Bartek has been responsible for quality in Netguru for four years and specializes in mobile app testing. His favorite testing tool is Charles Proxy, which he has mastered to the point where he says he cannot live without it. Apart from technical tasks, he also manages a small team within the company as a Team Leader. Before he switched to IT, he was an English teacher after graduating with a degree in English Philology from the University in Bialystok (Poland). He loves spending his free time playing or watching basketball, and recently he has been practicing air acrobatics.