1 to 25 of 101 Contract Java Jobs in the UK excluding London

We're hiring a Senior Developer to support major NHS and healthcare digital projects. This role combines strong Vue.js front-end skills with Java-based API and microservices development. Role Responsibilities: Develop front-end features using Vue.js for NHS/healthcare applications Build and maintain RESTful APIs and microservices (Java, Spring Boot) Integrate with NHS systems or medical applications Deliver … secure, scalable solutions aligned with NHS standards Work with cloud, CI/CD pipelines, Docker, and Kubernetes Required Experience: Strong commercial experience with Vue.js 5+ years Java (Java 11+, Spring Boot/Spring Cloud) API and microservices expertise Experience integrating with NHS or healthcare systems Docker, Kubernetes, CI/CD (Jenkins/GitLab/Azure DevOps) Cloud exposure (AWS/ More ❯

Java Developer - Inside IR35 (2 Days On-site, Telford) Contract | Central Government Project | Hybrid Working Must be able to obtain SC We're seeking an experienced Java Developer to join a high-performing delivery team within a large-scale central government modernisation programme . You'll work as part of an Agile Scrum team made up of Java Engineers, Front … cloud-based services. Location: Telford (2 days on-site per week) Contract: Inside IR35 Sector: Central Government/Public Sector Duration: Ongoing contract Key Responsibilities Develop, enhance, and maintain Java-based microservices and APIs Build and test RESTful APIs using Spring Boot and JUnit Apply Kubernetes for containerisation and deployment Collaborate within Agile Scrum teams to deliver high-quality software … solutions Write clean, maintainable code following best practices in secure development Support continuous integration, testing, and deployment activities Essential Skills & Experience Strong hands-on experience with Java and Spring Boot Solid understanding of REST API development and JSON Proficiency in JUnit for unit testing Experience deploying microservices using Kubernetes Proven background working in complex technical environments , ideally from regulated sectors More ❯

either AWS, Azure OR GCP Cloud Good knowledge in GCP Storage Buckets, BigQuery, Dataflow and Cloud Functions (any Cloud). Hands-on experience with one or more programming languages (Java/JavaScript). Experience with non-functional testing using JMeter or similar tools. Proven experience creating best practices and policies to improve quality at program level. Strong technical skills and More ❯

Linux administration and shell scripting skills. Familiarity with network security protocols . Experience deploying and maintaining systems on AWS (EC2, RDS, S3, Lambda). Desirable Skills Programming experience in Java, Go, or Python . Understanding of cross-domain technologies and security models. Background in service management environments and ITIL practices. Proven application of observability patterns and system health metrics. Experience More ❯

Linux, network security, SQL, and AWS (EC2, S3, RDS, Lambda) Comfortable with MQ messaging (RabbitMQ or similar) Bonus points for: Experience with Azure environments Strong coding ability in Python, Java, or Go Knowledge of cross-domain systems or service management frameworks Proven application of observability and uptime metrics to reduce downtime The Offer: Contract position outside IR35 £500–£600 per More ❯

About the Role We are looking for an experienced Senior Java Developer with strong expertise in building modern APIs and microservices, ideally with hands-on experience integrating with NHS Digital platforms such as NHS Spine, FHIR APIs, or other healthcare interoperability services. You will play a key role in designing scalable, secure, high-performance services that power mission-critical applications … within the healthcare technology landscape. Key Responsibilities * Design, develop, and maintain RESTful APIs and microservices using Java and Spring Boot . * Implement scalable, secure, and highly available solutions for enterprise and healthcare applications. * Integrate backend services with NHS Digital systems , including FHIR resources, HL7 messaging, NHS Spine services, and other interoperability standards. * Collaborate closely with architects, product owners, and cross … code reviews, support engineering excellence, and mentor junior developers. * Ensure compliance with security standards , data protection regulations, and NHS Information Governance requirements. Required Skills & Experience * 5+ years of professional Java development experience (Java 11+). * Strong expertise with Spring Boot , Spring Cloud, and distributed microservices. * Proven experience designing and building RESTful APIs. * Experience working with NHS Digital services , healthcare APIs More ❯

of SQL and relational databases Linux administration and shell scripting Familiarity with network security protocols Experience with cloud platforms, ideally AWS (EC2, RDS, S3, Lambda) Desirable: Coding experience in Java, Go, Python or similar Knowledge of cross-domain technologies Experience in service management environments Practical application of observability patterns Experience with Azure Additional Information: Due to the nature of the More ❯

Java Engineer | (Edinburgh) On site! | £550-£650 (Inside IR35) | 6 months initially (likely extension) | (Java, Spring Boot, Azure) We're looking for a Java Engineer, that has previous experience working with Azure for a range of exciting projects. Rate: £550-£650 (Inside IR35) Length: 6-month initial contract, strong likelihood of extension Location: Scotland (fully on site) Key Skills & Experience … Strong core Java development background Experience with Spring Boot Exposure to Azure App Services Proficiency with CI/CD pipelines (Jenkins preferred) Terraform experience desirable Must have valid Right to Work in the UK (no sponsorship available) You'll be joining a well established organisation, working on a range of internal systems and services. If this sounds like you, apply … now for more details! Java Engineer | (Edinburgh) On site! | £550-£650 (Inside IR35) | 6 months initially (likely extension) | (Java, Spring Boot, Azure) Oscar Associates (UK) Limited is acting as an Employment Business in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. More ❯

and Confluent ecosystem (Connect, Schema Registry, KSQL, etc.). Hands-on experience with Kafka security, monitoring, and disaster recovery. Prior experience in banking or financial services environments. Proficiency in Java, Python, or similar for Kafka client development. Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker/Kubernetes). All profiles will be reviewed against the required skills More ❯

on AWS, with potential migration to Azure Monitoring: Kibana, Grafana, Splunk, PagerDuty (transitioning to Dynatrace) CI/CD: GitLab pipelines Databases: Oracle RDS, SQL, MongoDB (limited use) Languages & Frameworks: Java 21, Spring Boot/Spring Batch Testing & Automation: Playwright, WireMock, OWASP ZAP (SAST, DAST, SCA), Gatling Key Responsibilities Define and implement QA principles within the workstream, aligned with programme strategy More ❯

line support for a portfolio of client systems. Take part in a 24/7 on-call rota supporting critical national systems. Required Skills & Experience Strong working knowledge of Java programming . Proficiency with Linux operating systems . Solid understanding of DevOps principles and agile delivery. Excellent problem-solving skills and a proactive, team-oriented approach. Confident client-facing communication More ❯

Java Developer Hybrid (Belfast) | 6-Month Contract | Inside IR35 Our client, a leading organisation within the financial services sector, is seeking an experienced Java Developer to join their Belfast-based technology team on an initial 6-month contract (Inside IR35). This is an excellent opportunity to work on high-performance, data-driven applications within a fast-paced enterprise environment. … The successful candidate will play a key role in developing and optimising complex batch processing and integration systems using Java 17, Spring Batch, Spring Integration, and GridGain Database. Key Responsibilities Design, develop, and maintain scalable Java 17 applications for enterprise data processing. Build and optimise batch processing solutions using Spring Batch. Design and implement integration flows with Spring Integration. Develop … deployment and operational tasks in Unix/Linux environments. Collaborate with cross-functional technical and business teams to deliver high-quality, reliable solutions. Skills & Experience Required Strong proficiency in Java 17, including modern Java features and best practices. Proven experience with Spring Batch and Spring Integration. Solid understanding of Unix/Linux scripting and SQL. Hands-on experience with GridGain More ❯

Role Title: Senior Java Engineer Duration: 6 Months Location: Telford (2 days per week) Rate: £470 Per Day - Umbrella only Would you like to join a global leader in consulting, technology services and digital transformation? Our client is at the forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital and platforms. Role … purpose/summary As a Senior Java Engineer, you will lead remediation and modernisation of Java applications within the 'Ingres-only' pathway. Your work ensures secure, supportable solutions that decouple data from Ingres to relational platforms (e.g. Oracle/SQL Server), reducing operational risk and enabling future scalability. Key Responsibilities * Technical Leadership: o Own design and implementation of Java remediation … patterns for legacy services. o Guide engineering best practices across squads, including code quality, security, and performance. * Migration & Modernisation: o Identify and establish novel and accelerated Java application remediation and/or modernisation approaches (AI-led etc.) o Refactor Java applications to remove Ingres dependencies. o Implement secure data access layers targeting Oracle/SQL Server. * Collaboration: o Work closely More ❯

on API testing. Role - QA Lead Duration - 6 months with very likely extension Rate - Negotiable Location - Hybrid/Hampshire - 3 days per week in the office Skills - Experience with Java, Junit, Cucumber, Gherkin, Gatling, Xray, Selenium Webdriver, TestNG, Pact Testing, API Testing Frameworks. AWS expertise preferred. Hoppscotch or Postman experience testing APIs Experience identifying test cases using boundary valuation analysis More ❯

Docker. Lead on testing standards and act as a point of escalation or stand-in for the Lead Engineer. Essential: Strong experience in test automation engineering using Playwright, TypeScript, Java and Docker. Excellent understanding of automation frameworks, CI/CD practices and quality assurance processes. Ability to mentor and guide other engineers; comfortable stepping up to lead when required. Active More ❯

RabbitMQ)Solid understanding of SQL and relational databasesLinux administration and shell scriptingFamiliarity with network security protocolsExperience with cloud platforms, ideally AWS (EC2, RDS, S3, Lambda)Desirable:Coding experience in Java, Go, Python or similarKnowledge of cross-domain technologiesExperience in service management environmentsPractical application of observability patternsExperience with AzureAdditional Information:Due to the nature of the work, successful candidates will be More ❯

Required Skills MSc/PhD degree in Artificial Intelligence, Computer Science/Engineering, Electrical Engineering, Mathematics, or a related discipline. Professional software development experience with Python (experience with C++, Java, or Kotlin is a plus). Deep understanding of machine learning and deep learning fundamentals, including various architectures, training techniques, and evaluation metrics. Strong experience in audio/speech processing More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. More ❯

equivalent experience. 5+ years of hands-on experience in CRM development and Salesforce administration. Strong grounding in OOP, Git, Jira, software design patterns, and OpenAPI. Solid knowledge of JavaScript, Java/.NET, React, HTML, and CSS. Experience with data modelling, DevOps, and CI/CD. Salesforce certifications are a strong asset. A proactive, collaborative mindset and a drive to learn. More ❯

About Us: At Dabster , we specialize in connecting top engineering and technology talent with leading global companies. We are currently seeking an experienced Java Fullstack Engineer to join our client's team in Leeds, UK . Our mission is to be the foremost recruitment partner for organizations driving innovation across industries such as engineering, digital, and cloud technologies. Who Will … as part of a high-performing Agile development team focused on building a credit decisioning engine powered by scalable microservices and cloud-native solutions. About the Role: As a Java Fullstack Engineer , you will play a pivotal role in designing, developing, and deploying high-performance backend microservices while contributing to front-end feature enhancements. You will be responsible for implementing … Java 17-based applications , setting up DevOps pipelines on GCP , and collaborating closely with architects and product owners to deliver reliable, production-grade systems. This is a 6-month contract role based in Leeds, UK , with a strong possibility of extension . Key Responsibilities: Design, develop, and deploy scalable backend microservices using Java 17 and Spring Boot . Configure and More ❯

JavaDeveloperInvestmentBankingClient Location: Glasgow(Hybrid,3daysperweekon-site) Contract: 6-MonthInitialContract(InsideIR35) Overview: Ourleadinginvestmentbankingclientisseekinganexperienced JavaDeveloper tojointheirhigh-performingengineeringteaminGlasgow.Thisisafantasticopportunitytoworkwithinaglobalfinancialenvironment,contributingtothedesign,development,andoptimisationofcomplex,high-volumesystemsthatunderpintradingandriskoperations. Youllcollaboratewithglobalteamstodeliverscalable,reliable,andsecuresoftwaresolutionswhileensuringalignmentwitharchitecturalandregulatorystandards. KeyResponsibilities: Design,develop,andmaintainrobustJava-basedapplicationsusedacrosstradingandriskmanagementplatforms. Workwithcross-functionalteamstodeliverefficient,maintainable,andwell-testedcode. Optimiseapplicationperformanceandensureadherencetosecurityandcompliancerequirements. Participateincodereviews,architecturediscussions,andcontinuousimprovementinitiatives. Supportintegrationwithdatabases,APIs,andinternalsystems. More ❯

Azure experience is also very relevant. Proven track record building CI/CD pipelines and infrastructure-as-code. Experience developing and supporting production-grade applications in languages such as Java, Python or C#. Technical leadership in a specialist domain (e.g., containers, data platforms, cloud networking). Experience working in regulated environments with a focus on security and compliance. If this More ❯

demos Required: Android app development (Android Studio/Gradle) Experience using the Android Camera/camera2/CameraX API Strong understanding of Android app architecture, particularly the activity lifecycle Java Python/Flask Interest in AI & ML Edge Processing Desirable: Interfacing Android apps with Bluetooth and USB peripherals Experience integrating 3rd party SDKs into Android apps JavaScript/VueJS/ More ❯

Champion best practices in solution design, quality assurance, and delivery. Provide technical guidance and oversight across development teams. Contribute to hands-on solution definition using modern technologies such as Java, C#, or JavaScript . Operate within agile frameworks (Scrum, SAFe) to ensure iterative, value-driven delivery. Apply experience with SharePoint or Electronic Document Management Systems (EDMS) to support secure integration More ❯

You will need: Scala/Play development skills Experience of agile development techniques, test driven development (TDD) and paired programming, etc. Experience building scalable, distributed web applications in Scala (Java with Scala experience gained in personal projects may be considered) Experience of working with Microservices Experience with REST and asynchronous event driven programming Demonstrable experience in using automated testing solutions More ❯