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    Mid Level Java Engineer — AI & DevOps | Hybrid UK

    CDL Software in Manchester is looking for an Intermediate Java Developer to join their engineering team. The successful candidate will design, build, and maintain Java applications, contributing to CI/CD processes and collaborating effectively with teams. This hybrid role offers a competitive salary be ...

    Backend Engineer Java/Spring Boot for Scale & HA

    Tria is seeking a Backend Engineer for a 6-month contract in London. This role focuses on developing scalable Java/Spring Boot services within a hybrid setup, requiring 1-2 days onsite. A strong background in building high-availability, high-traffic systems is essential. The successful candidate will w ...

    Mid Level Core Java Engineer: Build Scalable Systems

    Fusion Health is looking for an experienced Java Engineer to expand their core engineering team based in London. The ideal candidate has over 3 years of experience in Java programming, strong knowledge of algorithms, data structures, and web architectures. You will contribute to all phases of the devel ...

    Senior Java Backend Engineer Hybrid, 6 Month Contract

    A tech recruitment firm in the UK is seeking an experienced Java Developer for a hybrid position, requiring one day per month in the London office. The role is an initial 6-month contract focused on developing and enhancing scalable backend systems. Candidates should have strong experience in Java, solid underst ...

    Senior Core Java Engineer – Scalable Trading Tech (Remote)

    A well-known trading firm in London seeks a Core Java Developer. Ideal for those passionate about engineering challenges and looking to make an impact on business functionality. Experience in Core Java and server-side multi-threaded Java is preferred. This full-time role allows for home work but requires presenc ...

    Full Stack Engineer Java in London Solirius Reply

    Required Experience The ideal candidate should have commercial experience in some or all of the following: Substantial experience as a hands‑on Full Stack Engineer Java 7/8 to current Applied knowledge of front end frameworks (Angular, React, or other similar framewor ...

    Principal Java Engineer – Payments & Cloud Lead (Hybrid, 6m)

    Mindera is seeking a Principal Java Engineer in Greater London, England, for a 6-month contract outside IR35. You will be working in a friendly and welcoming team focused on developing secure, high-volume payment services. The role includes leading technical discussions, developing integrations with pa ...

    Backend Java Engineer: Scalable Microservices for US Retail

    Harrah's Cherokee Valley River in the United Kingdom is seeking a talented backend developer to join our US Product Development team. You will be instrumental in designing and delivering high-quality microservices that support our innovative retail systems, such as Sportsbooks and hotel check-in kiosks. < ...

    Lead Backend Engineer — Java/Kotlin, Cloud, London (Hybrid)

    Synchro is hiring for an experienced Lead Backend Engineer to work with a prestigious bank or financial services organization in London. You will be hands-on, delivering code into production across various critical projects while collaborating with stakeholders. Ideal candidates have robust experience in Java ...

    Senior AI Driven Reg News Engineer (Java/C#)

    The London Stock Exchange Group is seeking a Senior Developer to join the Regulatory News Service team in London. You will utilize AI to improve user experience and reduce operational workload for both internal and external users. Your role will involve full lifecycle Agile development and engaging wit ...

    Real Time Core Java Engineer Low Latency Trading

    Teza Technologies in Greater London is looking for a core infrastructure developer to enhance their real-time trading platform. The role demands proficiency in Java and C++ along with experience in building low-latency systems. You’ll be responsible for designing new functionalities and troubleshooting produc ...

    Lead Backend Engineer — Java/Spring | Hybrid + Visa Sponsorship

    Scrumconnect Ltd. in Swansea is looking for a Lead Backend Developer to drive the design and delivery of scalable and secure Back End systems. You will lead engineering teams, make architectural decisions, and ensure best practices across the development life cycle. The successful candidate should have ...

    Java Engineer Up to £115,000 + Bonus London/Hybrid

    Our client is an exciting and rapidly scaling fintech technology company building next-generation data infrastructure for modern financial markets. They are developing a high-performance data distribution platform designed to move, process, and deliver vast volumes of critical information in real time. </p ...

    Backend Java Engineer for CCR Risk & Margin Platforms

    Crisil Integral IQ is seeking an experienced Backend Java Developer in Greater London to build and enhance scalable, high-performance applications within a financial services environment. The ideal candidate will have strong technical expertise, particularly in Counterparty Credit Risk, collateral management, ...

    Hybrid Full Stack Engineer (Java/C# / React WPF)

    Citi is looking for a Full Stack Engineer (Java or C# / React or WPF) to join our hybrid team in Dundonald, Northern Ireland. This role requires extensive development experience, particularly in building user interfaces, and offers the opportunity to influence global finance through technical innovation. ...

    Backend Engineer (Java) for Scalable, Cloud‑Native Systems

    Dormont Manufacturing Co is seeking a Backend Engineer to collaborate within the Symphony engineering group. The role emphasizes Java development and operational excellence in a multi-cloud environment. Responsibilities include architecting backend services and supporting automation in deploying Sympho ...

    Full Stack Java Spring + Angular Engineer (London Hybrid)

    Computer Futures is seeking a skilled engineer for a hybrid role in London focused on building scalable, cloud-native applications. You will be responsible for developing full stack applications using Java Spring Boot and Angular, as well as implementing microservices and REST APIs. This 12-month contr ...

    T24 Migration Engineer TAFC to TAFJ, Oracle/Java

    VIQU IT Recruitment in the United Kingdom is seeking a T24 Migration Engineer to lead and support migration activities across complex environments. This hands-on role requires experience with Temenos T24, including database migration and TAFJ architecture. The position involves performance tuning, envi ...

    Senior Java/Python Engineer – Risk & Trading Backend (Hybrid)

    Hunter Bond is seeking a Senior Java / Python Engineer in London to help build critical backend platforms for financial systems. You will be part of a high-performing team focused on scalable engineering, supporting complex data workflows. The ideal candidate should have strong experience with Java and ...

    Java Full Stack Engineer Senior Consultant Digital Excellence

    ROLE DETAILS SBU - Invent, CU - Business Technology, Global Grade - C At the company Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting‑ed ...

    Java Backend Engineer – Microservices, AWS & Kafka (Hybrid Leeds)

    Caesars Entertainment is seeking a backend developer to join its US Product Development team based in Leeds, England. The role focuses on designing and delivering high-quality, high-performance microservices for various applications, including Sportsbooks and hotel kiosks. Candidates should have a minimum of ...

    Remote Java Engineer – FIX APIs for Trading Platform

    IG KnowHow is seeking a Java Engineer to join the IG Prime division. You will develop and maintain high-performance FIX APIs to facilitate institutional trading while ensuring reliability and resilience. The ideal candidate will have around 5 years of Java development experience, strong skills in async ...

    AI‑Driven Java & React Full‑Stack Engineer (Hybrid)

    CAPGEMINI is looking for a Java/React Developer to join their C&CA practice in Glasgow. In this role, you will architect and deliver seamless digital solutions, ensuring the applications meet performance and usability expectations. This position offers a hybrid work model that blends office, client sit ...

    SC Cleared Full Stack Engineer: Java, React & Cloud

    hackajob is collaborating with Raytheon to find exceptional Software Engineers in Manchester. This role requires SC clearance. You will design software, collaborate with stakeholders, and contribute to project milestones. The ideal candidate will have full stack experience in building enterprise-grade ...

    Senior Java Engineer for Greenfield Digital Bank London

    Vertex Solutions International Ltd is seeking a Java Developer for an exciting Financial Service project in London. The role involves contributing significantly to the development of a brand new digital bank from scratch, in a dynamic and innovative environment. The ideal candidate should have experien ...

    Java 17 Trade Systems Engineer Kafka & Front Office

    Lorien is seeking an experienced Java Developer for a 6-month contract in London, working in a hybrid model. The role is focused on developing high-performance trade processing systems in a fast-paced investment banking environment. Candidates should have strong experience with Java, particularly Java ...

    Senior Java Engineer – Cloud Microservices & DevOps (Cardiff Onsite)

    Amber Resourcing Ltd in Cardiff is seeking a Senior Java Engineer to deliver complex, enterprise-scale solutions in an Agile environment. This position offers a salary of £60,000 to £75,000 plus benefits and requires attendance in Cardiff four days per month. The ideal candidate should have strong Java ...

    Hybrid London: Senior Java Engineer, Low Latency Trading

    A leading financial technology firm in London is seeking Senior and Principal Java Developers to work on high-performance trading systems. Ideal candidates will possess strong Java skills and experience in low-latency applications. This hybrid role allows for both remote work and on-site collaboration in Canary ...

    Senior Java Backend & Full Stack Engineer (JSF + Microservices)

    Experis is seeking a Senior Java Developer in Glasgow to support the delivery of scalable software solutions in a collaborative environment. This role demands strong back-end Java development skills with contributions across the full stack, particularly in JSF UI development. The successful candidate w ...

    Senior Java Backend Engineer for Real Time Trading

    Ocho is seeking a Senior Java Developer in Belfast to join a small founding team in a trading technology hub. This pivotal role involves designing exchange connectivity systems and optimizing performance within a collaborative environment. With 6-10 years of experience in back-end development, candidat ...

    Senior Java Rates Engineer Low Latency Trading (London)

    A leading financial technology firm based in London is seeking an experienced Senior Rates Developer for a 12-month contract. The role involves developing low-latency pricing components and enhancing trading workflows. Ideal candidates will have strong Java server-side development skills and experience in Rates ...

    Senior Java Backend Engineer — AWS, Spring Boot, Remote

    A technology company is looking for an experienced Java Backend Developer to work on backend services for a modern enterprise platform. The role involves designing and maintaining scalable APIs, developing microservices, and ensuring system reliability. Candidates should have strong experience in Java, AWS, Spri ...

    Senior Java & TypeScript Engineer – Cloud, CI/CD & Impact

    Kainos is seeking a Senior Java Developer based in Budock Water, England. You will develop high quality solutions that delight customers and impact users globally. The role demands experience in Java, TypeScript, Angular, and AWS, as well as a collaborative spirit to mentor junior staff. The company va ...

    Lead Java Engineer — Post Trade Tech & Cloud Solutions

    JPMorganChase is looking for a skilled professional to join their team in Greater London. The role involves executing innovative software solutions, developing secure production code, and collaborating across teams to drive technological advancements. The ideal candidate will have practical experience ...

    Senior Python/Java Cloud Engineer — AI, AWS & RAG

    A global financial services leader in the UK is seeking a Senior Python Engineer to develop high-quality production code for cloud-based systems. This role involves optimizing AI-driven workflows and contributing to an agile team. The ideal candidate possesses advanced proficiency in Python and hands-on experien ...

    Senior Java & Web Tech Engineer — Cloud, AWS & DevOps

    A leading global technology company is looking for a Senior Java Engineer to lead the development of innovative applications using Java/JEE technologies. This role involves collaborating with cross-functional teams, utilizing frameworks and cloud services, and focusing on creating exceptional user experiences. A ...

    Full Stack Java Engineer — Onsite in Glasgow (FTC)

    A leading tech consultancy in Glasgow is urgently seeking a Full Stack Developer. The role requires strong experience in Java and Spring Boot, along with proficiency in Docker and Kubernetes. Candidates should hold a Bachelor's degree in a related field and possess excellent problem-solving and communication ski ...

    Lead Frontend Engineer Java & Open Source (Private & FS)

    Overview Lead Frontend Engineer - Java & Open Source (Private & FS) at Version 1. This role involves leading frontend development efforts, collaborating with product, architecture, and UX teams, and guiding best practices across the team. Responsibilities Experience leading te ...

    Full Stack Engineer (Python/Java/React) — Remote & Growth

    NPAworldwide is seeking Full Stack Python/Java/React Developers to join a mission-led consultancy in Bristol. You will design, develop, and test secure software systems while working in an agile environment focused on the UK Government and Defence sector. The position offers a salary ranging from £50,0 ...

    Remote First Java Engineer Senior/Principal, Craft & Scale

    A technology company in the UK is seeking Java Software Engineers at Developer, Senior, and Principal levels to join cross-functional Scrum teams. The role emphasizes clean code, TDD, and collaboration within a remote-first environment. Successful candidates will work on complex software systems and enjoy signif ...

    Full Stack Engineer (Python and/or Java) – VP

    Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

    Low Latency Java & Kafka Engineer — Real Time Payments

    J.P. MORGAN is seeking motivated Java engineers to join its Global Liquidity and Cash Management Technology team in Bournemouth. Successful candidates will develop innovative technology for the Corporate & Investment Bank's Payments business, managing client liquidity in real-time. Responsibilities include desig ...

    VP Full Stack Engineer (Python/Java) – Hybrid Finance

    Citibank (Switzerland) AG in London seeks an accomplished Full Stack Engineer (VP) to join our Strategic Equity Solutions team. You will develop robust software solutions that enhance trader workflows, collaborating closely with business stakeholders. Ideal candidates should have strong backend languag ...

    Senior C++/Java Engineer — Own Core Platform Components

    LSEG in Greater London is seeking a Senior Associate responsible for delivering high-quality software solutions using C++ and Java. Candidates should possess over 8 years of experience, strong software engineering skills, and a solid understanding of system integration. The role offers tailored benefit ...

    Full Stack Engineer (Python and/or Java) – VP

    Full Stack Engineer (Python and/or Java) – VP page is loaded## Full Stack Engineer (Python and/or Java) – VPApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: Engineer the future of global finance. At Citi, our Tech team doesn’t just ...

    Staff Backend Engineer (C++/Java/Go/Rust/Typescript)

    Fastest Growing Start-up in the UK | Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special For ...

    Full Stack Java/Vue.js Engineer Hybrid, Clearance Ready

    Amdaris is looking for a Full Stack Software Developer to join their team in Bristol on a hybrid model. Candidates must be able to obtain SC or BPSS clearance. This role will have you developing both front and back end solutions, ensuring application responsiveness, and creating servers and databases. ...

    Lead Java Engineer — Backend Architect for Risk Intelligence

    London Stock Exchange Group is seeking a Lead Java Engineer to join our Nottingham-based engineering team. In this hands-on role, you will design and develop high-performance Java services while applying Domain-Driven Design principles. You will collaborate closely with product managers and architects, ensuring ...

    Lead FX Pricing Engineer — Low Latency Java Leader

    Citigroup Inc. in Greater London is seeking a hands-on Java engineer to lead a high-quality team and drive technical implementation in FX Technology. The ideal candidate will utilize ultra-low-latency development practices and collaborate with trading and quant teams. With strong systems knowledge, exceptional c ...

    VP Full Stack Engineer (Python/Java) Hybrid & Growth

    Citigroup Inc. is seeking a Vice President level developer for their Strategic Equity Solutions team in Greater London. This role focuses on creating innovative trader workflow tooling within an agile team environment. The successful candidate will take ownership of the entire software development life ...

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