Jeroen Rosenberg is an Amsterdam based pragmatic software engineer and consultant focused on building resilient software at Xebia. With a strong background in Kotlin, Java & Scala development and Fast Data Architectures he helps teams deliver great products by using practices, techniques and tools from Lean, Agile, DevOps and Continuous Delivery. Besides his daily work, he founded the Amsterdam.scala meetup group, still co-hosts and instructs Kotlin, Scala & Akka training courses. When not coding or writing you can find him eating nachos at the beach with the love of his life. He’s a proud father of three kids and uses them as an excuse to be able to play with Lego again.