Profile image of kongxiangjia
Flag of China Dandong, China
20 人推荐


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I have over 8 years of development and implementation experiences over 180+ apps from small applications to large scale & complex enterprise solutions . You will find me easy to communicate with to an extent by which you may be surprised, but that is because I believe only a dedicated connection with my employer can lead to truly extraordinary creations. I don't know "impossibility" during development. ===== Strong Skills ===== + Android SDK, Android 2.3 - 7.0 Development + iOS SDK, iOS Development(iPhone & iPad) + GIS , Google map, Arc GIS, Here Map SDK. + PHP, Laravel, CodeIgnitor,Zend, WordPress, Zoomla + Databases: MySQL, MS SQLServer, SQLite, MongoDB + Augmented, OpenCV, OpenTok, Optical Character Recognition + XMPP (Ejabberd, Openfire, MongooseIM). + WebRTC, Websocket, SocketIO + JavaScript, jQuery, AngularJS + Html, CSS, Twitter Bootstrap, LESS, Gulp + Cloud Platform: AWS and Azure + Payment Gateway: Paypal, Stripe, Braintree
$50 美元/小时
  • 94%完工率
  • 99%预算內
  • 99%准时性
  • 17%重雇率



  • image of darrylsch Mobile development $840.00 USD

    “Actually this project took longer and cost more than I planned. From this experience I have learned to take more time and care with the specification, which wasn't clear enough this time. LiB was patient and completed the project despite the vague specification.”

  • image of lightwater04 youtube clone Android APP $2955.00 USD

    “Nice work. Hope to hire again.”

  • image of Deepti S. Project for Li B. $500.00 USD

    “Li B is nice to work with. We can communicate easily and complete project as required without problems. Thank you.”

  • image of trafficapp Mobile development -- 3 $2250.00 USD

    “She was very patient with me...I actually held her up on the progress of this app....Will defenietly use again!”

  • image of vehbiragip Mobile development $615.00 USD

    “She is a dedicated, trustworthy and helpful programmer. She helped me during the project and gave good feedbacks.”

  • image of tjee0512 Project for Li B. $2250.00 USD

    “Did a great job as always.”


Mobile Developer/Team Lead

Jul 2007 - Jan 2012 (4 years)

I have developed android and IOS apps, website at this company for 5 years. I devloped BillBoard(utility app),CloudRider(game) in six month. And I joined the research of Computer Vision.



2002 - 2006 (4 years)


C++ Fundamentals (2010)




Image tampering detection based on stationary distribution of Markov chain

With the development of image editing software such as Adobe Photoshop, digital image can easily be manipulated and hardly detected by human eyes. If we take this issue for granted, it may eventually be harmful for our digital world, especially for the credibility of news coverage. Many researchers have worked on image forensics and a number of image tampering detection techniques have been proposed in recent years.


  • US English Level 1
  • Preferred Freelancer Program SLA
  • Numeracy 1


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