Leon Zhang@h914342085Software Engineer at Shijihengtong Technology Co. LtdChinaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experienceh914342085 has not updated employment details yet.Educationh914342085 has not updated education details yet.