Tran Kien@ke1nhrFollow BadgesProblem SolvingDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceke1nhr has not updated employment details yet.Educationke1nhr has not updated education details yet.Linkske1nhr has not updated links details yet. Skillske1nhr has not updated skills details yet.