Profile image of wwk116
Flag of China Dandong, China
Member since March, 2012
0 Recommendations


Online Offline
I have enough experiences of more than 10 years in software technology . I'll research on new techniques and improve my skills continuously. I can deliver any project of C++, .Net, C#, Java, Perl and MySQL as well as iOS/objective-C programming. If hire me, I'll do my best and finish them in time.
$11 USD/hr
3 reviews
  • 43%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 67%Repeat Hire Rate


Recent Reviews

  • image of abdpromotions Roku Channel Loading Screen $50.00 USD

    “Phase three of our development went smoothly with Chang's help of course. As always he was professional, intelligent and willing to go the extra mile to make things work. We will definitely use him again.”

  • image of abdpromotions Roku Channel Modification $50.00 USD

    “Once again Chang has come to the rescue. His ability to adapt to and resolve unforeseen complications has been crucial to the success of my project. I will be contacting him shortly for more work.”

  • image of abdpromotions Roku Channel Development extended $150.00 USD

    “This Freelancer was very efficient and knowledgeable. Excellent communications, no language barrier. Even helped me with some aspects that were out of the scope or our project. I am already working on another project and will invite him for a direct bid.”



Nov 2007



2003 - 2007 (4 years)


Software Engineer (2007)

Beijing University of Technology




  • US English Level 1


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