Nguyễn Trọng Hà@Trongha_hd_98VietnamFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork ExperienceTrongha_hd_98 has not updated employment details yet.EducationTrongha_hd_98 has not updated education details yet.