Dimitris Mastrogiannopoulos@mastrojohnUnited KingdomFollow BadgesProblem SolvingCPPJavaPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencemastrojohn has not updated employment details yet.Educationmastrojohn has not updated education details yet.