Roman Yerin
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Roman Yerin

Web and VoIP(FreeSWITCH, WebRTC) engineer


Seversk, Russia


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-optimal solution I'll correct it and suggest a more efficient way. I'm never promising something that you're ... moreprobably expecting to hear instead of the realistic estimate of your project. I'm never lying to my clients and I'm always giving all the information I have - transparently and on a regular basis. In one word - you can trust me as you trust yourself. less

Roman Yerin has added 2 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Jun 2015 - Jul 2015

    Configuration of a new Freeswitch instance
    Great work! Excellent skills and good communication.
    33 hours
    $55.00 / hr
    $1,833.34 earned

  • Oct 2014

    Icecast stream to SIP endpoint
    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!
    $250.00 earned
    Fixed Price

  • Jun 2014 - Sep 2014

    SipXecs Programmer
    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.
    8 hours
    $44.44 / hr
    $355.52 earned

  • Jul 2014

    Sencha Ext JS developer with 5.0 experience needed.

    No feedback given

    2 hours
    $35.00 / hr
    $52.50 earned

  • May 2014 - Jul 2014

    DuckDuckGo Search Plugin Development
    Roman was a pleasure to work with, dilligent, and delivered high quality work.
    10 hours
    $16.67 / hr
    $161.16 earned

  • May 2014 - Jun 2014

    SIP (FreeSwitch) / WebRTC Integration
    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.
    27 hours
    $33.33 / hr
    $911.03 earned

  • View More (3)

Roman Yerin has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
System Programming Test 3.60 Top 30% 19 mins
Perl 5 Test 3.90 Top 30% 23 mins
Perl 5 Test 3.50 Above Average 28 mins
Programming with C Test 3.40 Top 20% 28 mins
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Work History

86% Job Success
620 hours worked
36 jobs


More than 30 hrs/week
24 hrs response time


Phone Number: Verified

Associated with

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411 hours

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