Nickolay Protasov@ave_kolyanasRussian FederationFollow BadgesProblem SolvingDays of CodeRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experienceave_kolyanas has not updated employment details yet.Educationave_kolyanas has not updated education details yet.