Profile image of chengcaijin
Flag of China Dandong, China
Member since 28 Mart 2017
2 Tavsiye


Çevrimiçi Çevrimdışı
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 :)
$44 USD/sa
57 değerlendirme
  • 100%Tamamlanmış İş
  • 96%Bütçe Dahilinde
  • 98%Zamanında
  • 22%Tekrar İşe Alınma Oranı


Son Değerlendirmeler

  • image of singh1a VERY Experienced SENIOR IOS Developers Wanted ASAP. -- 2 $1496.90 AUD

    “Very Happy with ChengCai. He completed our project well and his communication was very prompt. We will hire him again.”

  • image of robkmoon43 Deploy my Unity video game to Apple App Store and Google Play Store $894.56 USD

    “This was my first time using a freelancer to help me deploy a Unity Video Game project to the Google Play Store and Apple App Store. Wang F. worked tirelessly on the project and deployed the app on schedule. He was very honest about the whole process, and explained to me answers to questions I did not know the answer to. He was meticulous and detail oriented on all aspects of the project, and produced a deliverable that exceeded my expectations. He is amiable and easy to talk to. He also understands complications that might arise from difficulties working in two different time zones/countries. His English is perfect and I never had any communication problems with him. I am incredibly excited about the project that Wang F. has helped me deliver, and I would definitely hire him again to work on future projects.”

  • image of edwin42ocket Write a group system using our theme and our backend 2 kr5000.00 SEK

    “A great experience”

  • 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.”

  • image of gsibbettsl Create Simplified, Secure Website $335.00 USD

    “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.”


IT Manager

Jun 2015 - Feb 2017 (1 year)

I've worked as a Project Manager.

Mobile Developer

Apr 2012 - May 2015 (3 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)


  • Preferred Freelancer Program SLA
  • US English Level 1


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