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 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>>.
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 contribute to a cloud-native Java stack within a SaaS portfolio management platform. You’ll design, develop and test microservices deployed to AWS, collaborating closely with cross-functional teams to solve...Read More>>.
London Stock Exchange Group
LondonOverview In this Lead Java Engineer role, you will shape the CDSClear risk platform, delivering production-grade risk models and execution patterns at scale. You’ll work closely with risk, pricing and analytics teams to ensure correctness...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 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>>.
Quant Capital
LondonOverview 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>>.
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>>.
London Stock Exchange Group
LondonOverview Senior Lead Java Engineer to lead the SwapClear Interfaces team in designing, building and maintaining Java-based systems critical to SwapClear operations. You will work in an Agile environment, collaborating with cross-functional...Read More>>.
Version 1
EdinburghOverview 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 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>>.
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 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 design, develop, test and deploy Java microservices in the AWS cloud to support a portfolio management SaaS platform used by investment teams. You’ll work in a collaborative, fast-paced environment with a fo...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>>.
Quant Capital
LondonOverview As a Java Engineer in a small, tech‑driven hedge fund, you will own development and production support for trading systems. You’ll work closely with a tight-knit team to scale and improve high‑performance, open‑source–dri...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 role you will help build a brand-new greenfield trading platform for a London-based hedge fund. You will work closely with the Head of Trading and the Execution Technology Team to design and develop Java-based trading algor...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>>.
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 In this role, you will build and enhance the firm's high-performance Execution Management System and in-house execution capabilities. You’ll work closely with Trading Desk and Research to extend multi-asset EMS, order routing, an...Read More>>.
fortice
LondonOverview 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 In this role you will help build a new risk engine for a high-profile systematic trading hedge fund. You will work on a large, Java-based distributed system that processes real-time data for portfolio management, focusing on perfor...Read More>>.
Luxoft
LondonOverview In this role you will design and deliver integration components connecting Loan IQ with upstream and downstream systems, guiding a pod of developers and promoting cloud-native patterns. You will mentor mid-level engineers and lever...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>>.
Elastic
Elastic is looking for a Senior Software Engineer to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. This team owns how nodes in an Elasticsearch cluster communicate, an...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>>.
Tesco Technology
Welwyn Garden CitySenior Software Development Engineers (SDEs) are the creative minds developing the software applications that make life easier for customers. Responsible for the entire development and support process for a software programme. Your applications...Read More>>.
Experis
Ribble ValleyExperis is seeking a Java Engineer to join a major digital transformation programme in a large-scale technology environment. The role is based in Telford with a minimum of 2 days on-site per week, offering a daily rate of £600.00–£620.00 insid...Read More>>.
Ocho People
Northern IrelandOcho People in Belfast is seeking a Senior Java Engineer to design, build and maintain cloud infrastructure across environments (AWS preferred). You’ll collaborate with a tight-knit team to improve reliability, scalability and performance on gre...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>>.
Trust Payments
BournemouthTrust Payments is seeking a highly capable Software Developer (Full stack) to join the Trust Retail team in Bournemouth. You will work across retail, EPOS, stock management, and customer engagement solutions, contributing to front-end, back-end, a...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>>.
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>>.
Capgemini
Capgemini is seeking a Senior Java Engineer to join their team in the United Kingdom. This role offers the opportunity to work on impactful projects in a hybrid environment, balancing office, client site, and remote work.As a Senior Enginee...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>>.
TEKsystems
Burgess HillTEKsystems is looking for a Backend Java Developer in Burgess Hill, UK. This role focuses on backend microservices development using Java (17+) and involves working with event-driven architectures powered by Kafka. Candidates should have a strong...Read More>>.
Bounteous
GlasgowBounteous is seeking a senior Java-focused engineer in the UK to enhance existing applications written in Java 17 and collaborate with senior stakeholders to translate complex requirements into scalable technical specifications.You will wor...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>>.
Railway Corp
Arenaflex is seeking a Full Stack Java Software Engineer to join our Customer Systems team. You will design, develop and deploy Java-based software systems that are secure, scalable and efficient, collaborating with business stakeholders and techn...Read More>>.
Next Frontier Capital
GlasgowJPMorgan Chase & Co. is seeking a Senior Lead Software Engineer to design and deliver trusted, market‑leading technology products in a secure, scalable way.You will lead critical tech solutions across multiple areas, shaping technology di...Read More>>.
Bangura Solutions Limited
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>>.
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>>.