On ChangPiao
Drop Here

On ChangPiao

Wise man idea will change the world


beijing, China


Video/Audio streaming technology. Video/Audio edition and optimization technology. iPhone programming. Android programming. Windows/Linux/Mac programming. Web programming.

On ChangPiao has added 4 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Mar 2012 - Mar 2013

    Iphone & Ipad app developer

    No feedback given

    $111.11 earned
    Fixed Price

  • Mar 2012 - Aug 2012

    IOS Developer For Iphone, Ipad, and Ipod Application

    No feedback given

    73 hours
    $27.78 / hr
    $2,014.05 earned

  • Jun 2012 - Jul 2012

    Customization of Linphone for iPhone
    The freelancer has made this comment private
    41 hours
    $30.00 / hr
    $1,220.10 earned

  • Apr 2012

    Compile liblinphone
    very pleasant to work with and knowledgeable about a variety of technologies.
    80 hours
    $27.78 / hr
    $2,222.40 earned

  • Apr 2012

    video streaming, Ip Camera
    Arthur is the most patient contractor there is available on Odesk and also the most understanding fella. He took care of my project like his own and did a terrific job at it and he even thought me some of the new things I didn't know about my project. I most definitely recommend him to everyone and I will work with again very soon this summer.
    $4.44 earned
    Fixed Price

  • Mar 2012 - Apr 2012

    IOS Developer
    On ChangPiao was great to work with. He is very knowledgeable and worked very hard to complete the task. It was not an easy task but he stayed with it to get it done successfully. I will work with him again very soon.
    46 hours
    $27.78 / hr
    $1,263.99 earned

  • View More (1)

On ChangPiao has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Cocoa programming for Mac OS X 10.5 Test 4.10 Below Average 17 mins
Objective C Test 3.90 Top 30% 17 mins

Work History

1,079 hours worked
22 jobs


More than 30 hrs/week


Phone Number: Verified

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