Sergey Koshman@koshman86Senior Software Engineer at Align TechnologyRussian FederationFollow BadgesProblem SolvingCPPPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencekoshman86 has not updated employment details yet.Educationkoshman86 has not updated education details yet.