Java Developer - Belfast, Northern Ireland
Randstad Digital
BelfastRole: Java DeveloperType: PERM/FTELocation: Belfast, Northern IrelandWorking Model: HybridCore Responsibilities:Develop:...Read More>>.
Randstad Digital
BelfastRole: Java DeveloperType: PERM/FTELocation: Belfast, Northern IrelandWorking Model: HybridCore Responsibilities:Develop:...Read More>>.
Quant Capital
LondonOverview 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>>.
Quant Capital
LondonOverview In this role you will build and evolve a high-performance Java platform for a pioneering fintech trading firm. You’ll work within an agile, test-driven environment to deliver business functionality with visible impact on the prod...Read More>>.
Client Server
Newcastle upon TyneOverview 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>>.
Version 1
LondonOverview 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>>.
NTT DATA
LondonOverview As a Senior Java Developer at NTT DATA, you will design, build, and maintain cloud-native Java applications using Spring Boot and microservices. You will shape scalable REST-based services and robust CI/CD pipelines, collaborating...Read More>>.
Adaptive Financial Consulting
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Nexus Jobs
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Citigroup
BelfastOverview 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>>.
Quant Capital
LondonOverview 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>>.
London Stock Exchange Group
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Nexus Jobs
RedhillOverview 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>>.
Citigroup
BelfastOverview 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>>.
Quant Capital
LondonOverview 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>>.
London Stock Exchange Group
LondonOverview 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>>.
Version 1
BelfastOverview 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>>.
Quant Capital
LondonOverview 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>>.
Methods Consulting
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Quant Capital
LondonOverview In this role you will join a London-based quantitative trading firm to design and build low-latency Java-based trading solutions. You collaborate with the Head of Trading and Quant team to develop new algorithms and maintain existi...Read More>>.
Quant Capital
LondonOverview 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>>.
fortice
BristolOverview 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>>.
Quant Capital
LondonOverview 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>>.
Quant Capital
LondonOverview 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>>.
Halliburton
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>>.
Citigroup Inc.
Northern IrelandDiscover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career...Read More>>.
RedRock Resourcing
RedRock Resourcing is seeking an experienced Senior Java Developer to join a large-scale technology programme, delivering modern applications and services within a complex enterprise environment.You will design RESTful APIs, implement with...Read More>>.
Client Server
Newcastle upon TyneClient Server in Newcastle upon Tyne is seeking a senior, hands-on Java Developer to transform a complex C++ legacy trading system into a modern Java-based platform.This full-time role based in Central Newcastle offers a highly competitive...Read More>>.
Citi
DundonaldCiti Belfast is hiring Experienced Backend Java Developers to contribute to, and in some cases lead, the design and development of core backend services.The role spans Assistant Vice President to Senior Vice President levels, with a hybrid...Read More>>.
Bounteous
GlasgowBounteous 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>>.
Onyx-Conseil
Liferay with Java Developer - Surrey We are looking to recruit a Java Developer with at least 2 to 5 years solid development expertise using Java Enterprise J2EE with Liferay. You will have experience of Designing & Devel...Read More>>.
Opus Recruitment Solutions Ltd
North EastOpus Recruitment Solutions Ltd is seeking an experienced Java Developer to join a high-performing engineering team in Newcastle on a 12-month fixed-term contract. You'll work on modernising platforms using Spring Boot and microservices, deploying...Read More>>.
TEKsystems
SheffieldOverviewFull 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>>.
Citi
Northern IrelandCiti Belfast is hiring for a role in its Tech team focused on engineering the future of global finance. The role involves assisting or leading in application systems development, analysis and programming, with a hybrid working model (up to 2 days...Read More>>.
NPAworldwide
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>>.
Oscar
Salary: £49,000 - 89,000 per year Requirements: Minimum 4 years of commercial experience in Java / J2EE development across front-end and back-endStrong knowledge of J2EE, RESTful Web Services, and framework...Read More>>.
CHAPMAN TATE ASSOCIATES LIMITED
NottinghamChapman Tate Associates Limited is recruiting a Java Developer in Nottingham for a permanent role. You will build and maintain secure, scalable Java applications, collaborating with product owners and architects to deliver world-class solutions....Read More>>.
Hippo Digital Limited
Hippo is recruiting Intermediate Java Developers to join our Hippo Herd. You will deliver high-quality software for public and private sector clients, collaborating with colleagues to design and implement solutions and manage deployment pipelines....Read More>>.
Citibank (Switzerland) AG
Northern IrelandCiti Belfast is seeking Experienced Backend Java Developers to join our Technology team in Belfast. Roles range from AVP to SVP level, contributing to a variety of development activities and end-to-end lifecycle ownership.We offer a hybrid...Read More>>.
CBSbutler Holdings Limited trading as CBSbutler
Newcastle upon TyneCBSbutler Holdings Limited trading as CBSbutler is seeking a Java developer for a 12-month contract in Newcastle with hybrid working. The role requires cloud services development, OpenShift/Kubernetes expertise, and frontend Angular experience wit...Read More>>.
Scrumconnect Limited
Newcastle upon TyneNewcastle, United Kingdom | Posted on 10/09/2026Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions ac...Read More>>.
慨正橡扯
Glasgow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>>.
Caspian One
Global Investment Bank is seeking a Senior Java Developer to join the T+1 Settlement Programme within regulatory change and post-trade technology teams. You will design and build Java applications to support the move from T+2 to T+1 across UK and...Read More>>.
Jas Gujral
Jas Gujral is seeking a Java Developer with 2–5 years of solid Java Enterprise (J2EE) experience and Liferay expertise to join a Surrey-based team on a 6-month contract. The role requires hands-on development of Java EE portals, strong collabora...Read More>>.
Version 1
BirminghamVersion 1 in the UK is seeking a motivated Java Developer to join a dynamic delivery team. You will design and build enterprise Java applications, APIs, and integration components within Azure-based projects for major clients.Working in an...Read More>>.