Hieu Hoang@n8niksnVietnamFollow BadgesProblem SolvingCPPJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencen8niksn has not updated employment details yet.Educationn8niksn has not updated education details yet.