Joe Lau@lau_joe_aSoftware DeveloperUnited StatesFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencelau_joe_a has not updated employment details yet.Educationlau_joe_a has not updated education details yet.