senior java backend developer jobs in London

Senior Software Engineer (Java/Angular) Catapult is building the future of sports performance technology, with a mission to Unleash the Potential of every athlete and team on earth. We don't just work in the sporting industry; we are actively changing it.  Since 2006, our solutions have been leading the way in sports performance software, science, and data,...

Company DescriptionWe’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers. Whether you want to book a...

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges,...

Every customer is different, and we're building the technology to make every Tesco experience feel personal. Join Tesco's Personalisation team and help shape the experiences of millions of customers every day by powering real-time recommendations, offers, targeting, and experimentation across our web, mobile, and in-store channels. Our platforms combine...

Your newpany You will be working for a well-known organisation working remotely with the occasion travel in the London office. This role is inside scope of IR35 and a 3–6-month contract with a possible extension. Your new roleOverview: We are seeking an experienced Full‑Stack Developer and Healthcare Technology Specialist to build a deterministic...

Spotify is seeking a Senior Backend Engineer to join the Subscriptions Mission in London or Stockholm. You will architect, develop and operate Java services that enable cohesive conversion and upsell journeys across our merchandising platform, collaborating with R&D, Marketing and Growth to deliver scalable backend systems on Google Cloud Platform.You bring...

Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. We’re home to the UK’s largest choice of properties and are the go-to destination for millions of people planning their next...

JPMorgan Chase & Co. in London is seeking a Senior Lead Software Engineer to join the Platform team as a hands-on Backend engineer. You will build a Spring Boot-based framework and robust libraries to support product engineering teams across the Investments ecosystem.The role blends deep Java/Spring expertise with strong problem-solving, design skills, and a...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Backend Software Engineers at Palantir build...

About Us:ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges.We take as much pride in our people, culture and work-life balance...

Role/Team overview Join the Release Engineering team and play a key role in delivering reliable, high-quality software releases across Broadband and Entertainment devices. You will coordinate release planning, build management, readiness, deployment and risk, working closely with Development, QA, Product and Operations to support stable customer...

C++ Developer / Backend Software Engineer London to £125k Are you a backend focussed C++ Developer with Front Office trading systems experience? You could be progressing your career in a senior, hands-on C++ Developer role at the Investment Management arm of a global bank. As a C++ Developer you'll focus on the redevelopment and customisation of a core...

jobboard is seeking an experienced Senior Java Engineer to join a Deployment Security & Software Reliability team supporting a world-leading financial institution. You will shape releases to be faster, safer, and more secure, working hands-on with Java, CI/CD, containerization, and software supply-chain security.The role focuses on reducing barriers to rapid...

About UsLegora is redefining how legal work gets done. Not built for lawyers, built with them. We work alongside the world’s best legal teams, who expect excellence, precision, and speed, and we hold ourselves to the same bar.Our AI-native workspace lets legal professionals move faster, think more clearly, and operate with sharper precision. By analysing...

Senior Platform Engineer (Cloud Media Platforms) Start ASAP (within 2-4 weeks notice) expected duration 6+ months initially London- Hybrid 2/3 days typically wfh/West London £(Apply online only)pd Outside IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and...

**What’s Yonder?** *“It's as if Time Out, Amex and Monzo had a baby”* - Will T, Yonder Member Yonder combines credit and debit in one membership that’s fair, flexible and actually enjoyable. No jargon. No dusty points system. Just rewards that actually feel rewarding, from bao to beer to a boarding pass. The engineering team sits at the heart of...

Senior Engineer – Full Stack Java - Someone with 15+ years of industry experience , preferable 5+ years in banking , trade management. Understanding of Vanilla products ( Macro, Credit, Securitisation). Experience of working with HTML5, Angular, REACT, NPM, Java Spring Boot, Post Gres/Cloud SQL.  Understanding of containerised deployment – Kubernetes,...

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to...

Java Developer - Core Banking Location: Remote work, England Salary: Competitive Job Type: Contract Date Posted: 19 days ago Expiry Date: 03/10/2026 Job Ref: BH-128479 Start Date: 19/08/2026 Contact: Shakir Muhammad Contact Email: shakir.muhammad@xcede.com Specialism: Software Engineering & Architecture Senior Java Engineer – Core Banking 6-month...

Job title: Pre-Sales Senior EngineerLocation: London/Bristol - HybridSalary: 65,000 - 75,000Team: CommercialReporting To: Head of Client Solutions This role is based in London or Bristol and requires existing right to work in the UK. At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team...