Contract Senior Java Developer – Data

Company IconQuant Capital
Location IconLondon

Overview In this contract role you will build and enhance Java backend services that power the data platform, while owning lighter Python ETL tasks to feed PostgreSQL data stores. You will work closely with a lean team to improve reliabilit...Read More>>.

Posted: September 30th, 2026
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Scala / Java Developer Fintech / Blockchain Cryptocurrency

Company IconQuant Capital
Location IconLondon

Overview In this role you will design, develop and deploy high-quality software for a greenfield fintech project focused on cryptographic technology and distributed protocols. You will work with cross-functional teams to prototype architect...Read More>>.

Posted: September 30th, 2026
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Full Stack Java Developer – Fintech

Company IconQuant Capital
Location IconLondon

Overview In this role you will build and deliver front-end and back-end solutions for a tech-driven trading platform. You will work closely with cross-functional teams to shape product offerings and impact business outcomes. The environment...Read More>>.

Posted: September 30th, 2026
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Manager, Java Developer, Solutions, Engineering, AI & Data

Company IconDeloitte
Location IconNewcastle upon Tyne

Overview As a Java Developer in Deloitte’s Technology & Transformation, you will design, build, and sustain high-quality Java-based solutions for diverse client projects. You’ll work within cross-functional teams to drive digital transf...Read More>>.

Posted: September 30th, 2026
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Core Java Developer Fintech High Freq Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will shape a high-performance, distributed Java platform used in a fast-paced FX trading environment. You’ll work with traders and developers to enhance a complex, low-latency, multi-threaded system, spanning fro...Read More>>.

Posted: September 30th, 2026
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Java Developer – Equity derivatives- Hedge Fund

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build and enhance the distributed pricing platform for Equity Derivatives, enabling continuous, firm-wide risk and P&L. You join a global, cross-functional team of developers and quants, contributing to g...Read More>>.

Posted: September 30th, 2026
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Contract Senior Java Developer – Data/Marketmaking

Company IconQuant Capital
Location IconLondon

Overview In this contract role, you will build and enhance Java backend services that power trading and data workflows. You will own Python-based data ingestion tasks to support the data platform and work with PostgreSQL for data validation...Read More>>.

Posted: September 30th, 2026
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Junior Core Java Developer Big Data Fintech

Company IconQuant Capital
Location IconLondon

Overview As a Junior Core Java Developer you will work hands-on on a greenfield B2C wealth management platform and ongoing client-modifications within a fast-paced fintech environment. You’ll collaborate with traders, sales and technologi...Read More>>.

Posted: October 1st, 2026
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Java Developer– Spring, Hibernate, SQL, Web Get Banking

Company IconQuant Capital
Location IconLondon

Overview In this role you will develop Java-based wealth management and trading applications, contributing to both client projects and new features in greenfield product sets. You’ll work within a financial technology environment that ble...Read More>>.

Posted: October 1st, 2026
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Java Developer in Test SDET - Finance Consultancy

Company IconClient Server
Location IconLondon

Overview In this role, you will join a global technology consultancy to deliver high-impact, client-facing testing work. You will shape and implement scalable test automation across modern platforms, helping teams raise quality and producti...Read More>>.

Posted: October 1st, 2026
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Team Lead Java Developer – J2EE, Spring, Maven Tomcat

Company IconQuant Capital
Location IconLondon

Overview As Team Lead Java Developer, you will steer the development of a web-based platform built on Java AWS. You’ll balance stabilising the current stack with delivering greenfield features, guiding a team of junior engineers and shapi...Read More>>.

Posted: October 1st, 2026
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Senior Java Developer - Fixed Income Algo Technology, VP

Company IconCitigroup
Location IconLondon

Overview Join Citi’s Fixed Income Algo team in EMEA to build and evolve the high-performance, low-latency algo trading platform used by internal market-making and trading desks. You will collaborate with traders, quants and product manage...Read More>>.

Posted: October 1st, 2026
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Core Java Developer Big Data Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will work on a green-field, enterprise-grade platform in a fast-paced fintech environment. You will be hands-on with core Java, shape architecture, and mentor junior developers while collaborating with the CTO and...Read More>>.

Posted: October 1st, 2026
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Core Java Developer– JVM, Multithreading, TDD, Spring

Company IconQuant Capital
Location IconLondon

Overview In dieser Rolle arbeiten Sie an einer hochverfügbaren, verteilten In-MMemory-Lösung im Hochfrequenzhandel, entwickeln Java-basierte Kernanwendungen und gestalten Systemarchitektur gemeinsam mit cross-funktionalen Teams. Sie arbei...Read More>>.

Posted: October 1st, 2026
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Junior Java Developer –Python, Ruby, Fintech50

Company IconQuant Capital
Location IconLondon

Overview As a Junior Java Developer at Quant Capital, you join a fintech-focused tech team working with a high-profile client. You’ll contribute across the stack, emphasize core Java development, and support release management and infrast...Read More>>.

Posted: October 1st, 2026
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Senior Consultant, Java Developer, Solutions, Engineering, AI & Data

Company IconDeloitte
Location IconBelfast

Overview You will design, develop and maintain Java-based solutions for clients within a cross-functional team. Your work supports the delivery of innovative, data-driven services at scale, helping clients navigate change and drive transfor...Read More>>.

Posted: October 1st, 2026
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Low latency Java Developer – Algo Trading

Company IconQuant Capital
Location IconLondon

Overview You will join a London-based quant prop trading firm to help design and build low-latency trading solutions. In collaboration with the Head of Trading and the Quant Team, you’ll develop algorithms in Java, contribute to a greenfi...Read More>>.

Posted: October 1st, 2026
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eTrading Rates Strategist / Java Developer (Associate)

Company IconMcGregor Boyall
Location IconLondon

Overview In this front-office associate role within the Global Markets technology function, you will design and enhance algorithmic trading strategies and electronic trading platforms for Rates products. You’ll work closely with traders,...Read More>>.

Posted: October 1st, 2026
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Java Developer – Algo Development Technology (Equities)

Company IconMillennium Management
Location IconLondon

Overview In this role you will build and evolve real-time, high-performance algorithmic trading systems for equities. You’ll collaborate with technologists and trading teams to enhance execution capabilities that support portfolio manager...Read More>>.

Posted: October 1st, 2026
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Senior Java Developer - Rates Intraday Risk Technology

Company IconNomura
Location IconLondon

Overview In this role you will contribute to the Onyx Risk platform used by Flow Rates trading desks to view intraday risk and P&L. You will work within a global team to develop server-side processes and APIs, supporting risk coverage and r...Read More>>.

Posted: October 1st, 2026
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Java / Python Developer

Company IconMethods Consulting
Location IconLondon

Overview As a Mid-Level .NET Developer, you will contribute to delivering digital services for the public sector by building robust, secure, and testable code. You will own complete features, collaborate with senior developers, and start me...Read More>>.

Posted: October 1st, 2026
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Java Software Developer

Company IconUnderstanding Recruitment
Location IconLondon

Overview As a Java Software Developer, you will help build cloud-native SaaS solutions for UK customers, collaborating within a growing London-based tech SME. You will work on Java-based services and modern infrastructure, contributing to s...Read More>>.

Posted: October 1st, 2026
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Java Developer Kafka API - Tech Consultancy

Company IconClient Server
Location IconLondon

Overview In this role you design, develop and deliver transformational projects for clients, with a focus on Kafka messaging, migrating legacy systems to AWS, and introducing CI/CD pipelines. You join a collaborative team committed to engin...Read More>>.

Posted: October 1st, 2026
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Java Developer

Company IconAlexander Mann Solutions
Location IconLondon

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategi...Read More>>.

Posted: September 28th, 2026
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Senior Java Developer — Hybrid (Newcastle)

Company Icon慨正橡扯
Location IconNewcastle upon Tyne

Senior Java DeveloperLocation: NewcastlePlease Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 year continuous UK address history (typically including no peri...Read More>>.

Posted: August 10th, 2026
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Senior Java Developer - Low Latency

Company IconHCLTech
Location Icon

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work...Read More>>.

Posted: August 17th, 2026
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Senior Java Developer – Newcastle

Company IconCyberNorth
Location IconNewcastle upon Tyne

Hybrid Working: This role will require you to work from our Newcastle, Cobalt Business Park office 3 days per week.Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go thr...Read More>>.

Posted: August 29th, 2026
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Senior Java Developer - Nottingham | Cloud-Native & CI/CD

Company IconCHAPMAN TATE ASSOCIATES LIMITED
Location IconNottingham

Chapman Tate Associates Limited is seeking a Senior Java Developer based in Nottingham to build and maintain secure, scalable applications. You will work closely with product owners, architects and specialists to design robust, cloud-native Java s...Read More>>.

Posted: September 3rd, 2026
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Lead Java Developer - Transaction Reporting & Cloud

Company IconBounteous
Location IconGlasgow

Bounteous in Glasgow is seeking a Java developer to contribute to Transaction Reporting systems within a global Agile squad. You will work across the production lifecycle, implementing requirements from Operations users and participating in modern...Read More>>.

Posted: September 14th, 2026
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Full Stack Java Developer

Company IconTEKsystems
Location IconSheffield

OverviewFull Stack Java Developer role at TEKsystems. This application is a suite of microservices used to manage outreach to customers for information, authorisations, etc. The team is distributed across China, India, Poland and the U...Read More>>.

Posted: September 14th, 2026
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Java Developer — Cloud & Client Delivery (UK Travel)

Company Icon慨正橡扯
Location IconGlasgow

慨正橡扯 is seeking an experienced engineer proficient in Java to lead client accounts and deliver high-quality engineering solutions in Glasgow/Edinburgh. You will work hands-on with our clients to build innovative digital products while cont...Read More>>.

Posted: September 15th, 2026
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Java Developer Integrated Financial Crime (IFC)

Company Icon3761 Barclays - BX - UK
Location IconGlasgow

Job Description Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.Accountabilities Dev...Read More>>.

Posted: September 20th, 2026
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Senior Java Developer

Company IconAlbany Beck
Location IconSheffield

Albany Beck is a specialist Financial Services Consultancy helping institutions deliver complex change and transformation while building the internal capability to sustain it. We combine subject matter expertise with innovative delivery models...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer | Build Scalable Microservices Hybrid

Company IconClarify Consultancy Ltd
Location IconLeyland

Clarify Consultancy Ltd is seeking a Senior Java Developer to join a Lancashire-based hybrid tech team. You will design, develop and maintain high-quality Java applications and services, focusing on scalable microservices and REST APIs within mode...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer – Hybrid, Build Scalable Cloud Apps

Company IconVeriforce
Location IconRoath Park

Veriforce, based in Cardiff, UK, seeks an experienced Senior Java Developer to join our Technology team. The role offers flexible hybrid work with attendance limited to one day per week in the office.You will design, develop, and maintain e...Read More>>.

Posted: September 21st, 2026
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Security-Cleared Java Developer | Hybrid Role

Company IconLA International
Location IconManchester

LA International is seeking 4 Software Developers to join a public sector team on a hybrid basis with 2 days per week in the office across Manchester, Blackpool, Leeds, or Newcastle. The role is IR35 inside and requires SC clearance, with readines...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer - Hybrid (Glasgow) & Flexible Hours

Company IconSearchability
Location IconGlasgow

Searchability is assisting a Glasgow-based financial services consultancy by hiring a Senior Java Developer. You’ll work with Java 8+, Spring/Spring Boot, SQL and REST in a hybrid setup, with two days per week onsite in Glasgow.The role f...Read More>>.

Posted: September 21st, 2026
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Java Developer – Integrated Financial Crime Platform

Company Icon3761 Barclays - BX - UK
Location IconGlasgow

Barclays Technology team in Glasgow seeks a Java Developer for the Integrated Financial Crime (IFC) program. You will design and deliver backend services, build RESTful APIs and microservices using Java Spring Boot, and work toward scalable, secur...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer, Cloud & Microservices (Hybrid)

Company IconCapgemini
Location IconRoath Park

Capgemini is seeking a Java Developer in Cardiff to join a skilled team delivering agile, enterprise-scale software solutions. You will contribute code, design, and tooling across a DevOps-driven lifecycle, blending work across offices, client sit...Read More>>.

Posted: September 25th, 2026
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Java Developer – AWS Migration (Hybrid, 6m Contract)

Company IconComputer Futures
Location IconManchester

Computer Futures in the United Kingdom is seeking an experienced Java Developer for a 6-month contract to support an AWS migration programme.The role is hands-on, focusing on migrating services from a single AWS account to a multi-account A...Read More>>.

Posted: September 27th, 2026
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Lead Java Developer – Greenfield Platform (Hybrid)

Company IconNixor Resource Consulting Ltd
Location IconAlderley Edge

Nixor Resource Consulting Ltd is seeking a Lead Java Developer for a greenfield platform in Alderley Park / Wilmslow (Hybrid - 50% office based). You'll provide technical leadership while coding, with around 80% of the role focused on development....Read More>>.

Posted: September 27th, 2026
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Java Developer: Microservices & Modernisation (Hybrid)

Company IconSmartRecruiters, Inc.
Location IconSheffield

HelloKindred is recruiting a Java Developer to support the re-platforming and modernisation of a DevX application. The role is hybrid (3 days in the office) with BPSS clearance and an anticipated 6-month contract end date in April 2027.You...Read More>>.

Posted: September 27th, 2026
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Java Developer

Company IconMRP Global
Location IconWest Midlands

Java Developer required for a long-term engagement with competitive rates, supporting and enhancing internal Administration applications. This is a hybrid role requiring 2 days per week in the West Midlands, involving live service support, batc...Read More>>.

Posted: September 28th, 2026
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Java Developer, Short Term Trading Technology

Company IconLGBT Great Careers
Location IconLondon

We are a leading global asset management firm with over 3,000 employees across 20 offices in 15 countries; we help millions of investors around the world pursue their financial goals. We hire critical thinkers. People who thrive in a col...Read More>>.

Posted: September 29th, 2026
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Mid Java Developer — Microservices & Data Platform

Company IconEveryMatrix
Location IconLondon

EveryMatrix is recruiting a Middle Java Developer for our London team to shape data-driven decision-making across an iGaming CRM platform. You will build and maintain microservices with Java 21+ and Spring Boot, and work on scalable data pipelines...Read More>>.

Posted: October 1st, 2026
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Senior Java Developer — L3/L4 Banking Support, London

Company IconCoforge
Location Icon

Coforge in London, UK is seeking a skilled and experienced Java Developer with strong L3/L4 support capabilities to join our banking domain team onsite.The ideal candidate will have a solid background in Java development and extensive exper...Read More>>.

Posted: October 1st, 2026
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Senior Java Developer: Real-Time Cloud-Native Microservices

Company IconGlobalLogic Inc.
Location IconLondon

GlobalLogic in the United Kingdom is seeking a Software Engineer to join our high performance engineering team building a real-time banking platform. You’ll design, produce, test and implement working software across the system lifecycle, with a...Read More>>.

Posted: October 1st, 2026
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