Profilbild von kongxiangjia
Flagge von China dandong, China
Mitglied seit August, 2012
15 Empfehlungen


I am an senior mobile expert who is developing with not only Android and iphone native apps but also web service managements with back end as well for 7 years . I have successfully delivered 100+ Apps for clients across 50+ countries in domains like healthcare, e-commerce, social network, chat app, food delivery apps,game apps, Location services, photo editing & sharing, RESTful serivce , entertainment, telecom, media etc I have delivered a lot of mobile apps with high quality, fast speed, and kind maintenance. I don't know "impossibility" during development. Here are my working styles. 1) I always keep client's requirements as rule and will not want to get paid if client don't like result. 2) I can be available anytime if you want. 3) I am able to send daily report or commit source 4) I will absolutely keep deadline with perfect features. I always will actualize your ideas. Please hire me. Thanks.
$50 USD/Std
106 Bewertungen
  • 92%Aufträge abgeschlossen
  • 99%Budgetgerecht
  • 98%Termingemäß
  • 16%Wiedereinstellungsrate

Neueste Bewertungen

  • Bild von tdalzell Write some Software $1000.00 USD

    “Very professional and super good communicator! A+”

  • Bild von hotchefone Project for kongxiangjia -- 3 $350.00 USD

    “She did the job very fast and did great work. She was patient with my low level of understanding and responsive to my questions. The English is good so that was also helpful. I will continue to use her for future projects and recommend her 100%”

  • Bild von guillermoborel Write an Android application $15400.00 USD

    “Excellent developer. He is really flexible and understands fast the requirements. He makes hard work and always tries to help employer solve the problems. Really solid in mobile technologies. and makes fast deploys. He is almost always available no matter time difference and always tries to be available during your local time so it is easy for you to talk. Great communication understands perfect english which makes things easier. [16 November, 2016] It was really good developer, and did hard work, good results! [16 November, 2016] This is a great developer. Always understanding the needs of employer and really flexible and with common sense. He developed on time and make really hard work to reach objectives. I will hire again definitely. He has great communication skills and is almost always available, no matter time differences and hour of day. [17 November, 2016] all good with this project! [17 November, 2016] all good with this project! [17 November, 2016] all good with this project! [12 December, 2016] As usual, freelancer made a great work on his task! [18 December, 2016] Great developer, great work and great results!!”

  • Bild von alberto727 Street Augmented Reality $3000.00 USD

    “Good work so far”

  • Bild von vw7492458vw Android Image Gallery $600.00 USD

    “kongxiangjia did an excellent job coding my Android Image Gallery project. She showed a high level of knowledge and expertise related to Android mobile coding. The project was done quickly and delivered on-time. Kongxiangjia communicated constantly, letting me know how progress was being made. She was able to take my design and code it into what I wanted with minimal interaction required by me. We will definitely be using Kongxiangjia for our other projects.”

  • Bild von steveoflynn Write an Android application $850.00 USD

    “It was delivered on time and on budget.”


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)




A new edge detection algorithm for flame image processing

Digital image processing is playing an increasingly important part in imaging based flame monitoring systems. A crucial step in flame image processing is to detect the flame edge, a dividing boundary between the area where there is thermo- chemical reaction and those without. The determination of flame edges is a precursor to flame image processing and measurement of flame parameters.