Franciszek Winiarski@frawiniData AdministratorPolandFollow BadgesProblem SolvingCPPPythonDays of CodeSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillCertificate: C++ (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencefrawini has not updated employment details yet.Educationfrawini has not updated education details yet.