About the Authors

Petar Zečević has been working in the software industry for more than 15 years. He started as a Java developer and has since worked on many projects as a full-stack developer, consultant, analyst, and team leader. He currently occupies the role of CTO for SV Group, a Croatian software company working for large Croatian banks, government institutions, and private companies. Petar organizes monthly Apache Spark Zagreb meetups, regularly speaks at conferences, and has several Apache Spark projects behind him.

Marko Bonači has worked with Java for 13 years. He works for Sematext as a Spark developer and consultant. Before that, he was team lead for SV Group’s IBM Enterprise Content Management team.

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