Sergey Pozhidaev@Sergey_PozhidaevRussian FederationFollow BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceSergey_Pozhidaev has not updated employment details yet.EducationSergey_Pozhidaev has not updated education details yet.