Oleh Dokuka is a Java Software Engineer and Consultant, focused on distributed systems development adopting ReactiveManifesto and ReactiveProgramming techniques. He is an Opensource geek, and an active contributor of ProjectReactor. Along with that, Oleh is a public speaker and the author of the book “Reactive Programming is Spring 5.0” (https://www.packtpub.com/application-development/reactive-programming-spring-50)