Java Developer - Belfast, Northern Ireland

Company IconRandstad Digital
Location IconBelfast

Role: Java DeveloperType: PERM/FTELocation: Belfast, Northern IrelandWorking Model: HybridCore Responsibilities:Develop:...Read More>>.

Posted: September 14th, 2026
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SC Cleared Java Developer

Company Iconfortice
Location IconCardiff

Overview In this role you will design, develop and deliver multi-tier applications for Public Sector and National Security projects. You will contribute across client and server sides, aligning with agile practices and enterprise-scale arch...Read More>>.

Posted: September 14th, 2026
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Java Development Manager – Fintech50

Company IconQuant Capital
Location IconLondon

Overview In this role you will lead a growing engineering group to evolve the core platform and greenfield systems for a global fintech in the invoice finance space. You will mentor a 15–20 person team, collaborate with product and suppor...Read More>>.

Posted: September 14th, 2026
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Java Developer - Trading Systems

Company IconClient Server
Location IconNewcastle upon Tyne

Overview As a Java Developer in a growing professional services firm, you will help transform a complex C++ legacy trading system into a modern Java-based solution. You’ll work closely with Front Office trading teams and fellow engineers...Read More>>.

Posted: September 14th, 2026
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Senior Full Stack Java Developer

Company IconVersion 1
Location IconLondon

Overview In this role you will design, develop, test and maintain cloud-based software within Version 1’s Digital & Cloud Practice. You will provide technical leadership to deliver scalable, secure solutions in agile environments and coor...Read More>>.

Posted: September 14th, 2026
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Senior Java Developer - London - Fintech

Company IconAdaptive Financial Consulting
Location IconLondon

Overview In this role you will design and develop Java-based trading software for Adaptive’s front-office technology platform. You will work within cross-functional teams to deliver high-performance solutions that underpin capital markets...Read More>>.

Posted: September 14th, 2026
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Software Developer (Java/C++) A1 SC

Company IconOscar
Location IconCheltenham

Overview In this role you will design, develop and maintain scalable backend systems using Java and C++ within Linux, contributing to architecture and engineering best practices in secure government and defence contexts. You will work on ba...Read More>>.

Posted: September 14th, 2026
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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 14th, 2026
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Core Java Developer Fintech

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a fast-paced fintech startup to help build an enterprise-grade Java platform. You will work closely with the CTO, own critical code and contribute to architecture, while staying hands-on. The environment...Read More>>.

Posted: September 14th, 2026
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Frontend Java Developer – Fintech

Company IconQuant Capital
Location IconLondon

Overview In this role you will design and implement frontend features for a high‑growth tech-driven trading platform. You’ll work closely with cross‑functional teams to deliver business functionality and shape the product vision in a...Read More>>.

Posted: September 14th, 2026
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Java Developer Algo Trading 140k

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build a brand-new, low-latency trading platform within a cross-asset team. You’ll work closely with the Head of Trading and the Quant Team to design and implement trading algorithms in Java, while also...Read More>>.

Posted: September 14th, 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 14th, 2026
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Core Java Developer – Quant Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will build and evolve a high-impact Java platform for a fast-moving trading technology firm. You will work with cross-functional teams to design and implement business features that shape the product’s future. Th...Read More>>.

Posted: September 14th, 2026
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Full Stack Java Developer

Company IconVersion 1
Location IconBirmingham

Overview As a Senior Kotlin Developer in Version 1's UK Digital & Cloud Practice, you will help design, build, and maintain cloud-based software with a focus on secure, scalable solutions. You lead technical work within an agile team, ownin...Read More>>.

Posted: September 14th, 2026
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Senior Fullstack Java Developer

Company IconNexus Jobs
Location IconLondon

Overview In this role you lead the technical execution for a fintech-focused product, driving fast iterative development in an Agile environment. You work across iOS, Android and web platforms to deliver a high-performance app. You will coo...Read More>>.

Posted: September 14th, 2026
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Junior Java Developer – Fintech

Company IconQuant Capital
Location IconLondon

Overview In this Junior Java Developer role, you join a fintech startup building an innovative rewards platform for merchants and consumers. You will contribute to a greenfield project alongside a mobile app team, using Core Java and fronte...Read More>>.

Posted: September 14th, 2026
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Java Developer – Algo Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a London-based trading firm’s low-latency team to design and implement Java-based trading algorithms. You’ll help build a greenfield, low-latency trading platform and connect to financial exchanges, s...Read More>>.

Posted: September 14th, 2026
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Equities Technology (Java Developer) - VP

Company IconCitigroup
Location IconBelfast

Overview In this role you will advance Citi’s Global Market Data platform for the global equities business, focusing on low-latency data delivery and system enhancements. You will collaborate with cross-functional teams including producti...Read More>>.

Posted: September 14th, 2026
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Core Java Developer-Contract – Trading

Company IconQuant Capital
Location IconLondon

Overview In this contract role, you will apply your Core Java expertise to a fast-paced trading tech platform, enabling high-scale, data-driven financial services. You’ll work within an agile, test-driven environment to design and impleme...Read More>>.

Posted: September 14th, 2026
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Software Engineer Java Software Developers (SC Cleared)

Company IconSanderson Recruitment
Location IconLondon

Overview In this role you will design, develop and maintain secure Java applications for mission-critical defence projects. You will work within Agile teams to deliver cloud-native solutions on AWS, with containerised deployments. You’ll...Read More>>.

Posted: September 14th, 2026
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Core Java Developer Trading Technology

Company IconQuant Capital
Location IconLondon

Overview As a Senior Core Java Developer in a fast-paced post-trade tech environment, you will help shape the architecture and deliver integration solutions for a global trading business. You will design, prototype, and evaluate tools to su...Read More>>.

Posted: September 14th, 2026
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Low latency Java Developer

Company IconQuant Capital
Location IconLondon

Overview In this role you will help design and implement new trading algorithms in Java, support a greenfield low-latency trading platform, and ensure robust connectivity to financial exchanges. You will work closely with the Head of Tradin...Read More>>.

Posted: September 14th, 2026
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Senior C++ / Java Developer

Company IconLondon Stock Exchange Group
Location IconLondon

Overview In this role you design, develop, and deliver robust C++ and Java software for a defined product area, owning medium-to-large components. You collaborate with architects, product managers, and delivery teams to translate requiremen...Read More>>.

Posted: September 14th, 2026
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Liferay with Java Developer - Surrey

Company IconNexus Jobs
Location IconRedhill

Overview In this role you will design and develop Java Enterprise applications with a focus on Liferay portals, contributing to client projects from Surrey. You will work within a team, lead varying team sizes, and ensure delivery on time w...Read More>>.

Posted: September 14th, 2026
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Lead Java Developer (VP)

Company IconCitigroup
Location IconBelfast

Overview In this role you drive the technical design, development and optimization of Citi’s regulatory reporting framework and data pipelines, focusing on onboarding new regulations. You’ll lead a team of engineers within an Agile sett...Read More>>.

Posted: September 14th, 2026
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Lead C++ / Java Developer

Company IconLondon Stock Exchange Group
Location IconLondon

Overview As a hands-on senior engineer, you will design, build, and operate mission-critical FX market infrastructure using C++ and Java. You’ll own delivery of high‑performance components, shaping architecture and platform evolution. Y...Read More>>.

Posted: September 14th, 2026
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Java Developer – Low Latency

Company IconQuant Capital
Location IconLondon

Overview In this role you will help design and build trading algorithms and a new low-latency platform for a London-based quant-backed trading house. You’ll collaborate with the Head of Trading and the Quant Team to translate trading requ...Read More>>.

Posted: September 14th, 2026
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Backend Java Developer (Python)

Company IconMethods Consulting
Location IconLondon

Overview In this Back End Developer role, you will diagnose and fix live production issues in Java-based systems, ensuring stable, well-tested changes. You’ll work with 2nd Line Operations, QA, and feature teams to triage incidents and de...Read More>>.

Posted: September 14th, 2026
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Mid-Level Java Developer

Company IconHalliburton
Location Icon

Overview In this role you will design, develop, and maintain subsurface evaluation solutions for the energy sector as part of the Neftex Technical Services Team. You will contribute to building reliable Java-based desktop and web applicatio...Read More>>.

Posted: September 14th, 2026
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Senior Software Developer

Company IconBertelsmann
Location IconLondon

Overview In this role you will shape the integration landscape, delivering modern, secure solutions in a hands-on capacity while mentoring peers. You’ll work within the Technology team to modernise APIs and cloud-based workflows, aligning...Read More>>.

Posted: September 16th, 2026
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Java Software Developer

Company IconFasanara
Location IconLondon

Fasanara Digital is a quantitative investment team applying a scientific, high frequency investment style in digital assets, seeking to achieve exceptional risk-adjusted returns for our investors. We were founded in 2018 and have grown to a 30-...Read More>>.

Posted: August 17th, 2026
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Senior Java Developer

Company IconWelocity
Location IconLondon

Overview The Senior Java Engineer at NCG will play a pivotal role in designing and implementing high-quality software solutions within the ITES sector. This role is crucial in driving technical innovation and ensuring the robustness, performanc...Read More>>.

Posted: September 13th, 2026
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Java Developer Contract

Company IconExplore Group
Location IconLondon

Senior Java Engineer (Contract) – Greenfield Fintech Platform Location: London / Hybrid (1 day/week in office) About the Role We are seeking an exceptionally skilled Senior Java Contractor to join...Read More>>.

Posted: September 14th, 2026
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Lead Java Developer

Company IconBounteous
Location IconGlasgow

You will be working within a global Agile squad responsible for developing Transaction Reporting systems with robust controls to ensure timeliness and accuracy of reported data to enable client to manage its risk.The role will expose the...Read More>>.

Posted: September 14th, 2026
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Senior Java Software Developer London, UK

Company IconItrs Insights
Location IconLondon

Recognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry-leading solutions. Our mission is to make society’s critical technology work via automated & holistic IT observability solutions that safeguard critical ap...Read More>>.

Posted: September 14th, 2026
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Low Latency Java Developer

Company IconHarrington Starr
Location IconLondon

London | Electronic Trading | Java | Low LatencyWe're working with a technology-driven trading business looking for a hands-on Java Developer to build and enhance high-performance electronic trading systems.You’ll...Read More>>.

Posted: September 14th, 2026
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Full-Stack Java Developer

Company IconNPAworldwide
Location Icon

Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to j...Read More>>.

Posted: September 14th, 2026
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Java Developer with SQL - Central London

Company IconJas Gujral
Location IconLondon

Java Developer with SQL Server – Central London Our Client is looking to recruit a seasoned professional with 5 plus years experience in developing with Java as a backend Developer with SQL Server. You will have a good understan...Read More>>.

Posted: September 15th, 2026
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Software Developer - Java - £100,000 + Comps - London

Company IconHunter Bond
Location IconLondon

SummaryOn behalf of a highly regarded fintech organisation, we are partnering to find an experienced Software Developer to join their engineering team in London. This role is suited to an engineer with a strong foundation in building p...Read More>>.

Posted: September 15th, 2026
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Software Development Engineer

Company IconArcus FM
Location IconRedditch

Arcus FM is seeking a talented Software Development Engineerto join our innovative team.In this role, you will design, develop, and maintain software applications that drive success for our business and clients.Although thi...Read More>>.

Posted: September 16th, 2026
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Senior Software Developer

Company IconCorecom Consulting
Location IconLeeds

Senior Software Developer Leeds | Hybrid | Up to £65,000 + bonus & benefits A growing software business is looking for a collaborative, hands-on Senior Software Developer to join its established development team. This is...Read More>>.

Posted: September 16th, 2026
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Senior Software Developer

Company IconWebigence Ltd bespoke ASP.NET web development
Location Icon

Remote within the UK, with occasional team meet-ups in London when useful About Webigence and the Role Webigence has 25+ years of experience crafting UX-first, often highly complex software. Our engineers pair pragmatic, forwa...Read More>>.

Posted: September 16th, 2026
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Software Developer in Test

Company IconTen10
Location IconLondon

This is more than just a job, it’s an opportunity to innovate and grow. As a Software Developer in Test, you’ll:Work with our clients to design, build, and implement cutting‑edge automation frameworks and testing solutions...Read More>>.

Posted: September 16th, 2026
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Software Developer

Company IconMantle
Location IconNorthern Ireland

Software Developer Department: Mantle - Development Employment Type: Fixed Term - Full Time Location: Belfast Reporting To: Ritu Bhatt Description About You:...Read More>>.

Posted: September 16th, 2026
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Software Development Engineer III

Company Icon11310 Expedia.com Ltd.
Location IconLondon

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our con...Read More>>.

Posted: September 17th, 2026
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Software Development Graduate Programme

Company IconBabcock Mission Critical Services España SA.
Location Icon

Select how often (in days) to receive an alert:Software Development Graduate ProgrammeLocation: Bristol, GB, BS16 1EJOnsite or Hybrid: HybridSoftware Development Graduate Programme...Read More>>.

Posted: September 17th, 2026
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Senior Software Developer

Company IconApply now!
Location IconLondon

We have an opportunity for an experienced Senior Software Developer to join our Technology team in London on a permanent basis. You’ll join our Integration team at an important point in our journey, helping us to modernise and migrate...Read More>>.

Posted: September 17th, 2026
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Lead Software Developer

Company IconWe Love Alfa
Location IconLondon

Architect the platform that runs home life.We're hiring a Lead Backend Engineer to design a global, agentic-first platform for moving and home life. Fast enough for live voice. Reliable enough for agents to act on their own.4M+ ho...Read More>>.

Posted: September 17th, 2026
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Java Developer - Fullstack, active UKIC

Company IconBangura Solutions Limited
Location Icon

Long-term Java Developer role available for a UKIC DV Cleared individual.Working on a secure programme, this will be a broad development role that will give you an opportunity to develop cutting edge Software Development web applications...Read More>>.

Posted: September 15th, 2026
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