Sergey Bogatov@siddha05_sbseekerRussian FederationFollowAboutMore about meC# fan BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: C# (Basic)VerifiedskillWork Experiencesiddha05_sb has not updated employment details yet.Educationsiddha05_sb has not updated education details yet.