Patryk Olejniczak@PatrykOlejniczakPolandFollowAboutEducationCollegium Da Vinci BadgesProblem SolvingDays of JSSql CertificationsCertificate: SQL (Basic)VerifiedskillWork ExperiencePatrykOlejniczak has not updated employment details yet.EducationCollegium Da VinciComputer Science, B.Tech•  2012 - 2016