kiên nguyễn@barretm99chaosVietnamFollow BadgesProblem SolvingSqlC language CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencebarretm99chaos has not updated employment details yet.Educationbarretm99chaos has not updated education details yet.