Matjaž Petrovič

Mike Wojtyna

Quality-Oriented Java Developer, Consultant & Trainer

Mike is a Java software developer with a passion for creating great products. Domain-driven design & Test-driven development are some of his favorite tools. His…

Paweł Marks

Scala Compiler Engineer at Virtuslab

Paweł Marks is Scala Compiler Engineer at Virtuslab, Kraków. He is also the main maintainer of Eclipse Kotlin Plugin and co-organizer of Kraków Kotlin User…

Olga Mierzwa-Sulima

Senior Data Scientist at Appsilon Data Science / datahero.tech

Olga is a senior data scientist at Appsilon Data Science and a co-founder of datahero.tech. She leads a team of data scientists and build data…

Tomasz Lichoń

Big Data Engineer at VirtusLab

Tomasz Lichoń is big data engineer and team leader at VirtusLab, in where he’s involved in building data lake and data processing pipelines using Hadoop…