My core skill set includes Reverse Engineering, Network/Web Security, SQL, C, C++, X86-Assembly, Perl, C#, VB, VB/C#.net, Java, Oracle, MySQL and MS SQL. Over the last 10 years I have developed a lot of desktop and serverside applications for Windows and Linux using C, C++, QT, Java, SQL, PL/SQL, T-SQL languages for small business in China, Austria, Switzerland, UK and USA. Also taked part in developing enterprise-scale applications used Oracle, Sybase, MS SQL & MySQL databases. Have strong skills in normalized database design.