Sergey Ovsyannikov@sp_cyanSQL DeveloperRussian FederationFollowAboutCurrentQuirco BadgesProblem SolvingPythonSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork ExperienceSoftware EngineerQuirco•  December 2021 - PresentEducationsp_cyan has not updated education details yet.