Java / Kotlin Developer

Company IconSpectrum IT Recruitment Limited
Location IconBerkshire

If you're a Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring.This is an opportunity to take a leadin...Read More>>.

Posted: September 25th, 2026
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Java Web Developer

Company IconSolvex Solutions
Location IconLondon

Title : Legacy Java Developers Location - Remote - UKContractWe are looking for Legacy Java Developers to join our team and work on enterprise applications, legacy technology modernisatio...Read More>>.

Posted: September 25th, 2026
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Full Stack React & Java Developer - Rates & Credit Trading

Company IconVertus Partners
Location IconWhitehall

OverviewWe are seeking a Full Stack Developer to join the Credit & Rates Trading team at a leading investment bank. This role will be central to the re-engineering of several legacy trading applications, contributing to the design and...Read More>>.

Posted: August 17th, 2026
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Senior Java Developer API Security

Company IconClient Server
Location IconCambridge

OverviewSenior Java Developer / Backend Software Engineer Cambridge / WFH to £75kAre you a backend focused Java technologist?You could be progressing your career in a senior, hands-on role at a market leading soft...Read More>>.

Posted: August 17th, 2026
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Senior Java Developer - Fixed Income Algo Technology, VP

Company IconCitibank (Switzerland) AG
Location IconWhitehall

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 ma...Read More>>.

Posted: August 21st, 2026
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Senior Java Developer - Low-Latency Fixed Income Algos

Company IconCitibank (Switzerland) AG
Location IconWhitehall

Citibank (Switzerland) AG in London/Global Tech is seeking a senior Java engineer to design and deliver high‑performance trading platform components. You will collaborate with Traders, Quants and PMs to translate business needs into scalable sol...Read More>>.

Posted: August 21st, 2026
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Senior Java Developer - Fixed Income Algo Technology, VP

Company IconCiti
Location IconWhitehall

Paid Parental Leave 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+ cou...Read More>>.

Posted: August 28th, 2026
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Lead Java Developer — Real-Time Risk & Cloud (Hybrid)

Company IconCitibank (Switzerland) AG
Location IconWhitehall

Citi is seeking a Lead Java Developer in London to architect and implement real-time and on-demand risk systems. You will own the full lifecycle from design to production support, integrating new analytics and data sets across global teams....Read More>>.

Posted: September 14th, 2026
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Senior Java Developer - Post-Trade Market Data (London)

Company IconMorson Edge (Financial Services)
Location IconWhitehall

Morson Edge (Financial Services) in London is seeking a Senior Java Developer to join the post-trade engineering team on a contract basis. You will design and develop market data and reference data feeds, building robust Java/SpringBoot microservi...Read More>>.

Posted: September 14th, 2026
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26959889 - Core Engineering Java Development Lead – FX Tech

Company IconXcede Recruitment Solutions
Location IconWhitehall

Core Engineering Java Development Lead – FX Tech (SVP) Engineer the future of global finance. At Citi, our Tech team does not just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network....Read More>>.

Posted: September 14th, 2026
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Senior/Principal Java Developer - Low Latency - Financial Services

Company IconGrid Dynamics
Location IconWhitehall

Senior/Principal Java Developer - Low Latency - Financial Services 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are looking for low-latency Java Developers t...Read More>>.

Posted: September 14th, 2026
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Senior Java Developer — Lead Real-Time Risk Platform (Hybrid)

Company IconCiti
Location IconWhitehall

Citi in London is seeking a Lead Java Developer to drive the development of real-time and on-demand risk systems within our global trading and risk framework. You will own the full development lifecycle, from architecture to production support, an...Read More>>.

Posted: September 14th, 2026
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Backend Software Engineer - Application Development

Company IconThe Rundown AI, Inc.
Location IconWhitehall

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forec...Read More>>.

Posted: September 14th, 2026
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Senior/ Lead Mobile Applications Developer

Company IconiPlaceUSA
Location IconGlasgow

This is a remote role with some monthly travel to Glasgow, Scotland. Essential Duties and Responsibilities Provide technical and team leadership in the design, implementation, and testing of high-performance, high-quality...Read More>>.

Posted: September 14th, 2026
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Full Stack Software Engineer - Application Development

Company IconFront Door Defense
Location IconWhitehall

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, for...Read More>>.

Posted: September 14th, 2026
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Mobile Application Developer

Company IconMRJ Recruitment
Location IconManchester

Base pay range Company | Role intro We aren’t just building an app; we are building a global gateway. Our platform is currently utilized by over 5 million users worldwide, and with our user base growing by 250,000 every...Read More>>.

Posted: September 14th, 2026
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Java Developer

Company IconSidetrade
Location IconBirmingham

Overview Are you interested in joining a fast-growing international company that is a leader in its market? Are you ready to tackle stimulating challenges targeting large enterprises? Passionate about Technology and Global Organizations?...Read More>>.

Posted: September 14th, 2026
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Security-Cleared Java Developer (Spring Boot, Kafka) Hybrid

Company IconKorn Ferry
Location IconWhitehall

Korn Ferry is seeking a Security Cleared Java Developer for a project in financial services. This role supports hybrid work with an initial contract until February 2027. Candidates should have over 5 years of experience in Java development, includ...Read More>>.

Posted: September 14th, 2026
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Finance Application Developer / Systems Accountant

Company IconAlexander Lloyd
Location IconWhitehall

POSITION: Anaplan - Finance Applications Developer LOCATION: London - hybrid - permanent Global professional services organisation. Our client is seeking someone who is experienced with Anaplan to include build, design an...Read More>>.

Posted: September 15th, 2026
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Backend Software Engineer - Application Development

Company IconFront Door Defense
Location IconWhitehall

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, for...Read More>>.

Posted: September 15th, 2026
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Software Engineer II - Full Stack React/Java Developer

Company IconJPMorgan Chase & Co.
Location IconBournemouth

You’re ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you.As a Software Engineer II at JPMorganChase within the Commercia...Read More>>.

Posted: September 15th, 2026
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Senior Java Developer - Credit Risk Technology, Vice President

Company IconCitigroup Inc.
Location IconWhitehall

The Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applicati...Read More>>.

Posted: September 15th, 2026
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Application Developer (IT) - London - Permanent

Company IconSaffery
Location IconWhitehall

Application Developer (IT) - LondonThe roleYou will develop, enhance, and support custom applications, automations, integrations, and AI-powered solutions using the Microsoft Power Platform, Copilot Studio, Agent Builder, and...Read More>>.

Posted: September 15th, 2026
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Senior Java Developer | SQL Server | Central London (6m)

Company IconJas Gujral
Location IconWhitehall

Our Client in Central London is seeking a seasoned Java Backend Developer with 5+ years of experience and strong SQL Server expertise. You will contribute to backend systems, leverage Spring, and tackle algorithmic challenges within a large codeba...Read More>>.

Posted: September 21st, 2026
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Senior Elite 3E Applications Developer

Company IconSystemsAccountants
Location IconWhitehall

SystemsAccountants is seeking a Senior Applications Developer to own the development and support of Elite 3E-based solutions within a complex legal environment. You will work with finance and business stakeholders to deliver innovative application...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer

Company IconIntaPeople Limited
Location IconCardiff

Senior Java EngineerIntaPeople are partnered with a fintech scaleup in Cardiff city centre and are scaling up the Product Engineering team with a Senior Java Engineer.About the roles:The role is focused o...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer

Company IconCognibox
Location IconCardiff

Senior Java DeveloperDepartment: TechnologyEmployment Type: PermanentLocation: Cardiff, UKReporting To: Development ManagerDescriptionAt Veriforce, we help companies in h...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer

Company IconVeriforce
Location IconCardiff

Description At Veriforce, we help companies in high-risk industries keep their people, worksites, and supply chains safe and compliant. As a global leader in contractor and supply chain risk management, our SaaS platform simplifies con...Read More>>.

Posted: September 21st, 2026
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Rapid Application Developer – IT Quant

Company IconMargoconsulting
Location IconWhitehall

Margo is a Tech Native consultancy covering high value-added IT expertise for the market finance industry. We believe that the smart alliance between complex IT topics and the finance area brings the most challenging topics to our consul...Read More>>.

Posted: September 21st, 2026
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Lead Java Developer

Company IconScrumconnect Limited
Location IconSwansea

Scrumconnect 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 across UK government departments, working at the foref...Read More>>.

Posted: September 21st, 2026
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Real-Time Java Developer - Front Office Trading Systems

Company IconMargoconsulting
Location IconWhitehall

MARGO is recruiting a Java Developer to join the Front Office / Trading IT environment in London. You will design, develop and maintain real-time, high-performance Java applications that handle market data, pricing and orders in a low-latency sett...Read More>>.

Posted: September 21st, 2026
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Senior Java Developer - Credit Risk Technology, Vice President

Company IconCiti
Location IconWhitehall

The Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applicati...Read More>>.

Posted: September 21st, 2026
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Application Developer (IT) – London - FTC

Company IconSaffery
Location IconWhitehall

The roleTo develop, enhance, and support custom applications and integrations using the Power Platform, working closely with senior developers and the business. Deliver solutions aligned to requirements, focusing on usability, maintain...Read More>>.

Posted: September 21st, 2026
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Security-Cleared Java Developer | Hybrid Role

Company IconLA International
Location IconManchester

LA International is seeking 4 Software Developers to join a public sector team on a hybrid basis with 2 days per week in the office across Manchester, Blackpool, Leeds, or Newcastle. The role is IR35 inside and requires SC clearance, with readines...Read More>>.

Posted: September 21st, 2026
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AI-Driven Power BI & Application Developer

Company IconHarnham - Data and Analytics Recruitment
Location IconWhitehall

A London technology company is seeking a Power BI & Application Developer (AI) to join their Holborn team, with four days per week in the office. The role focuses on moving from traditional Power BI reporting to modern, application-based products...Read More>>.

Posted: September 21st, 2026
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Application Development Engineer (PU)

Company IconRed Bull Technology Group
Location IconMilton Keynes

Application Development Engineer - ICE Join Red Bull Powertrains and be part of a team pushing the limits of innovation and performance in Formula 1 power unit technology. If you're a passionate engineer, problem-solver, or technical e...Read More>>.

Posted: September 21st, 2026
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Power BI & Application Developer – AI

Company IconHarnham Ltd
Location IconWhitehall

POWER BI & APPLICATION DEVELOPER - AI LONDON/HYBRID UP TO £75,000 This is a unique opportunity to help shape the next generation of analytics solutions, combining Power BI, application development, and emerging AI techno...Read More>>.

Posted: September 21st, 2026
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Power BI & Application Developer - AI

Company IconHarnham - Data and Analytics Recruitment
Location IconWhitehall

Power BI & Application Developer - AILocation: London | 4 days per week in officeUp to £75k + benefitsNo sponsorship is availableA leading technology business is looking for a Power BI & Application Developer...Read More>>.

Posted: September 21st, 2026
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Mobile Application Developer - AI Neobank App

Company IconDoit
Location IconWhitehall

We are focused on reinventing how people spend, save, invest, exchange, travel, and more. Our objective is to build tools that will help people get more from their money and become an expert at ease. We believe AI will help make finance smart,...Read More>>.

Posted: September 21st, 2026
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Power BI & Application Developer - AI

Company IconHarnham - Data & Analytics Recruitment
Location IconWhitehall

Power BI & Application Developer - AI Location: London 4 days per week in office Up to £75k + benefits No sponsorship is available A leading technology business is looking for a Power BI & Application Develop...Read More>>.

Posted: September 21st, 2026
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Power BI & AI Applications Developer

Company IconHarnham - Data & Analytics Recruitment
Location IconWhitehall

Harnham - Data & Analytics Recruitment in London is seeking a Power BI & Application Developer (AI) to join their team. You will bridge BI and AI-enabled applications to deliver executive insights from complex data.You will work across Powe...Read More>>.

Posted: September 22nd, 2026
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Java Developer – DevOps, Microservices & Cloud

Company IconCapgemini
Location IconManchester

Capgemini UK is seeking a hands-on software engineer to deliver enterprise-scale solutions in a DevOps environment. You’ll work with Java, Spring, and modern cloud technologies across a hybrid setup blending Capgemini offices, client sites and h...Read More>>.

Posted: September 23rd, 2026
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Senior Java Developer - Azure | Onsite London (3 days/wk)

Company IconHybridEngineeringContractLondon, England, United Kingdom
Location IconWhitehall

HybridEngineeringContractLondon is seeking an experienced Java developer to join our team on a 12 month contract outside IR35. You will help define and deliver solutions iteratively, mentor the development team and drive adoption of new technologi...Read More>>.

Posted: September 23rd, 2026
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Senior Java Developer – Elite FinTech - Up to £750 per day

Company IconHunter Bond
Location IconWhitehall

Rate: Up to £750 per dayLocation: LondonWorking Pattern: HybridContract: ContractThe OpportunityThey are looking for an exceptional Principal / Senior Java Developer to jo...Read More>>.

Posted: September 24th, 2026
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Java Developer - AWS Microservices in the Cloud

Company IconMatchtech
Location IconNewcastle upon Tyne

Matchtech is seeking an experienced Java Developer to join a high-profile cloud transformation programme. You will work in a Scrum team to design, build, and support Java-based microservices on an AWS-hosted architecture, with a focus on scalable,...Read More>>.

Posted: September 24th, 2026
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Application Development Engineer (PU)

Company IconRed Bull Racing & Red Bull Technology
Location IconMilton Keynes

Application Development Engineer - ICE Join Red Bull Powertrains and be part of a team pushing the limits of innovation and performance in Formula 1 power unit technology. If you're a passionate engineer, problem-solver, or technical e...Read More>>.

Posted: September 24th, 2026
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Digital Application Developer

Company IconRathbone Brothers
Location IconLiverpool

Location Glasgow, GB, G2 1EH, Liverpool, GB, L3 1NW, London, GB, EC2V 7QN Location: Glasgow/Liverpool/ London Role Title: Digital Application Developer Contract: Perm Working pattern: Hybrid...Read More>>.

Posted: September 24th, 2026
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Java Developer | AWS Microservices SC Cleared

Company IconMatchtech
Location IconNewcastle upon Tyne

Salary: £? - ? per year Requirements: Strong commercial experience with Java 8+ Experience building cloud-based microservices Strong knowledge of Spring Boot Strong knowledge of Maven...Read More>>.

Posted: September 24th, 2026
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Hybrid Java Developer — Enterprise Apps & Production Support

Company IconCBSbutler Holdings Limited
Location IconShrewsbury

CBSbutler Holdings Limited in the United Kingdom is hiring a Java Developer for a hybrid role based in Telford, with two on-site days per week. You will work on enterprise Java applications within a collaborative Agile team and support live system...Read More>>.

Posted: September 25th, 2026
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