Ref. A - Programmer
Programming experience in C, C++, Windows and Unix. Also useful is knowledge of Java and OpenGL and directX graphic libraries.

Ref. B - Junior System Engineer
Knowledge of Unix/NT, with 2/3 years of experience.

Ref. C - Web Programmer
Knowledge of HTML, ASP, XML, Javascript, VBScript, ActionScript, Flash, of the main web databases (SQL Server, Oracle) and experience in the realization of applications based on one or more of these DB; knowledge of main operating systems (Windows NT, Unix) and web servers (Information Server, Apache), with 2/3 years of experience.