jin nan
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jin nan

Excellent Mobile (iPhone/iPad/Android) Expert with Highest Quality


Beijing, China


Thanks very much for visiting my profile page. I am one of the highest rated developer in oDesk with 9300+ hours and 90+ projects history. I am an individual developer with highest quality and communication on Mobile Development Area. No matter where you are in the world, you won't have problem with this language barrier since my English is Native. I was a professional software engineer with more than 8 years of experience in various fields of software development, especially Image and Video Processing engines, Online Game engines and Desktop Projects and Websites for big commercial companies till 2007. Since 2008, I've been creating high ... morequality and excellent mobile applications for the latest 5 years. Through the work for mobile for 5 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 5 years I've created large apps for big companies and individual customers in mainly US, Canada, Australia, UK, Denmark ,China and Japan. 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 Responsibility : - Detailed technical analysis for your all requirements - Pixel level UI work - Fully dedicated to your project with a keen eye for detail - Produce a solid, detailed technical design - Write clean, modular, robust code to implement the desired requirements - Fast turn around - 100% ongoing satisfaction for your project. - Contribute ideas for making the application(s) better and easier to use - Free Bug-Fix support for 3 month after completion - 100% money back guarantee if not satisfied for any reason My Skills and Expertise : - iPhone SDK, Android SDK, Objective C, Java, Xcode, iOS6, iPod, iPad,Cocoa, Cocoa-Touch, Eclipse - Super level UI customization, suggestion of best user friendly - Google API, GPS, Google Map Service, Foursquare, Apple Map API, MapKit, Geolocation - Social Networking Integration, Social sharing, Community - Photo processing, filtering and effects, Caption - Video/Audio Streaming and Processing, Pattern recognition. - In App Purchase, Paypal, Fashion, IAP, E-commerce, Commerce, ePayment - OpenGL ES, OpenCV, Animation, CoreGraphics, GPUImageFramework, CoreData, CoreText - Web services, PHP, HTTP, JSON, XML, RSS, SOAP, HTML, HTML5 - SQLite and MySQL database - Facebook, Twitter, Youtube, Tumblr, Flickr, Instagram, Google plus - Calendar, Alarm, Reminder, Push Notification and Local Notification - Business analysis system like Flurry, rich experience of POS mobile app development - Source Repository, Testflight, Github, SVN, BitBucket If you are interested me, feel free to contact me. Thanks, Jin. less

jin nan has added 21 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Aug 2013 - Sep 2013

    Mobile app using Google Maps API

    No feedback given

    $33.33 / hr
    $1.00 earned

  • Dec 2012 - Mar 2013

    iOS/Android App Development
    261 hours
    $33.33 / hr
    $8,704.80 earned

  • Jul 2012 - Jan 2013

    Iphone App Developer needed to build app
    Jin was a willing and keen worker. He was always around to discuss issues, and would work around my timezone for meetings. He did the job as asked. I would re-hire him again.
    $2,555.56 earned
    Fixed Price

  • Jul 2012 - Oct 2012

    iPhone/iPad Programmer Needed for Photo Caption App Project
    Jin was very easy to work with and always delivered good results in record time. I highly recommend him and look forward to working with him again in the future.
    $1,666.67 earned
    Fixed Price

  • Jun 2012 - Aug 2012

    Highly skilled iOS developer photo app
    $1,722.22 earned
    Fixed Price

  • Jul 2012

    iOS Pitch Detection App
    We decided to go ahead and move the development of this work in-house. We expected that this would be a fairly easy task to accomplish, but that turns out not to be the case. Thanks for your help and sorry to have to end the contract so soon. -et
    5 hours
    $35.56 / hr
    $177.80 earned

  • View More (18)

jin nan has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
JavaScript 1.8 Test 5.00 1st Place! 11 mins
Mac OS X 10.5 Test 5.00 1st Place! 11 mins
Magento eCommerce Test 5.00 1st Place! 5 mins
RSS 2.0 Test 4.20 Top 30% 5 mins
JSON Test 4.90 Top 20% 17 mins
MySQL 5.0 Test 4.90 Top 10% 24 mins
Networking Concepts Test 4.50 Top 10% 7 mins
XML 1.0 Test 4.75 Top 30% 14 mins
iPhone Programming OS 4.0 Test 4.90 Top 20% 15 mins
Cocoa programming for Mac OS X 10.5 Test 4.60 Below Average 14 mins
Objective C Test 4.10 Top 30% 14 mins
Programming with C Test 3.75 Top 20% 10 mins
PHP5 Test 4.40 Top 10% 26 mins
U.S. English Basic Skills Test 4.90 Top 10% 15 mins
Java Test 3.40 Top 20% 32 mins
Knowledge of WordPress 3.1 Skills Test 3.00 Below Average 17 mins
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Work History

9,463 hours worked
81 jobs


More than 30 hrs/week


Phone Number: Verified

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