Lau Yat Hay@alvindeveloperBackend EngineerHong KongFollow BadgesProblem SolvingPythonDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillWork Experiencealvindeveloper has not updated employment details yet.Educationalvindeveloper has not updated education details yet.