Yong Zhan@zhan0329Software EngineerUnited StatesFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillWork Experiencezhan0329 has not updated employment details yet.Educationzhan0329 has not updated education details yet.