Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes Understanding of all the agile ceremonies. Good understanding of JSON and XML Experience in Relational Database Management More ❯
Leamington Spa, Warwickshire, England, United Kingdom
Crimson
integration. Design and optimize relational databases (MySQL, PostgreSQL) for efficient data management. Resolve performance bottlenecks and enhance system scalability and reliability. Apply best practices in code quality, testing (JUnit, Mockito), and CI/CD pipelines. Collaborate with cross-functional teams to deliver cohesive, end-to-end solutions. Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP). Knowledgeable More ❯
Leamington Spa, Warwickshire, West Midlands, United Kingdom Hybrid / WFH Options
Crimson
integration. Design and optimize relational databases (MySQL, PostgreSQL) for efficient data management. Resolve performance bottlenecks and enhance system scalability and reliability. Apply best practices in code quality, testing (JUnit, Mockito), and CI/CD pipelines. Collaborate with cross-functional teams to deliver cohesive, end-to-end solutions. Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP). Knowledgeable More ❯
driven application development. Proficiency in building microservices, SaaS solutions, and API-first architectures to enable scalable, interoperable systems. Frameworks & Tools:Backend: Spring Boot (web, data, cloud, security), JUnit 5, Mockito, database integration. AI: LangChain, Retrieval-Augmented Generation (RAG), MCP servers (as consumer and developer), and prompt engineering for LLM optimization. Exposure to popular libraries and frameworks (Apache Commons, Guava, Swagger More ❯
compliance management Java - Extensive experience working with both large enterprise monolithic applications and modern cloud, micro service platforms Spring Boot, Spring MVC, JSP, Dropwizard, Maven, Gradle, Tomcat, Jetty, Junit, Mockito Microsoft SQL Server/Service Broker, TSQL, RDS Functional and Nonfunctional testing experience - ability to create and maintain complex automated testing suites for modern and legacy application DevOps capabilities Containers More ❯
Linux/Mac OS X) Responsive Web Design principles API development and CI/CD pipelines Ability to quickly learn new tools and techniques Desirable Skills Jackson, JAX-RS, Mockito Messaging platforms: ActiveMQ, Kafka MongoDB or other document databases Experience with high-traffic websites and large datasets Ideal Candidate Traits Flexible and adaptable to change Takes ownership and delivers with More ❯
Telford, Shropshire, England, United Kingdom Hybrid / WFH Options
FDM Group
team under the guidance of a Technical Lead. More senior grades - Proven leadership and coaching skills. Required Technical Skills: Java, Spring Boot, Junit Optional Technical Skills: JPA, Kibana, Maven, Mockito, AWS, GitLab, Helm, OpenAPI, SQL, Shell Scripting Working Environment: Hybrid working model with team days in the office as appropriate. Collaborative environment with opportunities to influence and improve processes. Agile More ❯
client, who are looking for multiple test engineers.Inside IR35£350 - 375 per dayWeekly travel to Leeds/Manchester/Newcastle6 month contract REQUIRED/NON-NEGOTIABLE: Selenium and Cucumber, Mockito, JAWS and/or Dragon, WCAG2.2 testing, experience with: Git, AWS stack (e.g. SQS, SNS, Lambda), Microservices, testing experience across both React-based front-end and Node JS-based backend More ❯
for multiple test engineers. Inside IR35 £(Apply online only) per day Weekly travel to Leeds/Manchester/Newcastle 6 month contract REQUIRED/NON-NEGOTIABLE: Selenium and Cucumber, Mockito, JAWS and/or Dragon, WCAG2.2 testing, experience with: Git, AWS stack (e.g. SQS, SNS, Lambda), Microservices, testing experience across both React-based front-end and Node JS-based backend More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Avanti
responsive UIs using Jetpack Compose and Material 3 Collaborate closely with backend and product teams to deliver seamless features Ensure reliability through unit, integration, and UI testing (JUnit, Espresso, Mockito, BrowserStack) Participate in code reviews and contribute to CI/CD pipelines Optimise app performance and user experience Stay up to date with the latest Android tools, frameworks, and industry More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Avanti
responsive UIs using Jetpack Compose and Material 3 Collaborate closely with backend and product teams to deliver seamless features Ensure reliability through unit, integration, and UI testing (JUnit, Espresso, Mockito, BrowserStack) Participate in code reviews and contribute to CI/CD pipelines Optimise app performance and user experience Stay up to date with the latest Android tools, frameworks, and industry More ❯
be expected to collaborate effectively with teams and stakeholders. 2.Technical Skills: oStrong hands-on experience with Kotlin and practical implementation of Jetpack components. oProficiency in writing unit tests using Mockito to ensure robust and reliable applications. oSolid understanding of Architectural Patterns, with a focus on Clean Architecture, which is frequently used in modern Android development. oExpertise in Dependency Injection frameworks. 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. More ❯