staff java backend developer jobs in London

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a collaborator who wants to help transform how businesses...

Virtu is a leading financial firm that leverages cutting edge technology to deliver liquidity to the global markets and innovative, transparent trading solutions to our clients. As a market maker, Virtu provides deep liquidity that helps to create more efficient markets around the world. Our market structure expertise, broad diversification, and execution...

What we are building Mimica is an AI-powered process intelligence platform enabling enterprises and individuals to reclaim their most precious resource: time. We've all seen repetitive tasks and redundant processes quietly drain productivity and creativity. Not because companies don’t want to become more efficient, but because they don’t know where to...

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the...

Remote · Full Time · Individual Contributor · +8 Years of Experience Staff Engineer - Client Experience Who We Are Yuno is the AI-native operating system of global commerce, powering the financial infrastructure of enterprise merchants, banks, and wallets. Through a single API, Yuno connects them to pay-ins, payouts, fraud prevention, KYC/KYB, and...

About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical...

About Wheely Wheely is redefining premium transportation across major cities in Europe, the US, and the Middle East. We blend cutting‑edge technology with the craft of five‑star chauffeuring to deliver an experience trusted by more than 100,000 active riders and 1,200 corporate accounts. We’re a profitable, fast‑growing scale‑up with $43M raised...

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...

Are you a passionate Quality Engineer looking to make an impact at a global leader at the forefront of technological innovation?We are seeking an experienced professional to lead automation testing efforts, with a particular focus on backend and API testing, to join our dynamic team in London.About The RoleAs a Quality Engineer, you will play a key role in...

A technology consulting firm is seeking a Principal Java Engineer to join their high-performing engineering team in London. This hybrid role involves designing low-latency, high-throughput systems and optimizing backend services using Java. Ideal candidates will have over 10 years of Java development experience and proficiency in MongoDB, Spring, and AWS....

OverviewWe are seeking a Full Stack Developer to join the Credit & Rates Trading team at a leading investment bank. This role will be central to the re-engineering of several legacy trading applications, contributing to the design and delivery of modern, real-time trading systems.Key RequirementsCandidates must demonstrate strong technical expertise in...

Location: London (Hybrid - 2 days in the London Office) Reports to: Engineering Manager - Customer Tooling The role At Rightmove, we’re on a mission to make home moving easier and simpler for everyone. Every month, millions of people spend over a billion minutes on our platform, with more than 140 million visits across our website and apps. Behind that...

WE ARE:At Adaptive, we are a technology provider firm that partners with capital, commodity, and digital market participants to build custom front-office technology, messaging systems, and trading infrastructure. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive...

AI is fundamentally changing how developers write, understand, debug, and maintain software. At JetBrains, we're exploring what an AI-native development experience should look like for C++ developers. We are looking for a senior technical leader to help shape this future by building AI-powered workflows, integrating coding agents into developer tools, and...

Role OverviewThis role focuses on building and enhancing electronic trading systems used in fast-paced capital markets environments. You’ll develop backend services that support high-volume trading, working closely with product and trading stakeholders.Key ResponsibilitiesDevelop backend services using JavaEnhance performance, scalability, and...

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Perplexity is looking for an Infrastructure Engineer to own and improve the backend systems behind our latency-sensitive search stack. You'll work across high-QPS Rust and Go services, distributed retrieval systems, cloud infrastructure, observability, and deployment tooling.This role combines infrastructure expertise with software engineering. You’ll take...

Goldman Sachs is seeking a backend software engineer to transform our systems with Java and Spring, working across microservices and MongoDB. You will collaborate with global teams to build scalable platforms and contribute to the SDLC process.The role involves hands-on development, testing, monitoring, and delivering reliable data-driven solutions in a...

Staff Software EngineerLondon, UKAbout the roleApplied Intelligence Systems (AIS) is part of the Scale Generative AI Platform (SGP), focused on pushing the frontier of what agentic applications can do across diverse enterprise and government use cases. We build the infrastructure and tooling that power agentic AI in production, paired with applied ML...