February, 2005 - August, 2005
Asterisk VoIP control system
Responsibilities:
·Technical supervision
·Development of server core
·Specification of hardware
Technologies:
J2EE, JSF, JavaScript, PostgreSQL, Unix, Asterisk

September, 2005 - May, 2007
CMS Systems
Responsibilities:
· Technical supervision
· Development of server core
· Support and bug fixing
Technologies:
J2EE, Struts, JSF, JavaScript, MySQL, Oracle

March-April. 2007
Online CRM/ERP
Responsibilities:
· Technical supervision
· Development of server core
Technologies:
J2EE, Struts, JavaScript, MySQL

December, 2004 - February, 2005
VoIP clearing system
Responsibilities:
·Development of server core
Technologies:
PHP, MySQL, Unix, Asterisk