Cường Nguyễn Mạnh@cuonghi01Free lancerViet NamFollow BadgesProblem SolvingJavaDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencecuonghi01 has not updated employment details yet.Educationcuonghi01 has not updated education details yet.