Roman Yerin

Roman Yerin

Web and VoIP engineer

Seversk, Russia



What's the difference

I'm a skilled software developer and VoIP engineer with more than 15 years of experience. I'm also a full-stack developer of the convergent systems of voip and web. Playing with Freeswitch, Kazoo, SipXecs, Ruby, Perl, JS(node.js), C/C++ and much, much more - I'm always choosing tools for the task.
Probably the most important thing which differs me from others - I'm never working just to gain money. I'm always doing my best to reach your goal the fastest way possible. If you've chosen a non-optim…


Work History & Feedback

Icecast stream to SIP endpoint

Fixed Price $250
“Roman was very helpful and we are hiring him again on an hourly basis. He solved the problem with simple and easy to understand code. He readily understood my requests. His communication was excellent and he was finished before he said he would be. Thanks!”


SipXecs Programmer

8 hrs @ $44.44/hr
Earned $356
“Will rehire again - unfortunately we did not have any further work at the moment due to other commitments - however as soon as we have work to be done we will rehire again. Excellent work - timely and very professional.”


DuckDuckGo Search Plugin Development

10 hrs @ $16.67/hr
Earned $161
“Roman was a pleasure to work with, dilligent, and delivered high quality work.”


SIP (FreeSwitch) / WebRTC Integration

27 hrs @ $33.33/hr
Earned $911
“Roman did an excellent job setting up our FreeSwitch Server. He also helped us by implementing custom solutions for our business model. For SIP, FreeSWITCH and also Linux skills Roman is the right man. I enjoyed working with Roman and will likely have additional jobs for him in the future.”


Perl and MongoDB project

Fixed Price $85
“I had a wonderful experience working with him. He has extreme levels of patience and good knowledge on problem solving and debugging. I would recommend him to anyone working with projects related to Perl, MongoDB and other areas.”


Freeswitch Developer, Video, Instant Message, Presence Config

Fixed Price $111
“Roman is a super man. This person is a gem and very honest, hard working and i'm at a loss of positive words to describe quality of work, detail orientation and dedication to complete my even tho small yet tiring issue. Roman thanks alot.”


Tests Taken
Name Percentile Score

Perl 5 Test


Programming with C Test


System Programming Test


oDesk Readiness Test for Independent Contractors and Staffing Managers