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>>.
Oscar Associates (UK) Limited
CheltenhamSoftware Developer (Java/C++) - A1 SC Cleared | £53,000-78,000A leading engineering team is looking for a UKIC DV-cleared Software Developer to support the development of high-performance backend software solutions within...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>>.
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 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>>.
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>>.
Millennium Management
LondonOverview 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>>.
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>>.
East West Railway Company
Milton KeynesOverview In this role you will design, develop and support Microsoft‑based applications that empower colleagues across East West Rail to work smarter and faster. You’ll join the Data Centre of Excellence to deliver practical digital sol...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 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>>.
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>>.
Searchability
ShrewsburyJAVA ENGINEERJava | Oracle SQL6-Month Contract£450per day via UmbrellaTelford - 2 days per week on-siteSC Clearance RequiredABOUT THE CLIENTOur client is a leading organis...Read More>>.
xantura
LondonWe are looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across t...Read More>>.
Nigel Wright Group
North EastThe Role One of my clients is requiring a couple of Java Developers to help them across a suite of projects. It will suit a developer who is used to being involved in every stage of the development cycle from development, testin...Read More>>.
Welocity
LondonOverview 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>>.
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>>.
your Jared
LondonJava Developer - Core Banking Location: Remote work, England Salary: Competitive Job Type: Contract Date Posted: 19 days ago Expiry Date: 03/10/2026 Job Ref:...Read More>>.
Oliver Bernard
LondonContract: 12 Months Location: Canary Wharf, London – 3 days onsite / 2 days WFH We are currently seeking 2 experienced Senior Java Developers to join a major retail banking transformation programme wi...Read More>>.
Harrington Starr
LondonLondon | 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>>.
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>>.
Experis
StevenageCMDB Application Developer & Reporting SpecialistLocation: Stevenage (100% Onsite)Rate: 800- 850 per day (Inside IR35)Clearance Required: Active SC ClearanceNationality Requirement: Sole UK Nati...Read More>>.
Bassetlaw District Council
WorksopBassetlaw District Council is seeking an enthusiastic Applications and Digital Development Officer to support, develop and maintain the Council's business applications and digital services. You will work across the organisation to improve systems,...Read More>>.
Darwin Recruitment
StevenageJob title – CMDB Applications Developer & Reporting SpecialistClient Location – Stevenage, UKRemote work offering – HybridClient Industry – Aerospace & DefenceContract Length – 6 monthsCon...Read More>>.
Network IT
StaffordSenior Java Developer 12 month contract Hybrid working - Multiple UK office locations £700-£750 per day Inside IR35 Network IT are currently recruiting for a Senior Java Developer to help design, build and support...Read More>>.
JAM Recruitment Ltd
Based in Birmingham, this Senior Java Developer contract role pays £700-£750 per day inside IR35. The 12-month assignment offers hybrid working across multiple UK office locations. You will design, build, and support software products underpi...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>>.