My core competencies are server-side web development, speed and security optimization of web applications and developing VoIP Reseller, voip guard, PBX, Radius and cloud accounting applications. I have developed, optimized and maintained high quality web and VoIP Reseller, voip guard, PBX, Radius and cloud accounting applications using PHP (CakePHP, Phyton Script, Freeswitch, Jquery). I am also very familiar with Linux-related tasks (including server-side speed and security optimizations), VoIP (Asterisk, FreeSWITCH)