Jinwen Tu@tujinwen85AustraliaFollow BadgesProblem SolvingDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencetujinwen85 has not updated employment details yet.Educationtujinwen85 has not updated education details yet.