gecko liu@geckoliu1818United StatesFollow BadgesProblem SolvingCPP CertificationsCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillCertificate: C++ (Advanced)VerifiedskillWork Experiencegeckoliu1818 has not updated employment details yet.Educationgeckoliu1818 has not updated education details yet.