I'm a desktop application programmer worked with c# , vb.net and have an experience with them . i know more programming language but with less experience such as php,python ,Perl , html,css,c++,c ... i learned embedded system and have some experiences with arduino and raspberry pi . sure know a lot about database but i'm not DBA i worked with (sqlserever, mysql) i made The Finance Department in ERP system and i also made a full time attendance system for a company across two far away sights and system for store but it's not too big . and with Embedded system i made a automated home system , and worked with Rfid technique .