Lefteris Christoforidis@chr_lefterisUnited StatesFollow BadgesProblem SolvingCPPSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencechr_lefteris has not updated employment details yet.Educationchr_lefteris has not updated education details yet.