Rafal LeszkoRafal Leszko is a passionate software developer, trainer, and conference speaker living in Krakow, Poland. He has spent his career writing code, designing architecture, and tech leading in a number of companies and organizations such as Google, CERN,and AGH University. Always open to new challenges, he has given talks and conducted workshops at more than a few international conferences such as Devoxx and Voxxed Days. Read More Read Less
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