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Yana Kozak has worked as a QA Engineer at Blackthorn Vision since August 2021. Prior to that, they were also a QA Engineer at SoftServe from March 2021 to August 2021.

Yana Kozak obtained a Bachelor's degree in Computer Science from Lviv Polytechnic National University, completing their studies from 2017 to 2021. Additionally, they obtained the certification of ISTQB® Certified Tester - Foundation Level from iSQI in September 2022.