Hoàng Dương Hào@hajuha168VietnamFollow BadgesProblem SolvingJavaPythonDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencehajuha168 has not updated employment details yet.Educationhajuha168 has not updated education details yet.