CWM Ray@mannchungCSA in Hong Kong GovernmentHong KongFollow BadgesProblem SolvingJavaPythonDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencemannchung has not updated employment details yet.Educationmannchung has not updated education details yet.