- Senior engineer with over 6 years experience on Linux/Unix system, Voip/PBX administrator and development: Asterisk/Freepbx/Elastix, A2billing, Vicidial, Freeswitch/Fusionpbx, Opensips/Kamailio, RTPProxy, Hylafax, Twilio/Tropo/Plivo API.
- 2 years experience on web development with Python/Django framework, html, css, javascript.
- Expert on Ejabberd server/ Erlang/Xmpp Protocal.
-The program languages: C/C++, C#, java, erlang, lua, python.
- Database: mysql, postgresql, sqlite, mongodb.