Alex Radetsky

Ukraine Ukraine

CEO at PearlPBX

Telecom / Mobile

I came to work in telecom in october of 1997. I've come a long way from a junior sysadmin to my own projects. Since 2007 I focused on Mobile VAS solutions and VoIP-networking. My expertise includes: * Project management of IT related projects. * Product management * System architecture for telecom applications. * Software design and implementation. * System and network administration. * VoIP network design and implementation. Technical skills, which are used in the recent 5 years: * VoIP installations up to hundreds of users and thousands of calls per day * Erlang/OTP, Perl, PHP, C#, Java, Javascript, C * SQL and NoSQL databases * Network architecture including fail-over clust...