General (& grade):SO: CPM (A), DOS (A), Windows (A), AIX+X11 (B), micro-RSX (A), Ultrix (C), VMS (B), TOS (A), Windows Mobile (A), Android (A), iOS (A)Lang.+Compiler: Hisoft DevPac (A), Basic-A-GWbasic (A), QBasic (A), VisualBasic (A), Dbase (A), Clipper (A), Pascal (C), Borland Delphi (A), Embarcadero Delphi (A), Borland C/C++ (C), Parity Software VOS (A), BP2 (A), Bpc (A), Bp4ppc (A), b4A Android (A), b4i Apple iOS (A), Squirrel (A)WEB-Oriented: Classic ASP (A), .NET (A), SOAP / WSDL (A), REST (A), Script/Cscript (A), JavaScript (A), Logi Analytics (A), LGX Report (A), Perl (B), Ruby (C), Java (A), PHP (A)DB: SQL Server (A), MS Sql Server / T-SQL (A), SQLite (A), MySQL (A), Access (A), Gupta (A), Dbase (A), Oracle (A), Oracle Application (B), Informix (B), PostgreSQL (B), Oracle SAP Custom (B), DB2 (C), BP2 (A)Telecom: IVR, ICT, VOIP: VOS (A), Digitalk (A), Digitalk Studio (A), Parity Software VoiceB OCX (A), FreeSWITCH (B), Asterisk (A)Mobile and Handheld devices development: Android (A), Windows CE and Embedded (A), Windows Mobile 5 e 6.x (A), Apple Developer iOS (A), Datalogic WinCE (A)Specializations:Analysis, prototyping and development solutions for data integration / systems.WEB Services and Mobile applications integration. BackOffice and Reporting.Analisi, prototipazione e sviluppo soluzioni per integrazione dati/sistemi, WEB+Mobile, BackOffice e Reporting.