183,126+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Productivity and Tooling Java Developer Assistant Vice President

For additional information, please review .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 A ...

Senior Rates Java Developer Hybrid London (12m Contract)

A leading consulting firm is seeking a Senior Rates Developer to join their London-based team on a hybrid basis. This role focuses on Java development in a high-performance trading environment, enhancing pricing capabilities for Rates and FX. The ideal candidate will have strong server-side Java experience and a ...

Senior Back End Developer Java and AWS (27629)

This company is developing an AWS-based platform to securely share medical diagnostics between clinicians and researchers worldwide, and enable online characterisation and measurements from scan images. This will feed into a better understanding of disease processes and ultimately better treatments for pat ...

Java Developer – UK Gov Project (Agile, Spring/J2EE)

A global consultancy firm is seeking a Java Developer to join their team in Leicester, Manchester, or London. In this role, you will contribute to HMRC's major projects, focusing on developing and delivering core applications. Candidates should have 2-5 years of experience in Java and J2EE technologies with a go ...

Senior Java Developer Fixed Income & FIX Protocol (Hybrid)

A financial services firm is seeking a Java Developer to work in a hybrid environment in London. The ideal candidate will have over 8 years of experience in Capital Markets and at least 5 years working with Fixed Income products. Proficiency in Java, SQL, and Git is essential, along with a strong understanding o ...

Low Latency FX Java Developer Front Office Trading

A global consulting group is seeking a highly skilled eFX Java Developer to join their team in London. This role focuses on designing and maintaining low-latency Java applications for eFX trading systems. The ideal candidate will have strong experience in front-office systems, connectivity, and algorithmic tradi ...

Rapid Front Office Java Developer | Trader Facing Apps

A leading financial services company in the UK is seeking a Rapid Application Developer skilled in Java and JavaScript. This role focuses on fast-paced application development directly impacting the trading desk, requiring close interaction with traders. Candidates should possess 0–3 years of experience and a st ...

Graduate / Junior Developer, Python, Linux, C#, Java London

Graduate / Junior Developer, Python, Linux, C#, Java – London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client’s revolutionary marketing software platform has been helping businesses ...

Low Latency Java Developer: FX Trading Integration (London)

Matchtech is seeking an experienced eFX Java Developer in London, United Kingdom. The role focuses on building the integration layer between the FIX pricing engine and the FX Connect Global Link trading platform, requiring expertise in low-latency Java trading. This contract-based position offers compe ...

Security Cleared Java Developer (Spring Boot, Kafka) Hybrid

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, including Oracle PL/SQL, Springboot, and Kafka. The ideal star ...

Java Swing Developer for High Performance Trading UI

A financial technology firm in Greater London is seeking a Java Swing Developer to enhance its high-performance desktop trading platform. This role includes maintaining a Java Swing-based UI and transitioning the architecture to microservices. The ideal candidate will have strong Core Java skills, experience wit ...

Senior Java Developer (SC Cleared) – Cloud & CI/CD

A UK technology consultancy is seeking a Senior Java Developer who will focus on delivering business outcomes and owning the entire code lifecycle, from performance to security. The candidate should possess strong skills in Java, AWS, and containerisation technologies like Docker, as well as a passion for qualit ...

FX Front Office IT Developer — Java/C# (London)

A leading banking institution in London is searching for a Developer to work closely with front office users in foreign exchange trading. Candidates should have experience with Java or C# and a strong desire to learn about financial services. Responsibilities include enhancing front-office systems, managing dev ...

Senior/Principal Java Developer Low Latency Financial Services

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 to join our clients FX eTrading team. The developers will be ...

Front Office FX IT Developer (Java/C#) – London

Crédit Agricole SA is seeking a Developer based in London, UK. The role involves enhancing front-office systems for foreign exchange trading, managing project deliveries, and automating processes. Candidates should have a strong desire to learn, excellent communication skills, and experience in C# or Java. A rec ...

Graduate Developer: Python/Linux/C#/Java — Remote (UK)

A leading technology company is seeking a Graduate / Junior Developer to join their team in London, offering flexibility with remote work. Applicants should have a foundational knowledge of Python, Linux, C#, or Java, ideally from their degree or industry experience. The role promises an engaging environment wit ...

Software Developer Java Mercury Platform for Apple Services

Summary Posted: 19 May 2026 Role Number: The role is in Apple Services Engineering (ASE) in London. ASE is the team behind high profile services such as Apple iCloud, Apple Music, Apple TV, Apple Arcade and more. We are looking for a world‑class software engineer to design and b ...

Senior Java Developer Credit Risk Technology, Vice President

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 applications systems analysis and programming activities. Team Ba ...

Senior Java Developer Credit Risk Technology, Vice President

Role Overview 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 application systems analysis and programming act ...

Hybrid Java Full Stack Developer: Spring Boot + Frontend

LA International is seeking a Java Full Stack Developer for a 12-month hybrid contract based in Manchester, requiring 3 days onsite. The role involves building and maintaining Java-based microservices, developing front-end applications with Angular or React, and integrating workflows with external systems. Candi ...

Senior Java/React Full Stack Developer | Hybrid/Contract

A leading cloud and engineering consultancy is seeking a Senior Java/React Full Stack Developer for a contract role. The candidate will work within a Solutions Engineering team, focusing on modernising complex software systems and improving delivery speed. This hybrid position requires strong skills in React and ...

Full Stack React & Java Developer Rates & Credit Trading

Overview We 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 delivery of modern, real-time trading systems. Key Req ...

Full Stack React/Java Developer Real Time Trading

A leading investment bank in London seeks a Full Stack Developer to join their Credit & Rates Trading team. The role involves re-engineering legacy trading applications and delivering modern, real-time trading systems. Candidates should have strong React and TypeScript skills, as well as solid Java experience. T ...

NATO Ready Full Stack Java Developer Secret Clearance

Wlgroup is seeking an experienced Full Stack Java Developer to support NATO's NIRIS platform. This role involves software development, integration, and testing in an Agile environment. Key responsibilities include developing Java components, maintaining REST integrations, and contributing to CI/CD prac ...

Senior Java Developer Credit Risk Technology, Vice President

Job Overview 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 applications systems analysis and programmin ...

Senior Java Rates Developer Hybrid London, 12m Contract

Delta Capita is looking for a Senior Rates Developer to join their team in London. This contract position offers a rate of £800 to £900 per day and requires strong server-side Java development experience within a real-time trading environment. Key responsibilities include enhancing rates pricing system ...

NATO Ready Full Stack Java Developer Secret Clearance

Wlgroup is seeking an experienced Full Stack Java Developer to support NATO's NIRIS platform. This role involves software development, integration, and testing in an Agile environment. Key responsibilities include developing Java components, maintaining REST integrations, and contributing to CI/CD prac ...

Full Stack React & Java Developer Rates & Credit Trading

Overview We 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 delivery of modern, real-time trading systems. Key Req ...

Full Stack React/Java Developer Real Time Trading

A leading investment bank in London seeks a Full Stack Developer to join their Credit & Rates Trading team. The role involves re-engineering legacy trading applications and delivering modern, real-time trading systems. Candidates should have strong React and TypeScript skills, as well as solid Java experience. T ...

Senior Java/React Full Stack Developer | Hybrid/Contract

A leading cloud and engineering consultancy is seeking a Senior Java/React Full Stack Developer for a contract role. The candidate will work within a Solutions Engineering team, focusing on modernising complex software systems and improving delivery speed. This hybrid position requires strong skills in React and ...

Senior Java Developer Credit Risk Technology, Vice President

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 applications systems analysis and programming activities.Team Bac ...

Senior Java Developer Credit Risk Technology, Vice President

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 applications systems analysis and programming activities.Team Bac ...

Application Support & Developer

A leading London law firm is seeking an Application Support/Developer to be responsible for the support for the administration and optimisation of the businesses databases. They will also be required to support key applications including the firm's Case Management System (Inprotech), Document Management System ( ...

Senior PHP Engineer — Laravel, GCP/AWS

Java Script Works is looking for a Senior PHP Developer to join their team in London, United Kingdom. The ideal candidate will write clean, testable code and have experience with GIT, HTML, CSS, JavaScript, and cloud services such as GCP and AWS. This full-time role offers a competitive salary of up to ...

Frontend Engineer (Mid Level) — TypeScript & React, London

Java Script Works is looking for a Mid-level Frontend Developer based in London, UK. The role involves designing, developing, and maintaining web applications using modern technologies such as TypeScript, React, and Redux. You will build responsive and scalable user interfaces that handle real-time data interact ...

Founding Full Stack Engineer: Next.js & TS Leader

Java Script Works is seeking a skilled full-stack developer to architect, build, and deploy comprehensive applications utilizing Next.js and TypeScript. The ideal candidate will have over 3 years of experience and a proven track record in managing production-grade systems from inception to launch. The ...

Mobile Application Developer

Our client are a global consultancy providing services in Digital Transformation, Digital Portfolio Management and Product/Service Development. Working within a nationally recognised client, you will drive the evolving library of a hybrid mobile applications (iOS and Android), which will serve millions of ...

Mobile Application Developer

Leading Investment Management firm is seeking a senior React Native/Typescript mobile developer to join the team building the mobile app for their flagship front office platform. This platform is used by portfolio managers and analysts cross-asset to both manage portfolios and place orders, so strong commu ...

AI Application Developer

Sprytech Ltd is an established cyber security and emerging technology company based in London, UK, founded by experienced technocrats having many years of industry experience across the globe. Sprytech has started an India office based in Mumbai and is working to establish an AI/ML driven cybersecurity and ...

Mobile Application Developer

Mobile Developer – React Native | EdTech Startup Overview Join one of the UK’s most exciting early-stage EdTech startups as our second engineering hire . This is a rare opportunity to get in early, help shape the technical direction of the company, and work on a product that mak ...

Pricing Application Developer

Join Barclays as a Pricing Application Developer, where you will design and enhance software solutions using modern engineering practices to deliver key business and technology capabilities. This role supports the continued development of Metis—a pricing platform for the Delta-1 business that enables stand ...

Mobile Application Developer

Mobile Developer – React Native | EdTech Startup Overview Join one of the UK’s most exciting early-stage EdTech startups as our second engineering hire . This is a rare opportunity to get in early, help shape the technical direction of the company, and work on a product that mak ...

AWS Application Developer

<p>Role Overview</p> <p>We are looking for a highly skilled AWS Application Developer with strong hands-on expertise in serverless and event-driven development. The role focuses on building modern, scalable applications on AWS, contributi ...

AWS Application Developer

TasksAWS Application DeveloperLocation: London *( Hybrid)6months+ Contract with possible extensionRole Overview: Seeking an experienced AWS Application Developer with expertise in serverless and event-driven archi ...

AWS Application Developer

TasksAWS Application DeveloperLocation: London *( Hybrid)6months+ Contract with possible extensionRole Overview: Seeking an experienced AWS Application Developer with expertise in serverless and event-driven archi ...

AWS Application Developer

<p>Role Overview</p> <p>We are looking for a highly skilled AWS Application Developer with strong hands-on expertise in serverless and event-driven development. The role focuses on building modern, scalable applications on AWS, contributi ...

Senior Java Backend SME FinTech

LinuxRecruit is seeking a Senior Java Developer to join an exciting team in the FinTech sector in London. As a key member of the team, you will be responsible for all back-end functions and leverage your expertise in Java to drive the success of projects. This full-time role offers a competitive salary ...

Full Stack Developer Data Analytics and Integration in London Marcura

Full Stack Developer - Data Analytics and Integration London, United Kingdom Posted 11 months ago Tech stack APIs Analytics Backend JavaScript Python Java Full-stack Artificial Intelligence Node.js mobile apps Mobile App Development Develo ...

Software Developer in London RedTech Recruitment

Software Developer London, United Kingdom Tech Stack Python C Java JavaScript Go Kotlin STEM Requirements First class STEM degree and at least AAB at A Level (or equivalent) < ...

Software Developer High Performance Trading Systems in London Quant Capital

Software Developer - High Performance Trading Systems London, UnitedKingdom Posted 10 months ago Tech stack Java C Algorithms Trading Data Structures Kotlin Qualifications: Exceptional programming abili ...

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