1 to 25 of 155 Contract Java Jobs in the UK

opportunity has arisen for a Java Developer to join a specialist cyber technology and software assurance company supporting UK Defence and Critical National Infrastructure programmes. As a Java Developer , you will develop and enhance secure Java applications, backend services and system integrations within a restricted environment. This … month contract based role offering a salary range of £600 - £650 per day and benefits. You will be responsible for: Developing and enhancing Java-based backend services. Designing and implementing secure, scalable applications. Building and integrating RESTful APIs. Working with microservices architectures. Collaborating with engineers, architects and relevant stakeholders. Work ...

Description We are seeking an experienced Senior Java Developer to join our development team in a 100% hands-on software development role . The successful candidate will be responsible for designing, developing, enhancing, and delivering robust, scalable, secure, and high-performance Java applications and microservices. The role requires strong expertise … Java, Spring Boot, RESTful APIs, SOAP web services, microservices architecture, Test-Driven Development (TDD), Behaviour-Driven Development (BDD), CI/CD, databases, containerisation, and cloud technologies . This is a development-focused position , with the successful candidate expected to spend their time designing solutions, writing production-quality code, developing APIs ...

Title: Java Developer Rate: £475 - £525 per day inside ir35 Location: Remote Contract: 6 months rolling SC Cleared We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work … across Java, Spring Boot, REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java and Spring Boot is essential, alongside solid SQL/database knowledge and experience working with Git, Maven or Gradle. Exposure ...

Title: Java Developer Rate: £525 per day inside ir35 Location: Remote Contract: 6 months rolling We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring … REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java and Spring Boot is essential, alongside solid SQL/database knowledge and experience working with Git, Maven or Gradle. Exposure to AWS/Azure/ ...

Description We are seeking an experienced Java Full Stack Developer with strong expertise in building scalable enterprise applications using modern Java technologies, cloud-native architectures, and microservices. The ideal candidate will have hands-on experience with Kafka, Kubernetes, API Security, Observability tools, SQL databases, and Spring-based microservices development . … Responsibilities Design, develop, and maintain scalable Java-based applications using Java 17+, Spring Boot, and Microservices architecture. Develop and consume RESTful APIs while implementing robust authentication and authorization mechanisms. Build event-driven solutions using Apache Kafka for real-time data processing and messaging. Deploy, manage, and troubleshoot applications on Kubernetes ...

Continuous Improvement Framework Architecture: Design, build, and maintain scalable, reusable automation frameworks for UI, API, and backend data flows using modern languages (TypeScript, Python, Java, or C#). Data & ETL Testing: Oversee end-to-end data testing strategies across complex, large-scale data environments, validating data transformations, schema integrity ...

/'25 or later. Pega Constellation experience. Pega DX API experience. Pega GenAI Blueprint experience. Experience delivering applications on Pega Cloud. Knowledge of Java, JavaScript, SQL and related web technologies. Experience with automated testing and Pega testing capabilities. Cloud platform experience, including AWS or Azure. Application modernisation and legacy migration ...

Days Onsite must - (Bournemouth). Rate: 300 GBP/Day (Inside IR-35). No Sponsorship provided. We are seeking an experienced WebMethods + Java Full Stack Developer with AWS expertise to design, develop, and maintain enterprise integration solutions and cloud-native applications. The ideal candidate should possess strong hands … experience in WebMethods Integration Server, Flow Services, File Processing, Java Full Stack development, Microservices Architecture, AWS Cloud Services, and Database Performance Tuning. Candidates with strong WebMethods integration experience along with Java Full Stack skills will be preferred. Key Responsibilities Design, develop, and support enterprise integration solutions using WebMethods Integration Server ...

Lead Java Software Engineer (Java/Spring Boot/Kafka/Kubernetes) 6 months (initially) Remote-working (UK-based) Market Rates (£550 to £575 per day) Outside IR35 The Opportunity: ISR Recruitment is currently supporting a leading consultancy client seeking an experienced Lead Java Engineer to design, build and deliver … will take high-level or lightweight requirements, clarify what is required, translate them into technical specifications and implement production-ready backend solutions using Java, Spring Boot, REST APIs and event-driven architecture. Strong object-oriented engineering is central to the role as you will be expected to demonstrate excellent understanding ...

traded commodity products. Experience with commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank ...

Senior Java Developer Location: UK Remote/Hybrid Contract: Long-Term Contract Rate: Competitive Client: Leading Enterprise Technology Programme The Role We are looking for an experienced Java Developer to join a high-profile agile development team delivering modern cloud-native applications within a large-scale enterprise environment. You will … platforms, working across the full software development lifecycle within a collaborative Agile team. This is an excellent opportunity to work with modern technologies including Java, Spring Boot, Kafka, MongoDB, AWS and Kubernetes while contributing to mission-critical applications. Essential Skills Strong commercial experience with Java Extensive experience with Spring Boot ...

cutting-edge technologies on projects where reliability, innovation and security are paramount. What You'll Bring Strong software engineering experience using languages such as Java, Python or C# Hands-on experience with modern DevOps tooling, including CI/CD platforms such as Jenkins or GitLab Experience working with cloud platforms ...

Experience working in Agile delivery teams. Desirable Experience Government or GDS project experience. AWS certification. Automated testing environments using Selenium or Cucumber. Experience supporting Java-based applications. If you are an SC-cleared AWS DevOps Engineer who enjoys building secure, automated cloud platforms, apply now with an up to date ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure, AWS, and GCP with strong knowledge ...

collaboration skills. A genuine interest in learning new technologies and developing technical skills. Desirable Skills: Experience with Docker and Kubernetes . Knowledge of Java or another backend programming language. Experience with gRPC or GraphQL . Experience working with cloud technologies. Contributions to open-source projects. Why Apply? This ...

ownership-from refining specs and coding to testing, safe releases, and live production monitoring. Essential Proven experience engineering high-scale production systems, primarily using Java and Spring Boot. Hands-on experience developing microservices deployed via Kubernetes and AWS environments. Strong working knowledge of event-streaming tools like Apache Kafka ...

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

Senior Java Developer (SC Cleared) | Public Sector | Contract We're hiring experienced SC Cleared Java Developers to join a major public sector programme delivering secure, cloud-native digital services. This is an opportunity to work on large-scale systems using modern Java technologies, microservices architecture and AWS cloud services within … highly collaborative Agile environment. Essential Skills Java Spring Boot REST APIs Microservices AWS EC2 Lambda CloudWatch Networking Awareness TDD (Test Driven Development) SQL Databases NoSQL Databases MongoDB PostgreSQL Nice to Have Node.js JavaScript/TypeScript Azure BDD Playwright Experience Required Strong commercial Java development experience Building scalable Microservices and RESTful ...

Senior Java Developer Location: Telford (2 days per week onsite/2 days per month depending on project requirements) Rate: £550 per day Contract Length: 12 Months Clearance: BPSS Required Overview We are seeking experienced Senior Java Developers to join the COTAX Futures Team within Tax Administration, supporting a major … programme focused on the modernisation of HMRC legacy services. You will work within agile Scrum teams alongside Java Engineers, Front End Developers and Quality Engineers to deliver scalable, cloud-native solutions and modern microservices architecture. This is an excellent opportunity to contribute to a large-scale digital transformation programme operating ...

Senior Backend Engineer (Java) Location: Manchester, UK (Hybrid - 2 days/week on-site) Role Type: Contract About the Role We are seeking a Senior Backend Engineer to design, build, and scale resilient, high-performance distributed systems. This role is ideal for a pragmatic developer who thrives in fast-paced … best practices. System Operations & Reliability: Troubleshoot complex production issues, conduct root-cause analysis, and enhance observability, logging, and performance. Delivery & Quality: Write clean, testable Java code, conduct constructive code reviews, and drive automated testing (unit, integration, and E2E). DevOps & Collaboration: Partner with infrastructure teams to optimize CI/ ...

testing best practices and continuous improvement. Essential Skills Software Testing/Quality Engineering experience CI/CD pipeline experience GitLab (or strong Git knowledge) Java & Spring Test automation framework experience Strong stakeholder engagement and communication skills Agile Scrum experience Quality-driven mindset Desirable Skills Playwright, JUnit, Selenium, Cucumber/Gherkin ...

Spencer Rose is urgently seeking a Lead Java Developer to work on an exciting transformation programme for our Tier1 banking client working on modern, cloud-native applications and microservices. Based in Edinburgh. Start: ASAP Duration: 6-12 months (with possible extensions) Rate: £400-420pd all inclusive Location: Edinburgh - hybrid … days a week in the office Key skills: Strong Java (8/11/17+) development experience with enterprise applications Spring Boot, REST APIs, JPA/Hibernate and microservices architecture React.js, JavaScript & TypeScript with modern Front End development practices Docker & Kubernetes and CI/CD using Jenkins, Git/GitHub ...

Java Engineer Rate: £600.00 - £620.00 per day (Inside IR35) Duration: 6 Months Location: Telford (Minimum 2 days per week onsite) Clearance Required: BPSS (SC Eligible) The Opportunity We're looking for a skilled Java Engineer to join a major digital transformation programme focused on modernising legacy services and delivering improved … large-scale technology environment. Working as part of an Agile Scrum team, you'll contribute to the design, development, and enhancement of modern Java-based applications, helping to drive the transformation of critical business systems. Key Responsibilities Develop and maintain Java applications using modern engineering practices. Design and build scalable ...

Quality Engineer, Automation Test Engineer or SDET . Strong software testing and automation experience. CI/CD experience. Git/GitLab . Java/Spring . TDD/BDD understanding. Strong test analysis, test design and risk-based testing skills. Experience across multiple test levels. Database and test data experience. ...

team. Improving the performance, resilience and maintainability of existing platforms. Key Skills 5+ years of commercial software engineering experience. Strong backend development experience in Java + Spring environments. Experience working with Python and/or the Microsoft technology ecosystem. Strong understanding of distributed systems and scalable application design. Experience designing ...