click
Sergey A.
Drop Here

Sergey A.

VoIP CallXML developer

$10.00/hr

Kazan, Russia


Sergey A. has added 9 portfolio piece. Create an account to review them.

I am focused on efficiency of software development. I am ... moreimproving my efficiency every day with great success. I am independent freelance developer with 10+ years experience, I can be responsible for your project. High quality of code is guaranteed. My favourite technologies are StarTrinity CallXML (VoIP scripts), WPF, AJAX, WPF, MVVM, Entities Framework. Over last 13 years I have successfully developed a wide range of applications for various businesses using C#, WPF, audio/video media processing and streaming, voice/text chats, Text-to-speech, C++, SIP, RTP, TCP/IP, HTTP. Now I am willing to help you with your project fulfilling if you know what you want and if you have good understanding of what you need. With current employers I work trying to save their money and time by telling them about possible problems before the problems happen. less

Overview

I am focused on efficiency of software development. I am improving my efficiency every day with great success. I am independent freelance developer with 10+ years experience, I can be responsible for your project. High quality of code is guaranteed. My favourite technologies are StarTrinity CallXML (VoIP scripts), WPF, AJAX, WPF, MVVM, Entities Framework. Over last 13 years I have successfully developed a wide range of applications for various businesses using C#, WPF, audio/video media processing and streaming, voice/text chats, Text-to-speech, C++, SIP, RTP, TCP/IP, HTTP. Now I am willing to help you with your project fulfilling if you know ... morewhat you want and if you have good understanding of what you need. With current employers I work trying to save their money and time by telling them about possible problems before the problems happen. less

Sergey A.
Drop Here

Sergey A.

$10.00 /hr

VoIP CallXML developer

Kazan, Russia

Overview

I am focused on efficiency of software development. I am improving my efficiency every day with great success. I am independent freelance developer with 10+ years experience, I can be responsible for your project. High quality of code is guaranteed. My favourite technologies are StarTrinity CallXML (VoIP scripts), WPF, AJAX, WPF, MVVM, Entities Framework. Over last 13 years I have successfully developed a wide range of applications for various businesses using C#, WPF, audio/video media processing and streaming, voice/text chats, ... moreText-to-speech, C++, SIP, RTP, TCP/IP, HTTP. Now I am willing to help you with your project fulfilling if you know what you want and if you have good understanding of what you need. With current employers I work trying to save their money and time by telling them about possible problems before the problems happen. less

Sergey A. has added 9 portfolio pieces. Create an account to review them.

Work History and Feedback

  • ASP desktop application

    Aug 2013 - Dec 2013
    No feedback given

    117 hours

    $28.89 / hr
    $3,384.97 earned

  • Develop a software that ingest streaming web video

    Dec 2011 - Aug 2012
    No feedback given

    312 hours

    $29.00 / hr
    $9,033.50 earned

  • Silverlight .NET 4 Expert

    Feb 2012 - Mar 2012
    5.00
    very skilled worker, will use again

    42 hours

    $25.00 / hr
    $1,054.25 earned

  • Application Developer For Reverse Proxy

    Mar 2011 - May 2011
    5.00
    Sergey is responsible for a complex programming project involving reverse TCP/IP connections and MySQL. He is doing a very good job.
    $500.00 earned
    Fixed Price

  • Demo ActiveX or Silverlight control showing microphone signal

    Nov 2010 - Dec 2010
    5.00
    Great project, Sergey was very responsive and clearly communicated the questions he had along the way, as well as providing interim versions for me to provide feedback. Recommended.
    $166.67 earned
    Fixed Price

  • Create & show pin based voip dialing.

    Oct 2010 - Dec 2010
    No feedback given
    $3.33 earned
    Fixed Price

  • Level 2 Support

    Nov 2010
    5.00
    $60.00 earned
    Fixed Price

Sergey A. has more jobs to show. Create an account to review them.

Tests

NameScore (out of 5)Time to Complete
Russian To English Translation Skills Test4.25Top 20%19 mins
Programming with C Test4.10Top 10%29 mins
Programming with C# Test3.10Top 30%40 mins
SQL Test3.00Top 20%37 mins
ASP.Net 3.5 using C# Test2.60Top 30%37 mins
Call Center Skills Test4.25Top 20%31 mins
English To Russian Translation Skills Test4.60Below Average26 mins
Customer Service Test3.25Below Average34 mins
U.S. English Basic Skills Test3.90Above Average31 mins
or
Invite to Job
What's the difference?

100% Job Success
Work History
5,942 hours worked
32 jobs
Availability
Not available
Profile Link
Search for others