On ChangPiao

On ChangPiao

Wise man idea will change the world

beijing, China



What's the difference?

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 & Feedback

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.”
Fixed Price $4

Compile liblinphone

“very pleasant to work with and knowledgeable about a variety of technologies.”
80 hrs @ $27.78/hr
Earned $2,222

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 hrs @ $27.78/hr
Earned $1,264

Mobile Apps/Iphone?Android

No feedback given
16 hrs @ $25.00/hr
Earned $404

Iphone & Ipad app developer

No feedback given

Fixed Price $111

IOS Developer For Iphone, Ipad, and Ipod Application

No feedback given

73 hrs @ $27.78/hr
Earned $2,014
Tests Taken
Name Percentile Score

Cocoa programming for Mac OS X 10.5 Test


Objective C Test