xuan nguyen@xuan11290Viet NamFollow BadgesProblem SolvingDays ofStatisticsSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencexuan11290 has not updated employment details yet.Educationxuan11290 has not updated education details yet.