J.O.A. Rayner-Hilles Esq.@johnhill9573United KingdomFollowAboutEducationUniversity of Greenwich BadgesProblem SolvingCPPJavaPythonDays of CodeSqlC languageRuby CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencejohnhill9573 has not updated employment details yet.Educationjohnhill9573 has not updated education details yet.