Echo Liu@kozue3456Aspiring Penetration TesterUnited StatesFollow BadgesProblem SolvingCPPRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencekozue3456 has not updated employment details yet.Educationkozue3456 has not updated education details yet.