Sven is working with Java since 1996 in industrial projects. He was working over 15 years as a consultant worldwide in industries like Automotive, Space, Insurance, Banking, UN and WorldBank. During the last years before he joined Vaadin 2017, he was Head of R&D at a reply company. Since he is Developer Advocate at Vaadin, Sven is working on Mutation Testing of Web apps and Distributed UnitTesting besides his evergreen topic Core Java.