Zhang D.
Drop Here

Zhang D.

Top Mobile/Web Developer


Dalian, China


Over the last 5 years, I have developed a wide range of mobile applications using Objective-C, Java, HTML, Javascript including traditional app, game play and database management. My core skills are iphone programming and android app development. I am very interseted in mobile game development and have experience of using OpenGL ES, cocos2d library, box2d game engine, and Unity 3d game engine. I create, design and deliver the latest technology solutions and work with highly skilled team members throughout the world. I also have some experience in the following areas: Java programming, HTML, CSS, C++ and Plugin Programming.

Zhang D. has added 15 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Mar 2013 - Oct 2013

    Motocross Game App

    No feedback given

    333 hours
    $11.11 / hr
    $3,204.28 earned

  • Mar 2013

    iOS Developer - LazySwipe for iPhone
    Great job, thanks you
    $50.00 earned
    Fixed Price

  • Jan 2013 - Feb 2013

    iOS Game Reskin
    Zhang was a pleasure to work with. I look forward to working with him again!
    $185.00 earned
    Fixed Price

  • Dec 2012 - Jan 2013

    iphone very simple game
    he was great and he communicates very well .
    $55.55 earned
    Fixed Price

Zhang D. has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Objective C Test 5.00 1st Place! 9 mins
Cocoa programming for Mac OS X 10.5 Test 5.00 1st Place! 10 mins
iPhone Programming OS 4.0 Test 5.00 1st Place! 10 mins
C++ Programming Skills Test (Hands-on programming skills) 4.20 Top 20% 9 mins
Google Android Programming Test 3.75 Top 20% 15 mins
Programming with C++ Test 3.90 Top 10% 27 mins

Work History

710 hours worked
18 jobs


More than 30 hrs/week


Phone Number: Verified

Search for others