JinLong Wei
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JinLong Wei

Top Mobile App|Game Developer With WebDevelopment+NativeEnglish Skill


Beijing, China


"Diligence and honesty are the foundation of all success." "Stay hungry, stay foolish", Steve Jobs who made ceaseless legends on the world of IT, left such one of excellent saying while he was living. Top 5, Recommended and Certified contractor on mobile app category. No matter where you are in the world, you won't have problem with this language barrier since my English is native. I am a professional software engineer with more than 10 years of experience in various fields of software development, especially Operating Systems, Online Game engines, Desktop Projects and Websites for big commercial companies till 2007. Since 2006, I've been ... morecreating high quality and excellent mobile applications for the latest 7 years. Through the work for mobile for 7 years so far, I have picked up various mobile development techniques, rich experience and in-depth knowledge of the mobile app field. For the last 7 years I've created applications for big companies and individual customers in US, Canada, Australia, UK, Denmark ,China and Japan mainly. I'm working as a developer as well as a team manager. I also know how hard it is to deal with providers that don't speak English well so you won't have problem with this language barrier since my English is perfect and native. My main strength and experiences are as follows, 1) Applications - iPhone/iPod/iPad, Android, Titanium, Phonegap - Web Service, Ajax, XML, JSON, RSS, SOAP, WSDL - Video/Audio Streaming, Video Editing, Decoding/Encoding - MySQL, SQLite, HTML5, PHP, JSP - Social Networking, Geo Location 2) Games - Cocos2D, OpenGL, Corona, Unity3D - Box2D, Chipmunk - Game Center, In-App Purchase, Multiplayer Game - iAd, Adwirl, Admob, Chartboost, TapJoy, Cerebro, RevMob - Flurry, Testflight 3) Especially experienced areas - Audio/video conferencing solutions for iOS/android/PC with multiple participants support (voip) - Messaging applications, universal community connectors for social networks such as facebook, twitter, MSN etc. - Image processing and multimedia based programming with AVFoundation and OpenAL - Network programming, network monitoring solutions development - Database design and high performance database object models automation frameworks development - 2D/3D programming with OpenCV and OpenGL ... ... ... Thanks for everyone who reads my poor work carefully. Looking forward to long-term relationship with you, Jinlong Wei less

JinLong Wei has added 35 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Feb 2013 - Apr 2013

    Developer for iOS Jump Game
    100 hours
    $33.33 / hr
    $3,333.00 earned

  • Nov 2012 - Feb 2013

    Urgent long term ios developer needed
    Jinlong and Yao did a good job. Overall I am happy but we still have a few things left to finish up.
    236 hours
    $33.33 / hr
    $7,879.22 earned

  • Jan 2013

    iPad Mini GUI Design
    JinLong did a good job creating the GUI for my iPad application. He followed my wireframes exactly and finished the work quickly. He communicated frequently and asked good questions. He was a pleasure to work with.
    271 hours
    $33.33 / hr
    $10,015.67 earned

  • Sep 2012 - Nov 2012

    ipod ipad game
    I have given Jin a top score due to his honesty and integrity even though my project is not completed yet, I believe Jin will stay true to his word and I have faith in his abilities. We are now moving to a fixed price contract where Jin will finish the project in the required timeframe to a high standard. I look foward to working with Jin in the future on my other projects!
    150 hours
    $33.33 / hr
    $4,999.50 earned

  • Jul 2012 - Nov 2012

    IOS developer
    JinLong did a great job with handling this task. He is very experienced and trust-worthy. Will recommend to future clients...
    355 hours
    $33.33 / hr
    $11,826.48 earned

  • Aug 2012

    iOS Developer
    Very available and reliable and a good developer.
    22 hours
    $33.33 / hr
    $722.27 earned

  • View More (12)

JinLong Wei has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Facebook Connect Test 4.60 Top 10% 5 mins
HTML 4.01 Test 4.75 Top 10% 6 mins
Google Android Programming Test 4.60 Top 10% 14 mins
MySQL 5.0 Test 4.60 Top 10% 9 mins
XML 1.0 Test 4.40 Top 30% 7 mins
JavaScript 1.8 Test 4.60 Top 20% 5 mins
Cocoa programming for Mac OS X 10.5 Test 4.50 Below Average 6 mins
Objective C Test 4.10 Top 30% 12 mins
Java Test 3.75 Top 10% 15 mins
PHP5 Test 4.40 Top 10% 3 mins
U.S. English Basic Skills Test 4.90 Top 10% 8 mins
iPhone Programming OS 4.0 Test 4.60 Above Average 5 mins
Programming with C Test 3.50 Top 20% 15 mins
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Work History

3,436 hours worked
46 jobs


More than 30 hrs/week


Phone Number: Verified

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