Bartosz Kalina is an experienced software developer and team leader at Empik Group since October 2017, where involvement includes the development of one of Poland's largest e-commerce platforms and back-office applications, notably working on a microservice for voucher sales. Prior experience includes a role at Pentegy from August 2014 to September 2017, where Bartosz contributed to the creation of a web application for electronic document circulation and assisted in developing a mortgage loan process for a major Polish bank. Bartosz started their career in IT as an Informatyk at Biuro Doradców Biznesowych Play dla Firm, focusing on a desktop application for automated data collection and Excel macros. Bartosz also has customer service experience from working at Salon Sprzedaży Play and a short internship at Bank BGZ. Educational background includes an Engineering degree in Computer Science from Polsko-Japońska Akademia Technik Komputerowych and a Bachelor's degree in International Relations from Uniwersytet WSB Merito Gdańsk.