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Andres Sacco is a Technical Leader at TravelX and he has experience with many different languages, like Java, PHP, and NodeJs. In his previous job, Andres helped find alternative ways to optimize data transfer between microservices, which reduced the infrastructure cost by 55%. Before introducing these optimizations, he investigated different testing methods for better coverage than the unit tests of the microservices. He also dictated internal courses about new technologies and he has written articles on Medium. Andres is a co-author of the book Beginning Scala 3, from Apress.