1 to 25 of 47 Contract Java Developer Jobs in the UK

Senior Java Developer Inside IR35 - 3 days onsite Our banking client is seeking an experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer … you will play a key role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross-functional teams to define, design … and deliver new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong background in unit, regression, and integration More ❯

Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability … to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following Java 21 (or later) Test Driven Development (TDD) and Behaviour Driven Development (BDD) Large microservice architectures Agile environments and pair programming Implementing APIs for internal and external use Building automated test suites in CI/… have: Jackson, JAX-RS, Mockito ActiveMQ or Kafka MongoDB or other NoSQL/document databases Experience scaling high-traffic websites and handling large data sets Interested? Please apply below. Java Software Engineer, Java, Java 21, Microservices, TDD, BDD, Agile, APIs, CI/CD, Leeds, Government, Public Sector, Developer, Contract, Inside IR35 More ❯

Java Developer - 6-Month Contract | Liverpool | Inside IR35 Your new role We're looking for an experienced Java Developer to join a collaborative team on a 6-month contract, working on a range of backend services. This role offers a hybrid working model, with 2-3 days per week on-site in Liverpool, and is inside … IR35 (via umbrella company). Key Responsibilities: Develop and maintain scalable Java backend services using Spring Boot and Spring Framework Build and test RESTful APIs using Postman and Swagger Collaborate with DevOps teams to support CI/CD pipelines Manage cookies and session handling effectively Write and maintain unit tests using JUnit Work with POJOs and mock data for … testing and development Integrate front-end components using Thymeleaf and JSON What you'll need to succeed Essential Skills: Java (Core and Advanced) Government Digital Service standard Spring Boot & Spring Framework jQuery Thymeleaf RESTful API development and testing (Postman, Swagger) CI/CD pipelines and DevOps collaboration Cookies/session management Unit testing with JUnit Handling POJOs and mock More ❯

Java Developer 6 month contract Outside-IR35 Remote Working Market Rates The Opportunity: Our client is currently looking to bring on an experienced Java Developer to assist with the delivery of an enterprise scale, public sector project. You will work within a team to deliver a robust, feature rich solution that fits the client's requirements. … Skills and Experience: c5 years full stack development experience in Java, with Object-Oriented Development (OOD) skills A strong understanding of software engineering patterns and practices (server-less, micro services etc.) Experience of working as part of an agile team, working with Continuous Delivery pipelines, tools and techniques (GitLab, Jenkins, Docker etc.); and integrating automated testing into CI/ More ❯

Low Latency Java Developer eFX Algo IT Developer Join our dynamic eFX Algo IT team as a Java Developer, focusing on low-latency systems. This high-profile role involves developing pricing, hedging, and low-latency order and price distribution systems for the eFX desk. You will be part of a team that includes both Java and C# developers working on server-side and UI components. Required Skills & Qualifications: Proven experience in Java development, specifically in low-latency environments. Strong understanding of FX or similar low-latency trading systems. Experience in front office environments, preferably with exposure to algo trading. Familiarity with connectivity, market data, core pricing, and hedging strategies. Knowledge of Agile, SCRUM … ability to adapt to new technologies. Strong communication skills and the ability to work collaboratively across multiple teams Day-to-day of the role: Develop and maintain low-latency Java applications for pricing, hedging, market connectivity, and associated services. Collaborate with Business Analysts, Project Managers, and QA teams to estimate, plan, and execute development tasks. Engage in hands-on More ❯

Job Title: Senior Java Developer Role Summary: We are looking for a highly skilled Senior Java Developer to design, develop, and maintain enterprise-grade applications. The role involves working closely with architects, business analysts, and cross-functional teams to deliver scalable, secure, and high-performing solutions. Key Responsibilities: Design, develop, and implement robust Java-based … compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5–8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture 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 ❯

Early Careers Java Developer Our Tier 1 Investment Banking client is looking for a highly skilled Early Careers Java Developer to join their London based team for a 12 months initial contract with a view to hiring permanently. Skills Required: Ideally achieved 2:1 or higher in relevant degree Core Back end Java Skills An More ❯

Senior/Lead Java Developer £(Apply online only) per day Outside IR35 Fully Remote (Must be UK based) Initially 6 Months (Project scope for 12-24 Months) Start ASAP! Unify are proudly, exclusively representing a highly respected digital transformation partner, as they embark on another exciting, high profile program of works. We are looking for 2 Senior or … Lead Java Developers to join the team on a long term contract basis. ***The ideal Senior/Lead Java Developer will have proven experience of working on long term Government, defense or public sector projects, with a team playing, consultative approach, with excellent communications and customer facing skills*** We need: Strong experience in Java Development Experience More ❯

FDM is a global business and technology consultancy seeking a Java Developer to work for our client within the finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Farnborough. As a Java Developer, you will play a key role in designing, developing, and … maintaining robust applications using Java and associated frameworks. You will work closely with cross-functional teams including DevOps, QA, and Product to deliver high-quality software solutions that align with business objectives. You will be expected to bring a proactive approach to problem-solving, contribute to technical discussions, and uphold best practices in secure and scalable application development. This … ideal for professionals who thrive in agile settings and are eager to continuously learn and evolve with the latest technology trends. Responsibilities Design, develop, and maintain scalable applications using Java, Spring, and Spring Boot Develop and manage RESTful APIs for seamless system integrations Collaborate with DevOps teams to build and optimize CI/CD pipelines using Jenkins, Ansible, Sonar More ❯

Job Title: Java Developer (AWS) Location: Bournemouth, UK (On-site, 5 days per week) Type: Contract Role Overview We are seeking a highly skilled Java Developer with strong AWS cloud expertise to join our client's development team in Bournemouth. This role is fully on-site (5 days per week) and will focus on designing, developing … and deploying enterprise-grade applications that leverage both core Java technologies and AWS cloud services . The ideal candidate will be passionate about building scalable, secure, and high-performing solutions while working closely with cross-functional teams including architects, DevOps, QA, and product managers. Key Responsibilities Design, develop, and maintain Java-based applications in line with business requirements. More ❯

Contract Details Duration: 12 months Location: Leeds (60% office attendance required) Rate: £500-£600/day IR35 Status: Inside IR35 Clearance required: SC Clearance Java Developer - UK Government Digital Services (Contract) We're looking for an exceptional Java Developer to join a high-performing Agile team delivering one of the most ambitious digital transformation programmes in … and improve digital products and services across government platforms Develop robust APIs for internal and external use Contribute to large-scale micro service architectures Write clean, testable code using Java 21+, TDD, and BDD Collaborate through pair programming and Agile ceremonies Support continuous deployment with automated test suites Communicate technical concepts clearly to non-technical audiences Participate in 2nd … line support, including occasional out-of-hours coverage Stay engaged with the wider development community and share best practices Essential Skills & Experience Strong experience with Java 21 or later Solid understanding of TDD and BDD methodologies Proven track record in Agile environments Experience with micro services, API development, and Unix-like systems Ability to quickly learn new tools and More ❯

Java Developer - 12 month contract (inside IR35) - multiple offices across North England - Hybrid (3 days onsite) I have an urgent requirement for a number of Java Developers to join a Digital Transformation project, based from either Leeds/Manchester/Newcastle. Flexibility to work 3 days onsite is expected. Key responsibilities: Develop and maintain services with Java … and scale microservices and APIs Apply TDD/BDD and automated testing Work in Agile teams with pair programming Support applications (including occasional out-of-hours) Essential skills: Strong Java (21+) experience TDD/BDD and Agile background Large-scale microservices expertise API development and integration Unix/Linux knowledge Desirable skills: Jackson, JAX-RS, Mockito, Kafka or ActiveMQ More ❯

FDM is a global business and technology consultancy seeking a Java Software Developer to work for our client within the finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Glasgow. Our client is seeking a talented Java Developer with at least 5 years … scale distributed applications, preferably on Azure/Cloud. Responsibilities Collaborate with stakeholders to refine technical requirements and contribute to architectural decisions Design and implement distributed, event-based microservices using Java 8+, Spring Boot, and modern messaging protocols Develop scalable, secure APIs and services that handle high-throughput financial transactions Build and maintain automated CI/CD pipelines, infrastructure-as … a seamless deployment pipeline Work in an agile environment with regular sprint planning, reviews, retrospectives, and continuous delivery Requirements Minimum of 5 years’ experience developing enterprise-grade applications using Java 8 or above Expertise in Spring Boot and related Spring ecosystem frameworks Strong understanding of microservice architectures, design patterns, event-driven systems, and distributed computing Experience with messaging technologies More ❯

Senior Java Developer - £(Apply online only)pd inside IR35 - 12 month contract - Leeds (3 days per week onsite)** We are looking for several Java Developers to contribute to the most demanding and exciting new digital service for the UK Government. Day-to-day you will be an integral part of a team in designing, creating and improving … new and existing products, platforms and transactions across government. Key skills & experience: Recent experience with Java 17 (or later). Excellent understanding of TDD and BDD. Experience with large microservice architectures. Experience of working in an Agile environment. Be willing to work in a pair programming environment Have experience in implementing APIs for internal and external use. Have the More ❯

My client within Investment Banking is looking for a Java developer to join their team. The role will be working on development of systems and applications. Requirements 4-6 years of Java Development experience Java 11+ Spring, Springboot Experience working with microservices architecture Kafka or equivalent MQ Strong understanding of SDLC Contract: 6 Months Rolling Rate More ❯

Senior Java Developer - Credit, E-Trading, Algo sought by leading investment bank based in the city of London.**Inside IR35 - 4 days on site** The role: Project work also includes enhancements to the auto-quoting and algo framework for pricing, offering, and quoting. Will specifically focus on engagement, framework design and development of deliverables for Credit Cash electronic … design and progress. Must have: Hardworking, dedicated, detail oriented, focused on quality and a team player, with effective verbal and written communications. Extensive hands-on coding in server-side Java with strong emphasis on Java Concurrency, RX Streams, Caching (GridGain as Cache), Collections API, Messaging and Event processing across multiple streams Solid coding experience in multi-cast messaging … with relational DB (SQL Server, Sybase, Oracle) Solid technical design experience of low latency trading application services Dev Ops tools (Maven, Jenkins, Nexus, Helios) experience. Overall 7+ Years of Java dev Experience Minimum of 2 years' experience in Linux/UNIX/Shell scripting Banking Domain Experience (Capital Markets/Banking/CM Front Office/Risk) A strong More ❯

Job Description: We are seeking an experienced Java Developer proficient in enterprise Java, Spring Boot, microservices, Angular, and Linux. The successful candidate will contribute to designing, developing, and maintaining high-performance applications. Application Development: Design, develop, and maintain Java applications using Spring Boot. Microservices: Implement and manage microservices architecture. Front-End Integration: Develop front-end interfaces More ❯

We are looking for a strong Senior Digital Java Developer for a 12 month contract based in Leeds, UK £700 per day inside IR35 via an umbrella company 12 months, extendable Leeds (Hybrid; 60% onsite/40% remote) Essential Experience Required Must be SC Cleared OR eligible for SC Clearance Experience of leading or directing a team of … Java Developers. Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use. Taking part in 2nd-line support of applications and platforms and help build server-side web applications. Be able to communicate technical concepts to a non-technical audience. Maintain system administration and configuration management skills … Build a scale high-traffic websites and maintain an understanding of web architecture. Knowledge of unix-like operating systems such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯

We are looking for a strong Senior Digital Java Developer for a 12 month contract based in Leeds, UK £700 per day inside IR35 via an umbrella company 12 months, extendable Leeds (Hybrid; 60% onsite/40% remote) Essential Experience Required Must be SC Cleared OR eligible for SC Clearance Experience of leading or directing a team of … Java Developers. Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use. Taking part in 2nd-line support of applications and platforms and help build server-side web applications. Be able to communicate technical concepts to a non-technical audience. Maintain system administration and configuration management skills … Build a scale high-traffic websites and maintain an understanding of web architecture. Knowledge of unix-like operating systems such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯

We are looking for a strong Senior Digital Java Developer for a 12 month contract based in Leeds, UK £700 per day inside IR35 via an umbrella company 12 months, extendable Leeds (Hybrid; 60% onsite/40% remote) Essential Experience Required Must be SC Cleared OR eligible for SC Clearance Experience of leading or directing a team of … Java Developers. Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use. Taking part in 2nd-line support of applications and platforms and help build server-side web applications. Be able to communicate technical concepts to a non-technical audience. Maintain system administration and configuration management skills … Build a scale high-traffic websites and maintain an understanding of web architecture. Knowledge of unix-like operating systems such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯

We are looking for an outstanding Java Developer, who can make a positive impact, and wants to contribute to the most demanding and exciting new digital service for the UK Government. We are looking for the kind of person who is unconcerned with titles and hierarchy; what really excites the successful candidate is problem-solving and the opportunity … working from home IR35: in scope Pay Rate to Candidate: £600 - £700 DOE Security Clearance: BPSS - candidates must be eligible for SC Clearance Skills/experience: Recent experience with Java 21 (or later). Excellent understanding of TDD and BDD. Experience with large microservice architectures. Experience of working in an Agile environment. Be willing to work in a pair More ❯

We are looking for an outstanding Java Developer, who can make a positive impact, and wants to contribute to the most demanding and exciting new digital service for the UK Government. We are looking for the kind of person who is unconcerned with titles and hierarchy; what really excites the successful candidate is problem-solving and the opportunity … working from home IR35: in scope Pay Rate to Candidate: £600 - £700 DOE Security Clearance: BPSS - candidates must be eligible for SC Clearance Skills/experience: Recent experience with Java 21 (or later). Excellent understanding of TDD and BDD. Experience with large microservice architectures. Experience of working in an Agile environment. Be willing to work in a pair More ❯

I am currently working with a London-based financial services client who are actively seeking a Senior Java Developer to aid in the development of a business-critical application. What you'll need to succeed Extensive development experience with Java 17+ within financial services - mandatory. Expertise in distributed programming with distributed cache/data grids. Strong cloud More ❯

Computer Futures are looking for an exceptional Digital Java Developer Lead to join our public sector client, who manages some of the UK's most critical public services. This is a unique opportunity to lead the development of digital products that directly impact millions of lives. You'll be part of a major transformation programme, helping to modernise … may lead a team focused on: Developing agent or citizen-facing digital systems Building shared capabilities that support development, assurance, deployment, and operations. Essential Skills and Experience Software engineering (Java, microservices, Hexagonal architecture, MongoDB, Kafka) or cloud infrastructure & DevOps (AWS, Terraform, GitLab CI, Jenkins) Technical leadership , including team guidance, mentoring, and development Engineering best practices in secure design, version More ❯