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

“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!”
20 hrs @ $40.00/hr
Earned $800

Hunting Application

“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.”
3 hrs @ $40.00/hr
Earned $27

Upgrade Mac App

“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!”
18 hrs @ $30.00/hr
Earned $550

Simple and Basic English Word Games for Iphone

“wonderful contractor to work with”
Fixed Price $100

Application fixes

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

Reservation inquiry Process

“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.”
2 hrs @ $27.78/hr
Earned $56
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