Sergey Gavrilov@artinRussian FederationFollow BadgesProblem SolvingCPPDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experienceartin has not updated employment details yet.Educationartin has not updated education details yet.