Tan Yee Yong@yytan1987Republic of KoreaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceyytan1987 has not updated employment details yet.Educationyytan1987 has not updated education details yet.