Jie Cheng

Mobile Developer (iPhone/iPad/Android/Web/Cocoa/Cocos2d/Box2d/Unity3d)

Dandong, China



What's the difference?

Jie Cheng

Mobile Developer (iPhone/iPad/Android/Web/Cocoa/Cocos2d/Box2d/Unity3d)

ios-development android-app-development cocoa java php javascript mysql iphone-app-development objective-c c c++ graphics-programming google-apps phonegap xml game-development database-programming eclipse corona-sdk appcelerator-titanium jsp html phpfox phpmyadmin symbian-development box2d-game-engine cocos2d google-maps-api facebook-api xml-web-services amazon-web-services c# web-design web-content-management website-development google-places-api sqlite actionscript-2 twitter-api twitter-bootstrap facebook-games-development apple-xcode apple-uikit-framework jquery jquery-mobile graphic-design animation character-design game-design audio-editing audio-mixing photo-editing photo-manipulation software-debugging opengl black-box-testing database-design database-management database-testing performance-testing functional-testing testcomplete testlink cpanel customer-service customer-support technical-support artificial-intelligence teaching-mathematics teaching-physics computer-vision xbox-game-development html5 core-java pattern-recognition textpattern video-conversion video-editing computer-networking facebook-marketing unity-3d iphone-ui-design ipad-app-development ipad-ui-design phpbb phpmydirectory phpnuke apple-ios-jailbreaking cisco-ios cakephp xhtml psd-to-html psd-to-xhtml twilio-api twitter-marketing netbeans zend-framework zend-studio microsoft-visual-studio microsoft-visual-c++ microsoft-visual-basic gamesalad-creator sql tcp-ip adobe-photoshop api-development gps-development .net-framework wordpress magento zoomla drupal frontend-development mobile-app-development 00 more less

To the top Mobile World!

I can manage your all requests for Mobile Apps and Games.
I have the experience and expertise in delivering high performance mobile applications on platforms like iPhone, iPad, Android, Blackberry and Windows Phone.I usually used to make an effort to keep the high quality and exact time frame. Most of clients like this work.
During these works, I was always on the same page with the clients and the “hire” was not our word, I used to go together with the clients. And we …


Jie Cheng has added 3 portfolio pieces. Create an account to review them.

Work History & Feedback

Applications game programmer and social function

“iam happy with the work so far and look forward to future projects. great work”
188 hrs @ $33.33/hr
Earned $6,266

Need iOS Programmer for Re-Usable Trivia Game

“Jie did a great job of completing the app exactly as requested. He worked through the corrections quickly. Very happy with his work and will work with him again.”
Fixed Price $556

Fixes Needed iOS App C Objective

“Works hard to finish the project, will definitely hire him again!”
19 hrs @ $33.33/hr
Earned $633

Bug fixes iOS & Android

“Fixed our app. Good.”
10 hrs @ $33.33/hr
Earned $167

IPHONE Application

“Awesome developer! Quick turnaround and best of all great communication!! Using on another project with Jie!!!”
Fixed Price $133


“AWESOME! Onpoint gives you what your want the first time. I'm sure I'll be back to do more business. Thanks! www.BUYDMG.COM”
Fixed Price $22
Tests Taken
Name Percentile Score

Cocoa programming for Mac OS X 10.5 Test


English Spelling Test (U.S. Version)


Google Android Programming Test


Java Test


JavaScript 1.8 Test


MySQL 5.0 Test


PHP Programming Skills Test


PHP5 Test


iPhone Programming OS 4.0 Test