Hai Yang

Hai Yang

Honest iOS | Android Developer && Unity 3D Expert

Dandong, China



What's the difference
Hai Yang

Hai Yang

Honest iOS | Android Developer && Unity 3D Expert

game-development android-app-development xml-web-services ios-development apple-ios-jailbreaking ipad-app-development objective-c facebook-api javascript mysql php xml cocoa facebook-games-development twitter-api photo-manipulation 2d-design 3d-design google-apps cocoa-touch cocos2d corona-sdk box2d-game-engine unity-3d xbox-game-development java photo-editing audio-editing audio-mixing video-conversion video-editing ulead-video-studio skype apple-xcode blackberry-jde physical-fitness socialengine phonegap microsoft-sql-server-notification-services game-design gamesalad-creator amazon-web-services web-design wordpress apple-uikit-framework ajax html5 html 2d-animation 3d-animation graphic-design gui-design eclipse c c++ youtube-api phpmyadmin python django-framework smartfox-server photography good-data database-administration adobe-photoshop oracle-database opengl-es pinnacle-studio linkedin-api sencha jquery-mobile core-java jsp asp ui-design ebook-writing dropbox-api windows-phone-7-development symbian-development management-development ansi-c apache-tomcat packaging-design frontend-development game-testing drupal social-bookmarking windows-movie-maker torque-game-engine appcelerator-titanium google-app-engine audio-mastering smarty testcomplete wp-ecommerce ruby security seo qt microsoft-visual-studio yahoo-messenger assembly-language yahoo-search-marketing objective-j object-pascal object-oriented-design microsoft-access machine-design opengl trixbox facebook-marketing twitter-bootstrap google-calendar-api website-development website-wireframing xml-rpc amazon-ec2 asp.net sqlite oracle-obiee-plus database-management database-design database-programming database-testing database-cataloguing database-modeling microstock-photography photoscape embedded-c embedded-linux embedded-systems video-streaming video-production yahoo-query-language sound-design sound-editing social-media-marketing soundtrack-pro 3d-modeling ulead-cool-3d wrap-advertising opensocial algorithms genetic-algorithms 3d-rendering 3d-printing papervision3d advertising software-testing functional-testing pattern-recognition open-office email-deliverability-consulting email-handling email-marketing apple-ibooks market-research gtk-programming system-automation socket-programming trade-marketing mfc ebay-api link-building windev linux-system-administration web-testing unit-testing wordfast xquery data-analysis data-recovery data-mining data-structures .net-compact-framework online-community-management project-management microsoft-project next-limit-maxwell-render realbasic skype-development logo-design blackboard architectural-rendering network-security engineering-drawing translation-chinese-english translation-english-chinese soap soapui receptionist-skills virtualization microsoft-virtual-server oracle-application-framework windev-mobile business-analysis requirements-analysis unix-shell powershell data-science environmental-science automotive-engineering spring-security sales scrapebox motion-graphics basic pascal banner-design video-ripping black-box-testing twig-template-engine adobe-graphics-assembly-language adobe-acrobat adobe-flash infographics spiral-graphics-genetica statpoint-statgraphics vectorworks javafx oracle-java-ee jomsocial oauth sql copywriting online-help adobe-framemaker activex word-processing joomla web-content-management adobe-dreamweaver magento oscommerce opencart prestashop shopify wpf icontact image-editing image-processing clerical-skills applescript imacros-scripting augmented-reality autodesk-3d-studio-max autodesk-maya 3d-rigging pdf-conversion phpbb arabic git payment-gateway-integration payment-processing ruby-on-rails crm google-apps-api sqa typo3 adobe-air sip opensips a2billing font-development foursquare-api microsoft-excel tfs b2b-marketing bugzilla memcached icefaces gambling google-docs-api testlink helpdesk-support prototypejs twilio-api vidvox-vdmx microsoft-word 00 more less

Hi, Dear My Hiring Manager.

I am a honest individual iOS/Android Mobile App developer. My past experiences have prepared me well for a variety of iOS/Android app development.
Specially I have extensive development experience in an Social Sharing Mobile App field that necessary to integrate of web server api.
I believe that my qualifications are an ideal match for this position, and I am confident I would make a valuable and immediate contribution to implementation of your great idea.
Even if So…


Hai Yang has added 6 portfolio pieces. Create an account to review them.

Work History & Feedback

Android App Game Developer

“BEWARE! DO NOT HIRE. HE IS A KNOWN FRAUD along with his accomplice Jin @ https://www.odesk.com/users/~01a1fe7a5924946652The contractor did not make any of his commitments. He seriously misjudge the time he would take to work on this project. His misjudgment impacted everything else that I had going on around the development of the app including marketing deliverables, graphic logos, feature banners, etc. In addition, the contractor heavily lacks communication which also hindered me from doing what I needed to do to make a successful app. I have had to cancel multiple meetings with my marketing and graphic designing partners on several occasions due to his lack of communication and inability to deliver and make deadlines.Here are reasons to not trust or hire this contractor:1. He broke the contract.2. Every deadline we set, he missed or did not deliver on that due date.3. He showed extremely poor communication throughout this entire project.4. Misjudged project duration. The project was expected to be completed in 20 days and it was approaching 60 days before he realized he would not be finishing the project and I ended the contract.5. I payed him 87.5% of the total agreed upon cost of the project and the project was not even 20% completed.It was a very poor experience with a very poor contractor. I lost valuable time and money. Fortunately oDesk is taking the necessary measures to assist me in recovering my loses and I do appreciated their swift and concerned response to my experience.”
45 hrs @ $44.44/hr
Earned $1,744

Android App Game Developer

“Hai is an EXCELLENT contractor. Highly skilled at what he does. Very easy to work with and I really appreciated his constant communication to provide me with timely updates. He is extremely professional and I will use him again for future projects. Thanks.”
Fixed Price $1,067

iOS app with custom products (Android in the future)

“Skills are great and Hai can work very fast. He does the job well and sticks to the deadline. You do have to be clear on the project, but that's with any contractor. I think Hai will do great on oDesk and work for a lot of companies to help their app get in the app store!”
14 hrs @ $33.33/hr
Earned $478

iOS Mobile App Development - Instagram Short Sprint

“We hired Hai to complete some work for us as we neared the end of our development. He was excellent and i would recommend to use again.”
6 hrs @ $33.33/hr
Earned $200

iOS app with custom products (Android in the future)

“Good communication, always available and works fast. Definitely coming back to him for more apps in the future!”
Fixed Price $33

App for IOS and ANDROID

No feedback given

Fixed Price $111

Looking for Skilled Unity Developer

Job in progress

60 hrs @ $33.33/hr
Earned $2,005
Tests Taken
Name Percentile Score

Cocoa programming for Mac OS X 10.5 Test


English Spelling Test (U.S. Version)




JavaScript 1.8 Test


Knowledge of WordPress 3.1 Skills Test


MySQL 5.0 Test


Objective C Test


PHP Programming Skills Test


XHTML 1.0 Test


iPhone Programming OS 4.0 Test