staff java backend developer jobs in London

At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M Series D, accelerating our...

We’re looking for a quantitative developer who is passionate about working with financial data and building products that traders and researchers actually use. At Intropic you’ll join a fast-moving fintech startup where engineers own hard, open-ended problems across research, data and product — we don’t just pick up JIRA tickets. A typical week will...

Who we areVOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Company Description About Wise & Wise Platform Wise is a global technology company building the best way to move and manage the world’s money: min fees, max ease, full speed. With over 13 million customers and growing fast, we are building an entirely new network for the world's money. Wise Platform enables banks, software companies, and large enterprises...

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the...

Who We Are VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed...

A leading software company based in Greater London is seeking a passionate Backend Software Engineer to architect, develop, and maintain high-performance backend systems. You will collaborate with cross-functional teams to create sophisticated data solutions, optimize code for speed, and build robust APIs. The ideal candidate should have a strong background...

Segmentify, a data-driven e-commerce personalization platform, seeks a lead back-end developer to own the backend stack. You will craft RESTful services, design data APIs, and scale microservices to process billions of events daily with near real-time performance.Collaboration with product and data science teams is essential to translate business needs into...

Our client is a geospatial and data technology company. Join the Growth Story at our client Our client operates at the heart of the UK's most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains. We deliver situational awareness and...

Associate Director @ Opus Recruitment Solutions | Shaping the Future of Tech firms across UK (JVM - Java, Scala & Kotlin) 🚀 Senior Full Stack Developer – Java & React Build Products That Shape High‑Stakes Decision‑Making I have partnered up with a fast‑growing tech firm who are building AI powered tools used by Fortune 500 business leaders. They...

We’re seeking someone to join our team as an experienced algorithmic trading Java developer to support the Structured and Exchange-Traded Product market-making businesses. The candidate should possess good analytical skills and computer programming experience and a logical approach to problem solving. The role involves building, deploying and supporting...

DescriptionBehind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings.  J.P. Morgan Personal Investing offers...

Job Role- Blockchain Developer Location - London, UK Experience Level- 5+ Years Job Description - What you'll do • Backend engineering — Design and ship enterprise-grade Java/Kotlin microservices and APIs that meet bank-grade availability, latency and security standards. • Blockchain development — Implement on-chain business logic and workflows:...

Principal Product Engineer, React NativeLocation: Nine Elms, London. Full time, hybrid with at least 3 days a week on site.You'll need the right to work in the UK and be based in London. We are not able to offer visa sponsorship for this role.About ZappZapp is building the future of convenience with a full stack approach to on-demand essential items, 24/7,...

Android Developer About the role Tesco’s Scan As You Shop service is an in‑store experience that lets customers build their basket on a handhelddevice during their shopping journey so that they can keep a close eye on their budget and skip the queues atcheckout. Since late 2021, we’ve brought the soluti on enti rely in house, and we’re now live in...

Lead Software Development Engineer - Services Capital One’s mission is to change banking for good by bringing humanity, ingenuity, and simplicity to banking. The Software Engineering department is an enabler of our ambitions. We are looking for a Senior Software Development Engineer to join a backend team based in our London office on a hybrid basis. What...

AI is being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user / agent intent and data context in real time, giving security teams visibility and control across every tool and workflow so companies can move faster with AI while minimizing risk. We operate in one of the...

Principal Backend Engineer | London | HybridIs this your next job Read the full description below to find out, and do not hesitate to make an application.We’re working with an exciting high-growth FinTech looking for a Principal Backend Engineer to lead the technical evolution of their backend platform.This is a deeply technical, hands-on role for someone...

Java is your passion, you know it like the back of your hand. The backend is where your interest lies. You think big, you don’t just write the code, you think about how this code you write will make an impact. You can visualise the real world implications of each line as you programme away. You are an expert, a Java aficionado.You’re well aware of the...