Marek Chrzanowski@mchrzan2PolandFollow BadgesProblem SolvingCPPSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencemchrzan2 has not updated employment details yet.Educationmchrzan2 has not updated education details yet.