22 of 22 Contract Java Developer Jobs in the UK

Java Developer with AWS Remote Hybrid Hampshire 6months £(Apply online only)+ per day inside We are looking for a team of Java Developer s for a new project, the Java Developer will need Java 17, 21, Junit 5, Cucumber, Spring Boot 3, 4 and Tooling. The Java Developer with AWS More ❯

Senior Java Developer | SC Clearance Required | Up to £650 per day (Inside IR35) | Remote with Monthly Visits to London | 6 Month Contract MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing, coding, reviewing … and testing solutions within the Java stack , collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. Main Responsibilities: Design, code, review, and unit test … applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). More ❯

Senior Java Developer | SC Clearance Required | Up to £650 per day (Inside IR35) | Remote with Monthly Visits to London | 6 Month Contract MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing, coding, reviewing … and testing solutions within the Java stack , collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. Main Responsibilities: Design, code, review, and unit test … applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/SOAP). More ❯

Sr Lead Java Developer - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯

Sr Lead Java Developer - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯

Role: Java Developer Location: Hybrid travel to client site 2-3 days per week. Rate Outside IR35: £500.00 - £550.00 Clearance: Active SC Clearance (Must hold Active SC) We are seeking an experienced and hands-on Java Developer with a strong understanding of Java to join our team. The ideal candidate will have a solid background … reporting in the event of delays, proactively manage dependencies, and work with team members to resolve issues impacting delivery. Required Qualifications: - Minimum of 3 years of experience as a Java Developer. - Strong understanding of functional programming principles and Test-Driven Development (TDD). - Experience with relational and NoSQL databases. - Familiarity with cloud platforms such as AWS, Azure, or GCP. More ❯

Java Developer - Active SC Up to £640 per day (Inside IR35) London/Remote 6 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Active Security Clearance (SC … Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries Spring Boot: Expert in building RESTful APIs and microservices AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) Kafka/Messaging Systems: Expertise in building event-driven architectures SQL: Strong experience with relational databases and query optimization More ❯

Java Developer - Active SC Up to £640 per day (Inside IR35) London/Remote 6 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Active Security Clearance (SC … Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries Spring Boot: Expert in building RESTful APIs and microservices AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) Kafka/Messaging Systems: Expertise in building event-driven architectures SQL: Strong experience with relational databases and query optimization More ❯

Lead Java Developer Rate: Up to £700/day Inside IR35 Location: Leeds - 3 Days Onsite Per Week Contract: 12 Months About the Role We're looking for a Lead Java Developer to join a major national digital transformation programme. The successful candidate will help build and improve high-traffic citizen-facing services used by millions … across the UK. You'll lead or mentor a team of Java developers, deliver robust, scalable solutions, and contribute to modernising a complex digital estate. This is a hands-on technical leadership role for someone who thrives in collaborative, Agile environments and wants their work to have a tangible impact on society. Key Responsibilities Lead or guide a team … of Java developers on large-scale digital services. Design, build, and enhance server-side applications and APIs for internal and external use. Build and maintain automated test suites to support continuous deployment. Contribute to scaling and improving high-traffic web platforms. Provide 2nd-line support for applications and platforms, including occasional out-of-hours support. Communicate technical concepts clearly More ❯

Java Developer | 5 Months Contract | Inside IR35 | £785 a day My customer is a leading consultancy, who are looking for a eDV cleared Java Developer. Due to the nature of this work, we cannot consider applicants without this level of clearance. Role : Java Developer Technical Skills : . Java development . Object store configuration and … containerisation . Docker, Kubernetes . Back-end software development using Python and Java . Relational databases and SQL . Experience integrating 3rd party software, scripting/glue work . Experience building and deploying web user interfaces . Experience working closely with or in national security missions . Agile approaches to delivery . Good problem-solving skills and understanding of More ❯

Were looking for a Lead Java Developer for our public sector client based in Leeds, Manchester or Newcastle on an initial contract paying up to £750 per day Inside IR35 on an initial 12 month contract. This role requires 3 days per week in the office and applicants must hold or be eligible to obtain Security Clearance (SC … engaging with stakeholders Driving the evolution of digital services and underpinning infrastructure Essential skills: Strong experience in one or both of the following: Modern software engineering for digital products (Java, microservices, Hexagonal architecture, MongoDB, Kafka) OR Cloud infrastructure, DevOps, and automation (AWS, Terraform, GitLab CI, Jenkins) Proven track record of leading engineering teams, providing technical guidance, coaching, and mentoring … control, assurance, secure design) Strong collaboration and ability to share knowledge within engineering communities Experience delivering in complex, multi-disciplinary environments to tight timescales Interested? Please apply below. Lead Java Developer, Technical Lead, Public Sector, Java, Microservices, AWS, Terraform, GitLab CI, Jenkins, MongoDB, Kafka, DevOps, Digital Services, Inside IR35, SC Cleared More ❯

SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Please note: Candidates must have a current and active SC and NPPV3 Clearance- unfortunately, applications without this cannot be considered. Looking for a number of SC + NPPV3 Cleared Java Developers to work on a Law Enforcement programme. Key Responsibilities: Work … on data mapping and report writing in Java. Essential Skills: Java AWS Spring Boot Kafka Desirable Skills: React JavaScript SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying More ❯

Java Developer - Contract 3 - 6 Month experience Remote working, Outside IR35 SC: Must be Eligible for SC (Criteria: 5 years as a resident in the UK and no longer than 30 consecutive days abroad outside the UK in the last 5 years) Run-Time are looking for +10 Senior Java Developers (contract) to join a Public Sector … Client on a long term project. Requirements: The environment is fast paced and rewarding and of great interest in terms of its use of latest tools and technologies. Java 7/8 to current Applied knowledge of front end frameworks (Angular, React, other similar) Spring framework Knowledge of selected front end technologies (HTML, JavaScript, CSS) Rest, Hibernate, Docker, Terraform More ❯

Java Developer - ION/Credit Bonds - sought by investment bank based in London - Contract - Hybrid *inside IR35 - umbrella* Details: Hardworking, dedicated, detail oriented, focused on quality and a team player, with effective verbal and written communications. 7+ years of hands-on coding in server side Java with strong emphasis on Concurrency, Collections API, Messaging and Event processing More ❯

high transaction online gaming websites. You will be required to produce robust, clear and polished code to tight time-scales. This is an excellent opportunity for a highly-motivated Java developer to be involved in the delivery of new customer products and/or customer roadmaps. The candidate will be a key member of an agile development team … will leverage cutting edge technologies to deliver betting opportunities and odds via an automated platform. You will be involved in: Proposing and implementing technical solutions by developing and maintaining Java-based components and interfaces. Defining technical objectives by analysing user requirements and proposing system features and functionality. Determining design methodologies and tool sets; completing programming using languages and software … and operating platforms. Supporting customers (internal and external) by developing documentation and assistance tools. REQUIREMENTS you will have: Multi-threaded programming 3+ years experience Spring framework Hibernate Proficiency in Java debugging Strong SQL JMS More ❯

Role Title: Senior Java Microservices AWS Developer Location: London, UK - Hybrid (2 days on-site per week) Day Rate: £510 Inside IR35 Contract Duration: 6 months The Role As a Senior Java Microservices AWS Developer, you will be responsible for the design and development of web applications using Java and AWS Serverless Architecture (Lambda, DynamoDB … Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3). Key Responsibilities Design and develop web applications using Java and AWS technologies. Integrate and manage AWS services such as EC2, S3, Lambda, and RDS. Develop code deployment strategies and CI/CD pipelines. Design and build robust, scalable … to uphold code quality and standards. Take full ownership of feature development from design through to production. Your Profile Essential Skills & Experience Minimum of 10 years' relevant experience. Strong Java server-side concurrent programming skills with Spring Boot (Core Spring) and JUnit. Good understanding of message-based architectures (MQ/Kafka). Proven proficiency in AWS Serverless Architecture (Lambda More ❯

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 not be alone in this role this a brand new team … developed communication skill 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 sinks OCP RabbitMQ Gatling, JMeter More ❯

Role:JAVA Full Stack Developer Job Type - Glasgow, Hybrid (3 5 days onsite) The Role As a JAVA Full Stack Lead Software Engineer with our client, you will play a crucial role in an agile team, focusing on the enhancement, construction, and delivery of top-tier technology products in a secure, stable, and scalable manner. Key Responsibilities … to 10, avoid repetition): Hands-on practical experience in System Design, Application Development, Testing, and operational Stability. Experience in developing, debugging, and maintaining with technologies and frameworks such as Java, J2EE, Microservices, Spring Boot, Spring Cloud, Angular, JavaScript, and REST API. Exposure to Database Servers such as Oracle and NoSQL databases such as Cassandra. Knowledge in Database ORM frameworks More ❯

Contract Back-End Java Engineer – Remote – up to £650 per day 12-month contract (with potential extension) Are you an experienced Back-End Java Engineer with proven experience in the gambling industry This is a fantastic opportunity to work on large-scale, high-traffic platforms for a well-known operator, delivering critical back-end services in a modern … distributed environment.This is a fully remote contract (UK based), initially for 12 months with strong potential to extend.Key Requirements You have strong commercial experience with Java and frameworks such as Spring/Spring Boot. You bring solid cloud experience (preferably AWS) and are confident working with Kubernetes and Docker . You’re skilled with messaging systems and APIs (Kafka … services that power high-traffic gambling platforms. Contributing to the design and architecture of distributed systems that need to be fast, scalable, and secure. Writing clean, reusable, and reliable Java code that follows best practices. Working with databases, caching, and messaging systems to ensure smooth performance and real-time gameplay. Collaborating with Product, QA, Front-End, and DevOps teams More ❯

Title: JEE Developer Location: Bristol, UK Employment Type: Contract Position Mode of Work: Hybrid-3 days/week Key word: Java EE, Dynatrace/Splunk Job Description Very strong object-oriented design skills and understanding of well-engineered design Proficiency in the following skills and technologies is mandatory: Java EE including (Web Services, REST, JPA) Database (at More ❯

Halian Technology are currently looking to hire several contractJunior - Mid Level Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java and some UI capability who want to work on a greenfield build with some of the latest technologies. You will not be alone in this … highly developed communication skill You will have an oversight on design decisions and guides team to achieve key results for products assigned to them. Key Skills needed: 3 years Java Development Spring boot 3. Experience with one of UI technology Expertise in key technologies to be leveraged by the team including Java, CI/CD technologies Experience working More ❯

Java Developers - 100% Remote role SC Clearance is preferred but will sponsor exceptional applicants Overview of the Java Developers role We are looking for highly skilled Java Developers to join a secure government project with a critical deadline. This is an opportunity to work on a large-scale system where your expertise in Java, Spring Boot … and AWS will be essential. You will be part of a collaborative team, building scalable solutions and solving complex problems that have a real impact. Key responsibilities for Java Developers Design, develop, and deploy backend services using Java and Spring Boot Build and maintain scalable APIs Analyse schemas and write optimised SQL queries against large datasets Work closely … cloud deployment in AWS Contribute to architectural decisions and shape technical roadmaps Write clean, well-tested, and maintainable code Perform code reviews and mentor junior engineers Essential skills for Java Developers Strong expertise in Java (8/11/17+) and core libraries Proven experience with Spring Boot and microservices Strong background in AWS (EC2, S3, Lambda, IAM More ❯