25 of 25 Contract Java Developer Jobs in the UK

Java Developer Hybrid Working - Local - 1-2 days a week on site. Financial Services Lorien's leading banking client is looking for a Java Developer who thrives on delivering low-latency, scalable services and event-driven architectures. If you're experienced with Java , Apache Kafka … Umbrella. Working in a Hybrid Model of 2 days a week on site. What you'll do Design, build, and maintain microservices in Java (preferably Java 11+/17) for mission-critical payment flows. Develop event-driven solutions using Kafka (producers/consumers, schema management, stream processing). ...

urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern … existing IBM MQ Series with Kafka across the platform. We are therefore looking for a rare and specific combination of skills: Deep expertise in Java (Backend Development). Strong, hands-on experience with Kafka (implementation, configuration, and integration). Essential knowledge of IBM MQ Series (or similar legacy messaging ...

Senior Java Developer Swindon (Remote) Contract Role- Up to £575 inside IR35 (4 months Initially) iO Associates is working with a leading public-sector-backed organisation on a major digital transformation programme. Their platform is responsible for managing and distributing billions of pounds of innovation funding each year … series of new initiatives, including increased automation, improved security, and the exploration of AI-driven solutions. They're now looking for an experienced Java Developer to join a collaborative, mission-led team building and supporting a large, high-availability platform used across the UK. The Role ...

Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. You will … quickly for Front Office - Work across design, development, testing and release - Provide 3rd-line support and ensure production stability Skills and Experience: - Strong Core Java - FX background (essential) - Proven low-latency engineering skills - Hands-on with Agrona, ring buffers, UDP, LMAX Disruptor/Chronicle Queue - FIX protocol knowledge - UNIX ...

Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. You will ...

urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern ...

Senior Java Developer Swindon (Remote) Contract Role- Up to £575 inside IR35 (4 months Initially) iO Associates is working with a leading public-sector-backed organisation on a major digital transformation programme. Their platform is responsible for managing and distributing billions of pounds of innovation funding each year ...

Title: Java Developer Rate: £400 (Inside IR35) Duration: 12 Months Location: Hybrid - Birmingham, Manchester, Leeds, Newcastle, Blackpool, Glasgow or Cardiff Clearance: BPSS Stages: 2 Stages Must have Government experience Key Responsibilities Design, develop, and maintain software solutions using Java, Node.js, and TypeScript. Write efficient and secure Shell … debugging processes. Ensure best practices in software development, including version control, CI/CD, and documentation. Required Skills & Experience Proven professional experience in Java and Node.js development. Strong knowledge of JavaScript and TypeScript. Hands-on experience with Linux systems. Proficiency in writing and maintaining Shell Scripts. Solid understanding ...

client are seeking a Java Developer with strong expertise in Apache Kafka , Node.js , and AWS cloud services . The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience Strong commercial experience with Java (core ...

Description: Role/Job Title: Mobile Backend Developer (JAVA/Kotlin) Work Location: Manchester Tues/Wed/Thur The Role Seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across … teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Your Responsibilities: Provide advanced technical expertise in Backend Development, supporting the team with effective solutions ...

Title: Java Developer Rate: £400 (Inside IR35) Duration: 12 Months Location: Hybrid - Birmingham, Manchester, Leeds, Newcastle, Blackpool, Glasgow or Cardiff Clearance: BPSS Stages: 2 Stages Must have Government experience Key Responsibilities Design, develop, and maintain software solutions using Java, Node click apply for full job details ...

client are seeking a Java Developer with strong expertise in Apache Kafka , Node.js , and AWS cloud services . The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment click apply for full job details ...

Bank, delivering next-generation algorithmic trading systems across benchmark, smart order routing, and internal crossing strategies. The Role You'll work as a Core Java Developer within a high-performing Algo Engineering group, responsible for evolving a suite of low-latency, high-throughput trading engines that power … support Deliver framework-level improvements for throughput, resilience, and scalability Participate in peer reviews, mentoring, and agile ceremonies Required Skills & Experience Expert-level Core Java (collections, concurrency, NIO, memory management) Strong understanding of multithreaded systems and low-latency I/O Deep familiarity with design patterns (Observer, Factory, Singleton ...

Proficiency in Java, including Java 8 and above. Experience in designing microservices, developing, and deploying microservices. Strong knowledge of Spring Boot, Spring Cloud, and other Spring components. Expertise in building and consuming RESTful microservice Experience with SQL and NoSQL databases, PostgreSQL Strong knowledge on cloud services such ...

Description: Role/Job Title: Mobile Backend Developer (JAVA/Kotlin) Work Location: Manchester Tues/Wed/Thur The Role Seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across … teams and foster a developer community within your domain click apply for full job details ...

Proficiency in Java, including Java 8 and above. Experience in designing microservices, developing, and deploying microservices. Strong knowledge of Spring Boot, Spring Cloud, and other Spring components. Expertise in building and consuming RESTful microservice Experience with SQL and NoSQL databases, PostgreSQL Strong knowledge on cloud services such ...

Halian Technology are currently looking to hire several contract Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. You will … have an oversight on design decisions and guides team to achieve key results for products assigned to them. Key Skills needed: 4 years + Java Development Java 17/21 Spring boot Nexus, Artifactory, Sonar, Jacoco Kafka Kubernetes, Helm Databases - Hbase etc Nice to have: Kafka Streams, Data ...

months Location: Edinburgh (on-site once per sprint, flexibility under discussion) Rate: £450 - £475, Inside of IR35 Overview We're looking for a Senior Java Developer to join a high impact public sector Project. This is an exciting opportunity to contribute to critical services, working with modern technologies … collaborative environment. Key requirements Strong Java expertise (Java 21+, Spring 3). Experience with NodeJS/Express, MongoDB, and AWS Cloud. Knowledge of CI/CD pipelines (GitLab CI), Docker, and Git. Familiarity with Apache Kafka, microservices, and containerisation. Prior government project experience highly desirable. How to Apply ...

leading Professional Services Company is seeking Full Stack Java Developers on a contract basis to work on a project with a leading Financial Services client. You will need to work onsite 3-4 days a week in Bournemouth. Please DO NOT APPLY unless you can commit to this. Experience …/Skills required: Full Stack developers with Advanced Java/Spring Boot experience + some ReactJS experience. Core Java is the key requirement ...

high-quality software solutions. As a key member of the engineering team, you will be responsible for developing robust and scalable applications using Java , working within a Linux environment, and leveraging the power of Amazon AWS cloud infrastructure . Youll apply Test-Driven Development (TDD) or Behavior-Driven Development … objectives. Were seeking someone who takes pride in writing clean, well-documented, and testable code, with solid experience in unit and component testing. While Java expertise is essential, familiarity with Ruby and Python will be considered an advantage. Experience or interest in video technologies and video streaming/packaging ...

month contract - Inside IR35 - Investment Banking, London Job Purpose In support of the Securitisation business, the developer will be responsible for: * Development of functional features or fix bugs on MyCreditApp application (target securitisation application) * Contribute to maintaining and improving quality and performance of the application * Maintain and support existing … Agile methodology * To Contribute to continuous improvement plans throughout the product lifecycle, particularly during team retrospectives Knowledge, Skill and Experience * Proven experience of Java, Spring and Hibernate * Proven experience of Angular, Javascript, HTML5, CSS, RESTful services * Proven experience of Oracle database * Proven experience of testing framework using Junit ...

Up to £900 per day (via umbrella) London - Hybrid (2-3 days onsite) 12-Month Initial Contract - Immediate Start Join a front-office Electronic Trading Technology team at a Tier-1 Investment Bank, delivering next ...

Halian Technology are currently looking to hire several contract Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. You will ...

Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview Were looking for two talented Software Developers to join our dynamic team based in London. This ...

months Location: Edinburgh (on-site once per sprint, flexibility under discussion) Rate: £450 - £475, Inside of IR35 Overview We're looking for a Senior Java Developer to join a high impact public sector Project. This is an exciting opportunity to contribute to critical services, working with modern technologies ...