David Halim@davi0015SingaporeFollowAboutEducationNational University of Singapore, Singapore BadgesProblem SolvingCPPJavaPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencedavi0015 has not updated employment details yet.EducationNational University of Singapore, Singapore