song xunzhao@songxunzhaoSoftware Engineer at ProducementChinaFollow BadgesProblem SolvingRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencesongxunzhao has not updated employment details yet.Educationsongxunzhao has not updated education details yet.