Jan Barański@janbarAndroid DeveloperPolandFollowAboutEducationUniversity of Warsaw BadgesProblem SolvingCPPPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencejanbar has not updated employment details yet.EducationUniversity of Warsaw