Zhendong Chen@chenzhendongLeader DeveloperUnited StatesFollow BadgesProblem SolvingJavaPythonDays of CodeDays of JSDays ofStatisticsSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillWork Experiencechenzhendong has not updated employment details yet.Educationchenzhendong has not updated education details yet.