Trinh Tuan Dung@ttdungalibubuSingaporeFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencettdungalibubu has not updated employment details yet.Educationttdungalibubu has not updated education details yet.