Kiệt Hoàng@tuankietdhai_tbVietnamFollow BadgesProblem SolvingCPPJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencetuankietdhai_tb has not updated employment details yet.Educationtuankietdhai_tb has not updated education details yet.