Yang Zhi Yun@aaron_yang2MalaysiaFollow BadgesProblem SolvingDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceaaron_yang2 has not updated employment details yet.Educationaaron_yang2 has not updated education details yet.