Michail Koreshkov@drkorRussian FederationFollowAboutCurrentZTE9 Corporation BadgesProblem SolvingDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork ExperienceZTE9 CorporationEducationdrkor has not updated education details yet.