151 to 175 of 218 Senior Software Engineer Jobs in London

Kingfisher is seeking a Lead Software Engineer with deep Fluent OMS expertise to design and optimise complex workflows, rulesets, event flows, and integrations that power scalable Order Management solutions. You will own Low-Level Design, influence High-Level Design, and provide technical leadership across your squad. This hands ...

United States Digital Space LLC is seeking a Software Engineer for the Persistence team in London, UK. You’ll build and optimize the infrastructure that powers hundreds of instances across regions, focusing on storage, state, and low-level compute primitives. You’ll write Golang daily and work with ...

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. Unity Catalog is our platform native unified and open governance for data and AI. It eliminates silos, simplifies governance and accelerates insights at scale. We are looking ...

have ambitious plans to expand across Europe , employing the best minds and technology to let us do this. The impact you'll have: Senior Software Engineers at loveholidays have strong expertise in: Supplier integration systems that process vast amounts of data Industry leading bespoke, high performance search ...

biggest names in retail including On, Rapha, Air Up, Holland & Barrett, AllSaints, Honeylove, and Clarins. Role We are looking for an experienced software engineer to help us build our product. You will be working on the platform and backend services of the product and also the middle layer … share what we’re building. Technical Stage — Take-home challenge plus an on-site system design and live coding interview. Final Chat — Meet a senior team member to discuss long-term goals and mutual fit. We keep things efficient and most candidates complete all stages within 2–3 weeks ...

Wise is a global technology company building the best way to move and manage money. We seek mission-driven Senior Software Engineers to join our Grow squad, tackling zero-to-one challenges and scaling a global wealth product. You will work on high-concurrency systems, shaping technical strategy ...

deeply about talent density, and hire people who want to solve difficult problems with unusually high ownership. About the Role We're hiring a Senior Full Stack Software Engineer to lead the design and development of the systems that power our insurance companies and internal operations. … large technical initiatives across underwriting, claims, finance, compliance, and internal tooling. You'll work directly with leadership, product, and operations teams to build software that eliminates manual work and enables the company to scale. This role is for someone who wants significant ownership, enjoys solving complex problems ...

Elsevier in London is seeking a Principal AI Engineer/Principal Software Engineer to lead an embedded Innovation Squad, driving from discovery to production and transforming AI prototypes into reusable patterns and starter kits. You will shape agentic AI patterns (orchestration, memory, retrieval), mentor engineers, and collaborate ...

Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and capabilities that they need to make sound business decisions. C++ plays … role in our event‐driven trading systems, which are designed to reliably handle vast amounts of data at ultra‐low latencies. As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely ...

Role: Senior/Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London/Manchester/Birmingham/Cardiff/North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What ...

DESCRIPTION Join us and take your software engineering career to new heights. You'll have the opportunity to design and deliver market-leading technology products that shape the future of financial services. At J.P. Morgan, you'll collaborate with talented teams, grow your skills, and make a real impact. … dynamic environment where your ideas drive progress. Be part of a team that supports your growth and celebrates your success. As a Lead Software Engineer in the Markets Technology team, you will design and deliver secure, stable, and scalable technology solutions that support our business objectives. ...

Software is eating the world, but AI is eating software. We live in unprecedented times – AI has the potential to exponentially augment human intelligence. Every person will have a personal tutor, coach, assistant, personal shopper, travel guide, and therapist throughout life. As the world adjusts to this new reality … foundation of these products is the Identity Engineering team. In this role, you will help support the design and development of core software systems specifically focused on identity, access management, authorization, and authentication. You’ll also get widespread exposure to the forefront of the AI race as Scale sees ...

J.P. Morgan's Applied Innovation Engineering team within the CDAO Technology group seeks a Principal Software Engineer to design, deploy, and maintain AI products that advance machine learning for software, cybersecurity, and infrastructure. You will collaborate with software engineers, data scientists, and product owners to deliver ...

bringing 3rd party platforms into the company's Lattice ecosystem, and developing breakthrough systems that will shape the future of the battlefield. We build Software services and Autonomy algorithms that solve some of the hardest problems facing our customers. As a Mission Software Engineer on the Maneuver … making sound engineering decisions to deliver successful outcomes correctly, on-time, and with high quality. WHAT YOU'LL DO Own the feature development and software solutions that are deployed to customers, and lead complex, cross-cutting technical efforts from concept to deployment. Write code to improve products and scale ...

Software/Programming Engineer - Hybrid Working Looking for more flexibility without compromising on the quality of projects you work on? If you're a BMS Software or Programming Engineer looking for greater autonomy, a better work-life balance, and the opportunity to work on some … Salary/Compensation Salary up to £80,000 Yearly Bonus Hybrid Working Company Car/Car Allowance Healthcare Pension Responsibilities Develop and configure BMS software for major building automation projects. Produce control strategies, graphics, alarms and system integrations. Program controllers and front-end systems. Support commissioning engineers during testing ...

integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at the company within the Equities Sales and Trading Technology, you are an integral part of an agile team that … peer review, automated testing) and promoting reuse of proven patterns and automation within the SDLC/TLM toolchain. Applies knowledge of tools within the Software Development Life Cycle toolchain, including approved AI-assisted development and automation capabilities, to improve the value realized by automation at scale. Drives decisions that ...

Qualcomm Technologies International Ltd is seeking a Senior Engineer for the UK with remote work options. You will architect, implement, and optimize GPU software, drivers, and tools, collaborating with cross-functional teams to meet customer needs and deliver high-quality silicon validation. The role requires strong programming …/C++, Python, and Java, plus 2+ years in GPU-related work. You will work with senior leadership and contribute to architecture decisions in a fast-paced environment. #J-18808-Ljbffr ...

United States Digital Space LLC in the United Kingdom seeks a Mission Software Engineer to advance autonomy and complex software systems for defense applications. You will tackle networking, robotics, data processing, and systems integration on challenging projects with real-world impact. You will lead cross-functional initiatives ...

have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial and Investment Bank, you serve as a seasoned member of an agile team … carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives. Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Creates ...

TwinThread in London is seeking a Sr Lead Software Engineer specializing in KDB/Q technology. The role entails leading software development initiatives, optimizing data solutions, and working within an agile framework to enhance real-time applications. Candidates should have substantial experience with KDB, including at least ...

United States Digital Space LLC is looking for a mission-driven Senior Product Engineer to join our Grow squad. You'll work on scaling financial products across the UK, EU, and beyond while defining new engineering challenges and shaping the strategy for a groundbreaking financial ecosystem. The role ...

storage, secure account infrastructure, or the future of private financial tools, you\'ll work on technically ambitious products with real-world impact. As a senior engineer, you\'ll collaborate closely with product, design, and engineers across Proton to build and ship high-quality Android experiences using Kotlin, Jetpack … Impactful work: millions trust Proton with their privacy, with autonomy from external pressures Stock options and ownership from day one Technology: appropriate hardware and software for your role Learning & Development: growth opportunities and real challenges Employee benefits: health coverage, retirement options, generous leave, wellness support In-person collaboration: offices ...

resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers the company’s growth at scale. We’re looking for a Senior Android Engineer to join our SDUI team. In this role, you’ll help us build and scale our server-driven UI ( SDUI ) platform … build on. Strong communication skills , working across time zones with iOS, Web, and Backend counterparts, plus PMs and multiple product teams. A pride in software craft , with a commitment to writing readable, well-designed, and thoroughly tested mobile code. Bonus points for exposure to Figma-to-code tooling, design ...

engineering one, building on top of something solid rather than starting from zero. About the Role We're looking for a Senior Product Security Engineer to become the authority on our platform's security architecture — and to write the code that embodies it. You'll inherit a platform … threat landscape relevant to AI agent security, sensitive data handling, and multi‐tenant SaaS platforms What You Bring 6+ years of hands‐on software engineering experience, with deep specialization in security architecture rather than general backend development Proven track record designing and personally implementing platform‐level security controls ...

Responsibilities Help support the design and development of core software systems specifically focused on identity, access management, authorization, and authentication. Drive the design and implementation of our identity infrastructure to ensure secure authentication and authorization across enterprise systems. Build software for authentication mechanisms such as Single Sign … Multi-Factor Authentication (MFA), and federated identity solutions (SAML, OAuth, OpenID Connect). Build software for authorization mechanisms such as Relation-based access control (ReBAC), Attribute-based access control (ABAC), Role-based access control (RBAC). Build software‐defined identity governance policies to ensure compliance with security policies ...