Jean has been a professional developer for over ten years. He currently works as a freelance Scala developer in Lyon where he is involved in multiple Scala, Play! and Akka projects. Jean is a passionate programmer who loves sharing, about Scala but also application design, code quality and all software engineering topics. In the spirit of sharing his passion, he created and co-organizes the Lyon Scala User Group, helps organize a yearly Scala community conference in France and regularly facilitates workshops around Scala and/or software engineering either at user groups or at conferences.