Dongliang Z.
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Dongliang Z.

iOS Guru | iPhone/iPad | Android App/Game | Reverse Engineering | C#


Dandong, China


Hello, Thank you for look my profile page. Over the last 8 years, I have developed a wide range of mobile projects using iOS, Android, Blackberry, J2ME, Phonegap and Web including applications and games for startup companies and small businesses. My skills is the following. 1. Applications - iPhone/iPad, Android, Blackberry, J2ME, Phonegap, OpenGL. - Video, Camera, Image processing, Video/Audio Streaming, Decoding/Encoding - Backend, Web service, Telephony, RSS, SOAP - PHP, MySQL, HTML/HTML5.0, JSON, AJAX, XML - Facebook, Twitter, Youtube, Flicker, Instagram - Googe Map, GEO/REVERSE-GEO, Heatmap - Push and local notification, Calendar, Alarm - Core graphics, Core image, ... moreOpenCV, Opengl, Animation 2. Games - Cocos2d, Box2d, Opengl. - GameCenter, IAP, Online game - Particle effect, mask, gl view, Animation - Tap, Accelerator 3. Additional - Advertise : iAd, Adwirl, Revmob, Chartboost, Flurry, Tapjoy, - Testflight, Github, Bitbucket, SVN - Documentation, Debugging, Memory leak 4. Other skills - Reverse Engineering, x86 Assembly - Windows/Linux system, desktop, utility application I always work hard and do my best for making my client satisfied Best Regards, Lovely oDesk contractor. ^_^ ZhangDongLiang. less

Dongliang Z. has added 41 portfolio pieces. Create an account to review them.

Work History and Feedback

  • May 2013 - Jul 2015

    Looking for Experienced Developer for 2D Game!

    No feedback given

    $55.56 earned
    Fixed Price

  • Sep 2013 - Nov 2013

    Looking for App Developer to Upgrade Soundboard
    DongLiang worked diligently on this project, and made necessary corrections for satisfactory results. Wish he could be more resourceful at times, and much clarification was needed for things that should have been intuitive. Overall he did a decent job.
    $1,088.33 earned
    Fixed Price

  • May 2013

    Top-down iOS game
    Good work
    $888.89 earned
    Fixed Price

  • Mar 2013 - Apr 2013

    a bike and terrain simulation using Box2D & cocos2d
    Through a lot of hard work and determination, DongLiang has completed the project so well and successfully, that this is probably the biggest project I've ever done with him. He executed all of the goals I outlined in the project and I would like to work with him again someday
    $420.00 earned
    Fixed Price

  • Mar 2013

    Convert iPhone app to IPad
    Great developer ,the best of all the developers I have worked till now .very smart and helpful all the time available .I recommend to everyone to use.Thanks a lot fr your amazing job.
    $333.33 earned
    Fixed Price

  • Mar 2013

    Verification of results via plotting of graphs from original and identified system
    He is a very engaging worker and is very capable in his field of studies
    $10.00 earned
    Fixed Price

  • View More (4)

Dongliang Z. has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
iPhone Programming OS 4.0 Test 5.00 1st Place! 8 mins
Mac OS X 10.5 Test 5.00 1st Place! 13 mins
Objective C Test 5.00 1st Place! 12 mins
JSON Test 5.00 1st Place! 12 mins
U.S. English Basic Skills Test 5.00 1st Place! 8 mins
Google Android Programming Test 4.75 Top 10% 14 mins
Data Structures Test 4.00 Top 10% 15 mins
AJAX Test 4.60 Top 10% 7 mins
MySQL 5.0 Test 4.25 Top 10% 17 mins
Cocoa programming for Mac OS X 10.5 Test 4.75 Below Average 7 mins

Work History

250 hours worked
16 jobs


More than 30 hrs/week


Phone Number: Verified


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