Sergei Puzyrev@spuzirevUnited StatesFollowAboutCurrentBooking.com BadgesProblem SolvingCPPPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencespuzirev has not updated employment details yet.Educationspuzirev has not updated education details yet.