About the Reviewer

Dennis Vriend is a professional with more than 10 years of experience in programming for the Java Virtual Machine. Over the last 4 years, Dennis has been developing and designing fault tolerant, scalable, distributed, and highly performant systems using Scala, Akka, and Spark, and maintaining them across multiple servers. Dennis is active in the open source community and maintains two very successful Akka plugins—the akka-persistence-jdbc plugin and the akka-persistence-inmemory plugin—both useful to design and test state of the art business components leveraging domain-driven design and event sourcing in a distributed environment. Dennis is currently working as a software development engineer for Trivento in the Netherlands.