Project Details: We are currently looking for a Java developer for consulting and support in the migration of outdated JSF frameworks of a JEE application to Primefaces. Responsabilities: Analysis, conception and implementation of the migration of the JSF part of a JEE application from MyFaces Tomahawk (around 250 xhtmls) and RichFaces (around 80 xhtmls) to Primefaces while retaining the functionality of the masks. Professional / technical exchange with the customer's development team, especially in the further development of already migrated masks and in testing the masks with Fitnesse. Proposed solutions must also be agreed with the development team, especially if certain functionalities cannot be migrated 1:1 from Tomahawk or Richfaces to Primefaces. Know-how transfer at the end of the project / coaching of the development team. Your Profile & Required Skills: Language: German and English oral and written fluency. Development with the Java 17 programming language or higher. Experience in development with JSF, PrimeFaces, custom tags, JSTL, JavaScript. Experience in working with IntelliJ. Experience in development with Git version management. Experience in migrating from MyFaces Tomahawk to PrimeFaces. Experience in migrating from Richfaces to PrimeFaces. Experience with JEE applications.