Denys Khraponenko@d_khraponenkoUkraineFollow BadgesProblem SolvingDays of CodeRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experienced_khraponenko has not updated employment details yet.Educationd_khraponenko has not updated education details yet.