wang lin@wl9739Software EngineerChinaFollow BadgesProblem SolvingCPPPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillWork Experiencewl9739 has not updated employment details yet.Educationwl9739 has not updated education details yet.