Hongze Xia@hongze_xAustraliaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencehongze_x has not updated employment details yet.Educationhongze_x has not updated education details yet.