Profile image of chengcaijin
Flag of China Dandong, China
Member since 28 Mac 2017
1 Cadangan

Your Best Friend!

Atas talian Luar talian
Welcome to my profile !!! Producing the "Highest Quality" work for my clients and to satisfy them 100% completely with work. My Top skills ✅ iOS (iPhone, iPad): Object-C, Swift, XCode ✅ Hybrid : React Native, Ionic, Angular ✅ Android: Java, Android Studio, Eclipse ✅ Web: Node, React, PHP, Laravel, Python, Ruby on Rails, Javascript, jQuery, CSS , AJAX I’ll provide the following service to you during work with you. 1. Daily Report. 2. 100% client ongoing satisfaction with perfect quality of product. I’ll provide the following service to you after complete project. 1. support fixing bugs with free. ( Collateral term : 6 months ) 2. support update features with low price. Thank you :)
$37 USD/jam
54 ulasan
  • 100%Kerja-kerja yang Telah Disiapkan
  • 94%Mengikut Belanjawan
  • 97%Mengikut Masa
  • 23%Kadar Ulang Upah


Ulasan-ulasan terbaru

  • image of Bidzina C. Project for Wang F. $150.00 USD

    “Very fast and professional! Excellent work. Really appreciated. Will continue to work again for the other projects.”

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    “Good developer”

  • image of LinkHealthGroup Swift 4 - Amend Extension Function £60.00 GBP

    “Wang was fantastic, super professional and incredibly responsive, well worth the money and I will definitely use him again for future projects.”

  • image of rickymindanao Project for Wang F. $300.00 USD

    “delivered even when times got a bit stressful”

  • image of secondphase Project for Wang F. -- 2 $510.00 USD

    “Great response.”

  • image of rickymindanao Laravel Project: Scheduling & User Management System $500.00 USD

    “He is one of the better developers you might find online. He is very patient and works through problems that a communication barrier usually might hurt. Great work so far looking forward to the next project.”


IT Manager

Mar 2017 - Nov 2017 (8 months)

I am working as a Project Manager for iOS/Android Mobile app development and backend development. I've developed and published lots of iOS app such as News, Music, Photo & Video, Finance, Education, Health & Fitness, Travel Social Networking etc.

Mobile Developer

Apr 2012 - Dec 2016 (4 years)

I have got lots of experience iOS/Android application development with Objective-C, Swift, iOS SDK, Cocoa, Local and Push-notification, In-App purchases, Core Image, CoreData, CoreAnimation, CoreGraphics, Image Processing, Video Processing, Social Network, REST-API, JSON, CocoaPods, git I have developed lots of iOS apps perfectly and they are available in Apple Store.


Bachelor Degree

2003 - 2007 (4 years)


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  • US English Level 1


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