Hieu Nguyen@nthieu13Follow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencenthieu13 has not updated employment details yet.Educationnthieu13 has not updated education details yet.Linksnthieu13 has not updated links details yet. Skillsnthieu13 has not updated skills details yet.