Zhen Han

Zhen Han

iOS|Mobile Phone|iPhone App&Application&Game Developer/Development

dandong, China



What's the difference
Zhen Han

Zhen Han

iOS|Mobile Phone|iPhone App&Application&Game Developer/Development

ios-development cocoa android-app-development java javascript php html mysql objective-c phonegap corona-sdk game-design cocos2d unity-3d game-development facebook-games-development facebook-api twitter-api website-development network-security database-management database-programming iphone-app-development mobile-app-development cocoa-touch box2d-game-engine amazon-web-services xml-web-services xml skype teaching-physics html5 rss css soap 2d-design 3d-design jquery jquery-mobile appcelerator-titanium windows-phone-7-development database-design non-disclosure-agreements image-editing image-processing audio-editing audio-mixing video-editing video-streaming adobe-photoshop photo-editing photo-manipulation opencv opengl opengl-es sqlite pattern-recognition gui-design google-maps-api social-media-marketing apple-xcode eclipse database-modeling database-administration sound-editing operating-systems-development socialengine social-bookmarking opensocial facebook-marketing twitter-bootstrap administrative-support phpmyadmin ruby ruby-on-rails xampp xmpp chat-support live-chat-software google-app-engine google-app-engine-api api-development api-documentation dropbox-api ebay-api google-apps-api google-docs-api foursquare-api google-adsense-api google-adwords-api google-analytics-api amazon-mechanical-turk-api linkedin-api google-spreadsheets-api dwolla-api google-calendar-api google-gadgets-api google-places-api google-plus-api google-reader-api google-search-api google-sites-api mapinfo twilio-api windows-app-development web-scraping youtube-api venture-capital-consulting vkontake-api data-backup backbone-js 3d-rendering blender3d e-learning e-pub-formatting e-health ebay-motors ebook-design ebook-writing editing editorial-writing entity-framework ecommerce-consulting economic-analysis electrical-engineering email-deliverability-consulting email-handling email-marketing email-technical-support embedded-c .net-framework .net-compact-framework ado.net agile-software-development atlassian-jira basecamp oracle-database database-testing database-cataloguing print-layout-design magazine-layout flowcharts adobe-flash adobe-flex lead-generation quantitative-analysis data-analysis google-analytics technical-analysis business-analysis banner-design character-design 2d-animation actionscript-2 j2me win32-app-development amazon-ec2 3d-animation 3d-modeling css3 d3.js autodesk-3d-studio-max actionscript-3 amazon-s3 github subversion ad-posting ad-servers audio-restoration audio-post-production autodesk-softimage localization magento drupal svn tortoise-svn version-control video-conversion document-conversion video-production advertising reverse-engineering boonex-dolphin wordpress zoomla zend-framework applescript apple-ios-jailbreaking apple-ibooks apple-uikit-framework apple-motion apple-iweb apple-webobjects apple-iwork apple-imovie google-apps ipad-app-development oracle-application-framework spring-framework windev-mobile windows-phone mac-os-app-development web-design web-content-management mxml xml-rpc tumblr algorithms adobe-framemaker augmented-reality adobe-pdf pdf-conversion google-adwords google-calendar-development google-docs google-searching google-plus google-reader google-sites-administration google-adsense google-gadgets google-spreadsheet google-swiffy google-sketchup yahoo-search-marketing yahoo-merchant-solutions yahoo-messenger yahoo-query-language wp-ecommerce computer-networking gamesalad-creator game-testing xbox-game-development torque-game-engine sencha mindtouch-wiki adobe-fireworks code-refactoring codeigniter quickfix bugzilla software-debugging filemaker-pro product-development product-management audio-production sound-design soundtrack-pro frontend-development management-development microsoft-sql-server-notification-services geometry geology technical-support c++ microsoft-visual-c++ c c# security core-java xhtml jsp limejs node.js prototypejs extjs soapui phpfox cakephp prado-php-framework asp asp.net blackberry-app-development blackberry-jde pinterest-marketing prestashop real-estate-idx real-estate-law real-estate-appraisal 00 more less

Honest, skilled, experienced and dedicated mobile developer with more than 10 years development experience.

I started developing with c++ language and expert in linux and unix system with deep knowledge in various programming languages and tools like java, PHP and ASP.NET.

5 years ago I was very impressed in macOSx and started developing iPhone/iPad and macOS apps.
Now, I can say I am a TOP iOS and Android developer confidently.

☆ As a freelancer, Client Satisfaction with best qualified and f…


Zhen Han has added 2 portfolio pieces. Create an account to review them.

Work History & Feedback

multiplatform mobile app iOS & Andriod

20 hrs @ $40.00/hr
Earned $800
“Zhen was a gem to work with. He kept me up to date on the projects progress and updated me often. Zhen is a excellent programmer. He does great work with iOS and Android and works quickly. I will hire Zhen again!”


Hunting Application

3 hrs @ $40.00/hr
Earned $27
“Zhen is great, and provides quick, quality work. Due to funding we will not precede with the project for another month or so. I will re-hire him.”


Upgrade Mac App

18 hrs @ $30.00/hr
Earned $550
“By far the best programmer I've ever hired, and I will most certainly use him again. Defiantly would recommend him. Thank you Zhen Han!”


Simple and Basic English Word Games for Iphone

Fixed Price $100
“wonderful contractor to work with”


Application fixes

10 hrs @ $27.78/hr
Earned $278
“I have a good working experience with the programmer. He has performed excellently.”


Reservation inquiry Process

2 hrs @ $27.78/hr
Earned $56
“This is my first job requirement posted on oDesk. An extremely positive experience. It was a pleasure working with Zhen Han. He is a very professional individual. Easy to talk with and always available to answer any questions I had. It seemed he was online 24/7. The job was completed on time and as requested.”


Tests Taken
Name Percentile Score

Cocoa programming for Mac OS X 10.5 Test


Google Android Programming Test


HTML 4.01 Test


Java Test


JavaScript 1.8 Test


MySQL 5.0 Test


PHP5 Test


U.S. English Basic Skills Test


iPhone Programming OS 4.0 Test


oDesk Readiness Test for Independent Contractors and Staffing Managers