Cong Guan@gczhygxzUnited KingdomFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillCertificate: Software EngineerVerifiedroleWork Experiencegczhygxz has not updated employment details yet.EducationUniversity of Oxford