Sergey Bokarev@_Serg_Software EngineerRussian FederationFollow BadgesProblem SolvingCPPJavaPythonDays of CodeDays of JSSqlC languageRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C (Basic)VerifiedskillWork Experience_Serg_ has not updated employment details yet.Education_Serg_ has not updated education details yet.