Piotr Zielonka@piotrzielonkaaPolandFollow BadgesProblem SolvingCPPSql CertificationsCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillWork Experiencepiotrzielonkaa has not updated employment details yet.Educationpiotrzielonkaa has not updated education details yet.