Erdem Günay received the B.Sc. degree in computer engineering from the Middle East Technical University, in 1999. He participated in various software development projects from 1999 until 2001 in Ankara. Then he moved to Amsterdam where he implemented schema based generic data migration and code generation applications in Java. Since 2005, he has been working for Turkcell, the leading mobile telecom operator in Turkey with 35 million subscribers and the second biggest in Europe with 70 million subscribers in total. He has 15 years development experience in Java and 10 years in Spring framework. He started and contributed an open source project http://www.gwt-openlayers.org/. Recently, beside his development activites, he gives mobile BaaS seminars and Apache Usergrid lessons at universities. He also gives advanced Spring framework courses internally for Turkcell development teams organised by Turkcell Academy. Presented his projects at Java One 2013 and Spring One 2014.