Nguyễn Hoàng Anh@Hoang_anhVietnamFollow BadgesProblem SolvingCPP CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork ExperienceHoang_anh has not updated employment details yet.EducationHoang_anh has not updated education details yet.