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Jang Qiang Tong

EXCELLENT MOBILE DEVELOPER - Android, iOS

$33.33/hr

DanDong, China

Overview

Now, I have full experience and expertise in delivering high performance mobile applications on platforms like iPhone, iPad, Android 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. My skills and experiences are following - iPhone/iPod/iPad, Android - Video/Audio Streaming, Video Editing, Decoding/Encoding - MySQL, SQLite - Google Map Service - Cocos2D, OpenGL - Box2D, Chipmunk - Game Center, In-App Purchase, Multiplayer Game - iAd, Adwirl, Admob, Chartboost, TapJoy, Cerebro - Flurry, Testflight Please feel free to contact me any time to discuss your idea. Client's joy is ... moremy joy. Best Regards!!! less

Jang Qiang Tong has added 7 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Mar 2013 - Jun 2013

    TOP Android Developer needed

    No feedback given

    109 hours
    $33.33 / hr
    $3,627.53 earned

  • Jan 2013 - Jun 2013

    Andriod Developer to port iPhone App

    No feedback given

    380 hours
    $33.33 / hr
    $12,665.40 earned

  • Nov 2012 - Jan 2013

    Simple one page iPhone, iPad, iPod and Android App
    5.00
    Very Good Work
    $450.00 earned
    Fixed Price

  • Nov 2012

    Jang development
    5.00
    Another great job by Jang!
    3 hours
    $33.33 / hr
    $99.99 earned

  • Aug 2012 - Oct 2012

    iphone/android app - simple with small db

    No feedback given

    217 hours
    $27.78 / hr
    $6,037.70 earned

  • Jun 2012 - Sep 2012

    development of mobile version for my social network site

    No feedback given

    10 hours
    $33.33 / hr
    $327.63 earned

  • View More (5)

Jang Qiang Tong has more jobs to show. Create an account to review them.

Tests

Name Score (out of 5) Time to Complete
Google Android Programming Test 4.60 Top 10% 15 mins
Facebook Connect Test 4.25 Top 10% 18 mins
PHP5 Test 4.75 Top 10% 15 mins
XML 1.0 Test 4.25 Above Average 23 mins
Objective C Test 4.75 Top 20% 20 mins
Programming with C++ Test 3.90 Top 10% 29 mins
UK English Basic Skills Test 4.60 Top 10% 19 mins
MySQL 5.0 Test 4.10 Top 10% 16 mins
Cocoa programming for Mac OS X 10.5 Test 4.50 Below Average 13 mins
Java Test 3.75 Top 10% 26 mins
iPhone Programming OS 4.0 Test 4.60 Above Average 22 mins
U.S. English Basic Skills Test 4.75 Top 10% 12 mins

Work History

2,223 hours worked
33 jobs

Availability

Available
More than 30 hrs/week

Verifications

Phone Number: Verified

Groups

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