Combinator. The role We're looking for a Senior Engineer to join our Foundations team, the backend backbone that builds the reliable, scalable, fast systems everyone else at Encord builds on top of. … lot. You have personally developed and maintained multiple systems from scratch, and you know what trade-offs are involved in building reliable, performant software at speed You want your work to have a tangible outcome for people. You're not satisfied with building products that ...

Applied Intuition Defence, based in London, is seeking a Senior Robotics Software Engineer to lead the design and integration of autonomy solutions across defense platforms. You will work on mission behavior, navigation, and decision-making, and mentor engineers while delivering robust, secure autonomy software for real ...

Prism Digital is seeking a Software Engineer to join its London-based, on-site team. You will design, build, and maintain C#/.NET production code and SQL Server-driven components, with core logic living in the database. Expect close collaboration with the Founder and a small, engineering ...

engineers don't just write code — they solve real-world problems for small businesses, shaping products that unlock opportunity at scale. As a Senior Engineer, you will be a key mentor to other members of the Engineering team - supporting us to continually develop and push the boundaries … Whether you're passionate about building customer-facing products, scaling platforms, working with data, or exploring how AI can transform the way we build software, we're looking for engineers who enjoy solving complex problems and taking ownership of what they deliver! The interview process: Screening call with Chess ...

Resources in London is seeking a Senior GPU Software Engineer to drive the design, optimization and scaling of high-performance GPU systems across modern platforms. You will work on technically challenging problems where performance and data movement between CPU and GPU are critical, delivering highly optimized software ...

tech company specializing in content operations seeks a Senior Engineer for their Content Agent product. This role involves full-stack product work, primarily using TypeScript and React to design system interfaces, develop tools, and run experiments. The ideal candidate has experience with LLM-based systems and strong analytical ...

helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Senior Lead Software Engineer at JPMorganChase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into … clients and business partners around the world. Job responsibilities: Use domain modeling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure ...