Imagen de perfil de luoxin0125
Bandera de China Yanji, China
Miembro desde 25 de abril de 2016
2 Recomendaciones


En línea Desconectado
Professional Mobile app and Web developer with 8+ years' experience in iOS and Android & PHP and MySQL and JavaScript technologies. I have been developing iOS and Android apps and Website since 2009, So I have 8+ years of experience in developing mobile applications and web. I have developed 50+ apps for 8 years and most of them is on the itunes and Google play store. My skill set: - Native: iOS, Android(Objective-C, Swift, Java) React Native - Development Tool: Xcode, Android Studio, Eclipse (cocoapod, gradle) - Web service: Ruby on Rails, PHP, , XML/JSON, REST/SOAP, - Device Kit: BLE, iBeacon, NFC, credit card reader, MIDI - Cloud backend: Parse, Amazon, FireBase etc - Database: MySQL, SQLite, MongoDB, DynamoDB - Payment Gateway: Paypal, Stripe, Brantree, In App Purchase - Social Framework: Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo - Map Kit: Google Map, Geolocation, GPS, Open Street Maps - Repository Management: GitHub, BitBucket, SVN
$35 USD/hr
17 comentarios
  • 88%Trabajos finalizados
  • 91%Dentro del Presupuesto
  • 100%A tiempo
  • 10%Tasa de recontratación


Comentarios recientes

  • imagen de Oleksandr I. Project for Cheng J. -- 2 $200.00 USD

    “Great freelancer”

  • imagen de Oleksandr I. Project for Cheng J. $25.00 USD

    “Great worker! I keep hiring him back because he delivers what I want. Very reasonable man. Easy to work with. Definitely hire him!”

  • imagen de Oleksandr I. React Native developer $30.00 USD

    ““Cheng is a great worker and I'm happy to be working with him. He delivers quality work every time. I know what to expect when I hire cheng, and that's why I keep hiring him! I would highly recommend him for your next project””

  • imagen de Ali Abrar M. Need to develop Andriod or ios $199.00 USD

    “she work for andriod well but not for iphone app and she is not able to reply she took almost 2 month but not able to complete”

  • imagen de davb Add File Download from Web Service to small React project. $77.50 USD

    “Cheng delivered some of the results I needed. He realized it was more than he expected (although within the details provided) so didn't want to continue. So, I paid some for what he did and will try to figure this out on my own. He was pleasant to work with. Not real easy to understand sometimes but we were able to communicate eventually.”

  • imagen de pasha76 sample react-native program $300.00 USD

    “Thanks for the work delived on time”


Talent mobile & web app developer

May 2009 - Apr 2015 (5 years)

Over last 6 years I had developed many project as followings: Mobile App development (android & iphone), web programming(PHP, , HTML5, JQUERY, CSS3), the many program which use DataBase(MySQL, Oracle, MongoDB), Desktop application(C# WPF).


Master Degree

2005 - 2009 (4 years)


Master of Computer Science (2014)

China Jilin Software Association

I received GIS DICO Soft Certificate in 2014


  • US English Level 1


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