java developer jobs in London

Our Client in Central London is seeking a seasoned Java Backend Developer with 5+ years of experience and strong SQL Server expertise. You will contribute to backend systems, leverage Spring, and tackle algorithmic challenges within a large codebase.Proficiency in data structures, Unix, and clear communication are essential for success in this six-month...

iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities.iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading...

Working in a permanent feature team, you’ll be developing knowledge of aspects of the associated platform across the disciplines of business, applications, data and infrastructure. You’ll also be liaising with principal engineers, architects in the domain and other key stakeholders to understand how the platform works and how it supports business...

Scala / Java Developer Fintech / Blockchain Cryptocurrency If you are an exceptional programmer in any language, please apply! 100,000 pa + benefits or up to 750pdQuant Capital is urgently looking for a Scala, Functional Developer or Java Developer to join our high profile client. Our Client is a global fintech with 20 of the worlds biggest banks as its...

Location: London; UKWork type: HybridSeniority: SeniorPrimary skill: JavaPosted: 2026-09-29Join EPAM as a Java Developer in a hybrid role based in London.Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.Work on complex, data-intensive systems while collaborating with multi-national...

Junior Java Developer –Python, Ruby, Fintech50 London 45,000-50,000 + bonus Quant Capital is urgently looking for a Junior Java Developerto join our high profile client. Our client is an established financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching, big data and language...

Citigroup is seeking a VP-level Lead Java Developer to architect and deliver AI-enhanced, real-time FX risk software for global markets. You will drive end-to-end delivery, shape technical direction, and work with quantitative analysts and traders to translate complex requirements into robust code.The role emphasizes high-performance, low-latency Java...

Scrumconnect Consulting is a multi-award-winning digital consultancy in the UK, delivering impactful technology solutions. We seek a Java Developer to contribute to design, development and maintenance of high-performance applications.The role emphasizes code quality, API integration, testing, and collaboration with cross-functional teams in an Agile...

GIOS Technology Limited in London is looking for a Java Developer to work on UK broker-dealer/capital markets solutions. Hybrid work model with 2-3 days per week in the office.You will apply Java 8/11/17, Spring Boot, Python scripting, and REST/microservices patterns to build scalable enterprise applications. Proficiency in Kafka/RabbitMQ, Angular/React...

About Methods: 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 Methods Group, to create end-to-end...

Our Client is a leading global financial markets infrastructure and data provider. Their purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Team is seeking a highly technical, hands-on Java developer. Our group is focused on bringing a new level of efficiency, transparency and openness to the...

Core Java Developer Big Data Trading Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a 30 man start up who have created a market leading product in the financial data market. Details of the full ideas of the company are protected by a Non Disclosure agreement but they are at the bleeding edge of not...

Contract Senior Java Developer – Data/Marketmaking Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and...

Java Python Developer – Equity derivs Hedge Fund 200,000 Quant Capital is urgently looking for a Java Python Developer to join our high profile client in their main development team. Our client is one of the largest Quant Investment managers globally, with around 20 billion under management. They are mainly quant based but have High frequency and...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview FX Risk Lead Java Developer + AI (VP) Engineer the...

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that create real business impact. From day one,...

REMOTE Low latency Java Developer – Algo Trading 120,000 + bonuses (50%) Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX,...

AMS is the world’s leading provider of Talent Acquisition and Management Services. Our Contingent Workforce Solutions (CWS) service, partner with Deutsche Bank to support contingent recruitment processes. On behalf of Deutsche Bank, we are looking for a Full Stack Java Developer for a 6 month contract based in the bank’s London office on a hybrid working...

Role: Java Full Stack DeveloperLocation: London (Canary Wharf), UKContract: 6+ MonthsType: Hybrid (3 days a week)Job DescriptionThis project is to build and extend an Integrated client coverage platform to bring together information both internal and external on our client with insights, contacts and interactions, revenue, lending, wallet share and more. The...

Job Description - Java Low Latency/Full Stack Engineer (Core Java & C++)Location: London, UKWorking Model: Hybrid - 3 days onsite per weekExperience: 5-10 yearsAbout the RoleWe are looking for an experienced Java Low Latency/Full Stack Engineer with strong expertise in Core Java, C++, Linux, and low-latency network programming.The successful candidate will...