ZF Feng@zifanf2United StatesFollow BadgesProblem SolvingCPPPythonDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencezifanf2 has not updated employment details yet.Educationzifanf2 has not updated education details yet.