Jan Barański@janbarAndroid DeveloperFollow BadgesProblem SolvingCPPPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencejanbar has not updated employment details yet.EducationUniversity of WarsawLinksjanbar has not updated links details yet. Skillsjanbar has not updated skills details yet.