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Joanna Krok began their career in 2011 as a Front-end Developer at Altinet. Joanna then moved on to work as a Front-end Developer at SUNSCRAPERS from 2012 to 2013. In 2014, they joined 21 Strun as a Front-end Developer, where they stayed until 2015. Currently, they are employed at ConnectPoint as a Front-end Developer, starting in September 2017.

Joanna Krok began their education at Akademia Pedagogiczna im. Komisji Edukacji Narodowej w Krakowie in 2005. Joanna completed their studies there in 2010, earning a degree of mgr inż. with a specialization in Edukacja techniczno-informatyczna. In 2010, Joanna enrolled at AGH University of Krakow and continued their education until 2011. Although the information provided does not specify if they obtained a degree during this period, their field of study was Grafika komputerowa (Computer Graphics).