Xiang Liu@dennislUnited StatesFollowAboutCurrentUniversity of Delaware BadgesProblem SolvingCPPJavaPythonDays of CodeSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencedennisl has not updated employment details yet.Educationdennisl has not updated education details yet.