1 to 25 of 41 DemandTrendContract Java Developer Jobs in the UK

Java Developer/Architect - Must have an Active DV Clearance We are looking for a Java Solution Developer/Architect to join a secure and collaborative Agile delivery team working on large-scale systems. What the Java Developer/Architect will be doing: Work closely with developers and subject matter experts to deliver Java … system and a new application in progress Contribute to design and architecture discussions Participate in Agile ceremonies such as sprint planning and retrospectives Provide maintenance and support for live Java applications What the Java Developer/Architect needs to bring: At least 3 years' experience in enterprise Java development Strong understanding of Java and RESTful … APIs Comfortable working on Windows-based platforms Experience with GIT and Azure DevOps Desirable for the Java Developer/Architect: Knowledge of Documentum or similar enterprise platforms If you are a Java Developer/Architect looking for a rewarding opportunity in a secure and structured environment, this role could be ideal for you. The Java 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 ❯

Lead Java Developer Hybrid (Travel to Newcastle 2 days per week) Contract Length: Minimum 6 months, potential extension up to 1 year Classification: £600 per day (Inside IR35) Role Overview: We are seeking a talented and experienced Lead Java Developer to join our team. This senior strategic role combines leadership skills with a robust Java development background. As a Lead Java Developer, you will guide a team of developers, drive strategic initiatives, and uphold best practises in software development. You will collaborate closely with stakeholders to ensure that technical solutions align with business objectives. Key Responsibilities: - Lead and mentor a team of developers, fostering a collaborative environment. - Drive technical strategy and provide … with stakeholders to ensure alignment on project goals and deliverables. - Maintain coding standards and best practises within the team to enhance code quality. Requirements: - Proven experience as a Lead Developer with a strong background in Java. - Excellent managerial and strategic thinking abilities. - Ability to communicate effectively with technical and non-technical stakeholders. If you meet these qualifications and are More ❯

Java Developer Contract Are you a passionate Java Developer with expertise in reactive programming frameworks like Vert.x and Spring WebFlux We're hiring for a leading global banking client based in London , working on cutting-edge digital transformation projects within their core banking platforms. Key Responsibilities Design and develop scalable, high-performance backend systems using Java … architectures. Contribute to system architecture decisions and ensure best practices in coding and testing. Participate in Agile ceremonies and support continuous integration and delivery pipelines. Essential Skills Strong core Java development experience. Hands-on expertise with Vert.x and Spring WebFlux . Solid understanding of reactive programming principles. Experience with RESTful APIs , microservices , and event-driven architectures . Familiarity with 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 ❯

Senior Java Developer. SKILLS NEEDED ARE - JAVA, MicroServices, API s, Agile, TDD/BDD & Pair Programming, 3 DAYS ONSITE LEEDS AND 2 DAYS REMOTE PER WEEK. £700/DAY INSIDE IR35 My Government client seeks a dynamic Java Developer with 8+ SOLID YEARS EXPERIENCE AS A MINIMUM WITH CORE KEY SKILLS BEING JAVA, MicroServices, API … s, Agile, TDD/BDD & Pair Programming, 3 DAYS ONSITE LEEDS AND 2 DAYS REMOTE PER WEEK. £700/DAY INSIDE IR35 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. Let's be clear about … they will be an integral part of that team in designing, creating and improving new and existing products, platforms and transactions across government. 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 ❯

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 ❯

Senior Java Developer (Government Digital Services) 6 month contract (initially) Remote Working (plus occasional travel to client-site in the North East) £475 to £500 per day (Outside-IR35) The Opportunity: You will be consulting on a high-profile discovery project focused on assessing and modernising three legacy digital services for a prominent public sector client. We are … looking for a Senior Java Developer with a growing focus on solution architecture, ideally someone who can stay hands-on with the code while also shaping strategy and long-term technical direction. The engagement will start with a technical discovery and assessment phase, focused on understanding the current state and recommending a future path to refactor and migrate … software engineering background with technical architecture experience, as well as having delivered projects into government departments, ideally operating across the GDS framework. The technology stack for this project is Java, Git, Jenkins and AWS. Skills and Experience: Proven background as a hands-on Software Engineer, with experience working with Government departments or GDS environments Strong Java engineering background More ❯

Senior Java Developer Job type: Contract - 12 months Rate: £700 Umbrella Location: Leeds (hybrid) x5 vacancies available 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. Let's be clear about the impact of … they will be an integral part of that team in designing, creating and improving new and existing products, platforms and transactions across government. 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 ❯

Algo Trading Java Developer** (Contract) Duration: 12 Months (Possibility for extension) Location: London/Bromley/Hybrid (3 days on site) Rate: A highly competitive Umbrella Day Rate or Salary is available for suitable candidates About Us The ETT team is at the forefront of developing innovative solutions for low touch, low latency trading. Our focus on FIX … market. With a strong presence across AMRS, EMEA, and APR, we maintain a global perspective while catering to the unique needs of each region. Your Role As a core Java developer, you will be instrumental in enhancing our algorithmic trading engines that support benchmark algorithms, smart order routing, and internal crossing for the EMEA and global electronic business. … groups to capture essential requirements. Engage in all stages of the development lifecycle, including requirements gathering, coding, unit testing, and supporting deployments. Essential Skills and Qualifications: Proficient in core Java APIs (collections, concurrency, NIO). Experience with multithreaded systems and Java garbage collection. Familiarity with design patterns (e.g., Observer, Factory, Singleton). Strong background in test-driven development More ❯

Senior Java Developer - 12 Months - Leeds - £700 per day Rate : £700 per day IR35 : Inside Duration : 12 months Location : Leeds/Hybrid The role: A leading Government Institution are seeking a Senior Java Developer, to work in an Agile, multidisciplinary team of Developers, Designers, and Analysts.This is an initial 12-month Contract, Inside IR35 and will … support SC Clearance. 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. experience in implementing APIs for internal and external use. Have the skills to build up a useful, robust automated test suite to support a continuous deployment environment. More ❯

Java Developer Join a highly skilled team at the heart of a global financial technology infrastructure! A leading investment bank in Glasgow is seeking a talented Java Software Engineer to contribute to a mission-critical Application Delivery and DNS/DHCP platform, used by thousands of internal customers across a global organisation. Paying up to £480 per … their Glasgow office (hybrid working). As part of an Agile squad, you'll work with modern CI/CD workflows to design and build high-performance tooling using Java and Python, enabling scalable, automated infrastructure delivery. This is a fantastic opportunity to work on projects involving Infrastructure as Code, ultra-low-latency systems, and cloud-like hosting services. … What You'll Do: Develop new features and tooling in Java and Python to support a global infrastructure platform Automate provisioning and control of infrastructure to enable on-demand environments Integrate with internal platforms and APIs to support customer onboarding Drive adoption and automation in collaboration with operations and infrastructure teams What We're Looking For: Required: Solid Java 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 ❯

Senior Java Developer - £600-700pd 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 skills 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 ❯

The Role Our client, a leading investment bank based in Birmingham are looking to hire a number of Java developers to join them. This will be to support building out their leading banking systems, Responsibilities 4-6 years of Java Development experience Java 11+ Spring Experience working with microservices architecture Kafka for messaging - to some extent or … and 5 days a week onsite. If you are interested please apply and if your profile meets our clients requirements we will reach out within 48 hours. Job Title: Java Developer Location: Birmingham, UK Job Type: Contract Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates 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 ❯

Role: Java Developer Duration: Till end of this year (Extendable) Location: Birmingham, UK (Onsite) Description: 4+ years of Java Development experience- Java 11+ Spring Experience working with microservices architecture Kafka for messaging - to some extent or equivalent MongoDB - to some extent or equivalent Strong understanding of SDLC Nice to haves: Gitlab - experience with others is generally More ❯

Your New Company and Role A forward-thinking public sector organisation is looking for an experienced Java Developer to join a collaborative, agile team working on the development and enhancement of key digital services. You'll be contributing to the greenfield development of a new digital service and enhancing existing platforms to improve user experience, accessibility, and operational … opportunity to work in a multi-functional team that values continuous improvement, collaboration, and technical excellence. What You'll Need to Succeed You'll bring strong commercial experience in Java development and a passion for building robust, user-centred digital services. Key skills and experience include: Essential Skills Java 17+ and Spring Boot microservices REST API development SQL 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 ❯

Our client , a leading investment bank, is seeking a highly skilled Java Developer to join their Electronic Trading Technology (ETT) team. This is a 12-month contract role, operating inside IR35 , with a hybrid working model based in South London . Key Responsibilities Deliver enhancements to algorithmic trading strategy engines Contribute to core framework-level development Collaborate directly … gather and refine requirements Participate across the full software development lifecycle: requirements gathering, coding, unit testing, code reviews, and second-line support Essential Skills & Experience Strong expertise in core Java APIs (collections, concurrency, NIO) Solid understanding of multithreaded systems , low-latency I/O , and Java garbage collection Familiarity with design patterns (Observer, Factory, Singleton) Proven experience in More ❯