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You are predominantly a backend Java developer with at least 7 years of experience building complex distributed systems. ITRS Group is looking for Senior Java Engineer in London. As a Senior Java Software Engineer, you will:.

Build and maintain backend services and APIs using Java (preferred) or Node. We are looking for an experienced Full-Stack Developer to design, develop, and maintain scalable web and mobile applications. The role involves building modern user interfaces using React or React Native, developing robust

Crédit Agricole SA is seeking a Developer in London to work closely with front office users in foreign exchange trading. The ideal candidate will have coding experience in C# or Java, strong analytical thinking skills, and a keen interest in Financial Services.

We are seeking a Senior Java Developer to join our Core Platform Team. As a Senior Java Developer, you will architect and develop backend systems that power our games, player management, reporting tools, and third‑party integrations. You will work closely with Product Owners, Frontend Developers,

You will play a key role in developing tooling for the Citi developer community using a range of technologies including Java and SpringBoot microservices on Linux on OpenShift. You are a competent Java developer who drives with tests and understands the importance of writing clean, testable code. Yo

McNally Recruitment Ltd is seeking a Senior Java Developer focused on crypto exchange connectivity for their trading technology client. This hands-on role involves building and optimizing low-latency trading systems and requires a strong background in Java or C/C++.

Strong hands‑on experience with Java and Spring Boot.

This is a great opportunity for someone with.Investigate and resolve issues across backend services.Debug application behaviour using logs, metrics and monitoring tools.Work closely with engineers to reproduce and fix complex problems.Contribute improvements and fixes to the codebase.Help keep syste

As a Java Developer you will lead the design and development of payment service features in close collaboration with the team. You will mentor junior developers and actively contribute to agile ceremonies by demoing and documenting your work.

Tata Consultancy Services is looking for a Senior Java Developer based in Greater London to lead the design and development of scalable Java-based applications. Essential skills include Java, Spring, Spring Boot, Hibernate, RESTful APIs, and experience with databases.

A global technology company in the United Kingdom is seeking a skilled Kotlin / Java Developer for a full-time contract role. Candidates should possess strong experience in Kotlin or Java, API development, and modern coding practices.

Extensive experience with Java development (more for Lead level roles). Experience developing enterprise applications with Java, J2EE.

Proven experience as a Back‑End Developer with a strong focus on Java. Design, develop, and deploy stable, well‑tested fixes using Java and related frameworks.

Proven experience as a Back‑End Developer with a strong focus on Java. Design, develop, and deploy stable, well‑tested fixes using Java and related frameworks.

Act as a hands‑on Java developer, contributing to the design, build, testing, and rollout of new medical services at scale. Previous development experience with Java 1.

A leading technology SME in London seeks a motivated Java Software Developer with 1-3 years experience in software development. The ideal candidate will have experience with Java, Spring Boot, and cloud technologies.

DXC Technology is seeking a Java Platform Developer to work on-site in Gloucester or Central London. Essential skills include Java, C#, and C++ development, along with experience in agile practices and various technologies such as Docker and Kubernetes.

The team is growing fast and we are looking for a strong and motivated FX Risk Lead Java Developer. Design, develop, and maintain Java-based microservices for high-throughput application. Strong hands‑on experience with Core Java and multithreading in high-load systems.

You could be progressing your career in a senior, hands-on Java Developer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Java Developer you will design and develop complex real-time, low latency trading systems and execution serv

Strong hands‑on expertise with Java and Spring Boot (microservices). Design and build scalable Java / Spring Boot microservices.

We are seeking a hands on Senior Java Developer to join J. Senior Java Developer – JP Morgan – London – 10-month Contract – Onsite. This is a hands on role where you will design, build, and maintain Java-based backend systems, working with microservices, cloud technologies, and distributed s

A leading financial services company is looking for a Senior Java Developer to join their Middle Office Transformation team in London. This hybrid role requires advanced Java skills and a strong foundation in Python, along with experience in handling large data warehouses. The position is full-time,

This is an excellent opportunity to work on complex middleware systems, modern Java technologies, and critical public sector platforms. Java backend/application engineering.

We are looking for a highly skilled eFX Java Developer with a strong background in front‑office systems, low‑latency trading platforms, and real‑time market connectivity to join our team. Design, develop, and maintain low‑latency Java applications supporting electronic FX (eFX) trading syste

Experis - ManpowerGroup in London is seeking a Snr eTrading Developer FX eFX for a contract role until 30/12/2026. Applicants must have solid experience in Java server-side development, with a focus on algorithmic trading, multi-threaded systems, and agile delivery.

Developer will have the opportunity to:. Proven extensive background of commercial Java development.

Act as a hands‑on Java developer, contributing to the design, build, testing, and rollout of new medical services at scale. Previous development experience with Java 1.

We have an exciting opportunity for experienced Java developers to join our team!. Expert understanding of Java, knowledge of other JVM languages such as Kotlin is a plus. Modern Web Frameworks such as Spring or JavaEE and others.

Delta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. Implement high‑quality Java server‑side components, applying industry‑standard development patterns. Strong server‑side Java development experience, including multithreading.

Strong experience in Core Java, J2EE, Spring Framework. Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning.

Information Tech Consultants is seeking a skilled Java Developer to join their onsite team in London, United Kingdom. The ideal candidate will have strong backend development experience with modern Java technologies such as Spring Boot and Hibernate. Responsibilities include designing scalable Java

Polyglot full‑stack developer - Java + React.

The back end of their technology stack comprises Java-based microservices running on AWS. Success in this senior role calls for excellent software development skills in Java (or a closely related OO language), and a strong understanding of AWS is essential. Strong coding skills, ideally in Java, a g

Senior Backend Java Developer – London. The role focuses on contributing to a major architecture rebuild in Java Spring Boot within a cloud‑native environment, with strong scalability, reliability and real‑time stock/price synchronization challenges. Lead the architectural rebuild of the exist

Senior Java Developer, Java Software Engineer, Java 17, Spring Boot, Maven, Git, GitHub Actions, SQL, Microservice architecture, Kafka Streams, Kubernetes, React, Typescript – Technical lead on project – Fully remote if needed – £70K. Develop and unit test Java software applications. Expertis

Java, Kotlin, Microservices, Spring, SpringBoot. Seeking a Specialist with 5 to 7 years of experience in Java Frameworks and Kotlin to develop scalable and efficient backend solutions using Microservices Spring and Spring Boot. Develop and maintain robust Java applications using Spring and Spring Bo

Hyra is seeking a Java Developer to work on a critical programme for a major financial services client in the Greater London area. The role involves designing and building a new consolidated Trade Capture and Post-Trade Processing platform, enhancing backend services with Java and Scala, and partici

We are recruiting for a Senior Java / Kotlin Engineer. Key skills: strong experience in Java or Kotlin (back-end), and comfortable with TDD (test-driven development). Work embedded in a cross-functional team with software developers, technical product owners and testers all working together towards

Net, C#, Java, Salesforce, SharePoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, Azure DevOps and Octopus, giving you the opportunity to learn and work with many different languages.

We are seeking a Senior Java Developer to join our Core Platform Team. As a Senior Java Developer, you will architect and develop backend systems that power our games, player management, reporting tools, and third-party integrations. You will work closely with Product Owners, Frontend Developers, De

Google Professional Cloud Developer. Microsoft Azure Developer Associate (AZ‑204). Application Developer Certification.

Design, develop, and maintain backend applications using Java/JEE and related frameworks. Build backend components and services using Java‑based frameworks and languages. Collaborate with analysts, testers, architects, and fellow developers to deliver quality outcomes.

We are looking for a Java Developer with experience in. Java-based backend applications.

Proven experience as a Back‑End Developer with a strong focus on Java. Design, develop, and deploy stable, well‑tested fixes using Java and related frameworks.

As a Java Developer at CGI, you’ll design and deliver high‑quality software solutions that help our clients solve complex business challenges and achieve measurable outcomes. Working with modern Java and Spring Boot technologies, you’ll contribute to building scalable, enterprise‑grade appli

You will be a competent Java developer who drives with tests and understands the importance of writing clean, testable code. You will play a key role in developing tooling for the Citi developer community using a range of technologies including Java and SpringBoot microservices on Linux on OpenShift

Team is growing fast and now we are looking for a strong and motivated FX Risk Lead Java Developer. Key Responsibilities:*** Design, develop, and maintain Java-based microservices for high-throughput application* Integrate and optimize Apache Ignite based solution: in memory data grid for FX trades

A leading recruitment agency is seeking an experienced Java Developer for a 12-month remote contract. Successful candidates will possess strong backend development skills, particularly in Java and Spring Boot, and ideally hold an Active SC Clearance within the public sector.