Описание:SII Group Spain provides digital, IT, and engineering services and solutions to industries across the world. It combines IT and software development expertise with manufacturing, systems, mechanical and electrical engineering, and embedded systems capabilities to support digital transformation and innovation.Задачи:Participate in the gradual migration of applications from Java 8 to Java 25Develop, fix, and refactor code to ensure compatibility with newer JVM versionsIdentify and resolve incompatibilities caused by changes to the Java language and platformEnsure temporary coexistence between Java 8 components and newer versionsDesign and maintain the monorepository build architecture using Maven and GradleManage cross-cutting dependencies and compilation scopes,



and optimize build processes and pipelinesLead the technical migration from Tomcat 8 to Tomcat 9 and Tomcat 10Collaborate with Platform teams to align infrastructure and runtime environmentsSupport the transition to Jakarta EE and resolve related incompatibilitiesDefine the validation and regression testing strategy with QAParticipate in test automation and resolve issues during testing campaignsТребования:Extensive experience as a Java developer and on technology migration projectsAdvanced knowledge of Java 8, 17, 21, and 25Strong experience with Maven, Gradle, and Spring BootExcellent understanding of JVM internals and compatibility issues between versionsExperience with multi-module architectures and complex monorepositoriesExtensive experience with Tomcat, especially migrations between versions 8, 9, and 10Experience working in CI/CD environmentsAnalytical skills, autonomy, and ability to coordinate across technical teamsУсловия:Indefinite-term contract Geographic mobility opportunities and participation in large-scale international projects

📌 Java Developer (Barcelona)
🏢 Sii Group Spain
📍 Barcelona