Pham Thanh Son@rongdiencuongVietnamFollow BadgesProblem SolvingCPPJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencerongdiencuong has not updated employment details yet.Educationrongdiencuong has not updated education details yet.