Tomasz Lelek
Tomasz Lelek is a software engineer, programming mostly in Java and Scala. He has been working with the Spark and ML APIs for the past 6 years, with production experience in processing petabytes of data. He is passionate about nearly everything associated with software development and believes that we should always try to consider different solutions and approaches before attempting to solve a problem. Recently, he was also a speaker at conferences in Poland—Confitura, and JDD (Java Developers Day) and at Krakow Scala User Group. He has also conducted a live coding session at the Geecon Conference.