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

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>>.

Overview 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>>.

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>>.

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>>.

Overview As a Senior Java Developer you will shape backend services for our ad-serving platform, collaborating with product and design to deliver scalable, reliable systems. You’ll lead technical decisions, mentor peers, and drive automat...Read More>>.

Overview 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>>.

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>>.

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>>.

Overview 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>>.

Overview In this role you will build new functionality for market data systems using Java 11 as part of a high-calibre team at a leading asset manager. You’ll join a tech-driven, risk-focused programme with close collaboration with trader...Read More>>.

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>>.

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>>.

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>>.

Overview In this role, you will contribute to building a new stress testing capability for the firm’s major market risk system, replacing a legacy platform with a cloud-first, next-gen solution. You will join a tech-driven team of highly...Read More>>.

Overview In this role you build and optimize ultra-fast Java and Rust frameworks powering algorithmic trading at scale. You work within a specialist electronic trading technology team to deliver low-latency, event-driven solutions. You will...Read More>>.

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>>.

Overview In questa role you will build real, scalable backend systems for a cloud/networking/security platform. You’ll work with product and research teams to bring ideas from concept to production, delivering meaningful impact rather tha...Read More>>.

Overview 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>>.

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>>.

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>>.

Overview Senior Java Engineer to join a high-profile systematic trading hedge fund. You will work on a large distributed Java-based system that ingests real-time data into a portfolio management platform, helping to build a new risk engine....Read More>>.

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>>.

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>>.

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>>.

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>>.

Overview 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>>.

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>>.

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>>.

Overview 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>>.

Overview As a Junior Java Engineer, you join a fast-growing investment team focused on building scalable trading infrastructure. You’ll help design and deploy a new trading architecture and cloud-native microservices that support model ex...Read More>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

Overview 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>>.

Overview In this role you will design, develop, and deploy cloud-based Java microservices to support a growing fintech platform. You will work closely with cross-functional teams in a collaborative, paired programming environment to solve c...Read More>>.

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>>.

Overview 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>>.

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>>.

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>>.

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>>.

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>>.

Overview 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>>.

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>>.

Overview In this role you will build and maintain large-scale payment systems within cloud-native architectures. You will work closely with major banking clients to implement the ICON IPF framework, applying Java, Spring Boot, and microserv...Read More>>.

Overview 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>>.

Overview 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>>.