Rafał Kucharski@r_kuchJust learningPolandFollow BadgesProblem SolvingCPPPythonDays of CodeDays of JSDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: R (Basic)VerifiedskillCertificate: R (Intermediate)VerifiedskillWork Experiencer_kuch has not updated employment details yet.Educationr_kuch has not updated education details yet.