Profile image of ppgjsc
Flag of China Dandong, China
Member since October 8, 2016
0 Recommendations


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Welcome to my profile! I am a master in mathematics and I have been developing windows programming which has some engine for over 10 years. We have so many engines and products in image processing and audio processing. ✅Chroma key, Face detection, Human tracking, ✅Audio synthesizer, Audio Effects(Eq, Reverb, Compressor), Rendering sheet music, subtitle rendering for karaoke. And I am a Mobile/Web developer with over 10 years experience in Mobile/Web application development My expertise: ✅ iOS/Android application development, Swift3, Swift2, Objective-C, Java, Qt ✅ Hybrid application (Ionic 4/3/2 framework, Phonegap) development ✅ Website (Ruby on Rails, WordPress, Laravel, React.js, AngularJS) development ✅ Web Scraping(Python, C#) ✅ Window application(C++, C, Qt, C#, Please contact me at any time so we could discuss your project. I guarantee high quality and fast delivery. Thank you.
$27 USD/hr
18 reviews
  • 100%Jobs Completed
  • 99%On Budget
  • 99%On Time
  • 14%Repeat Hire Rate


Recent Reviews

  • image of BradAPR Project for Cui D. $100.00 USD

    “Amazing, fast, intelligent developer with a wonderful skillset. Will hire again!”

  • image of memcculloch13 Make Simple Calculator App more Adaptive - 02/05/2018 15:05 EDT $200.00 USD

    “Great and dedicated programmer.”

  • image of princess1231 Project for Cui D. -- 18/04/07 1:00:20 pm zł694.00 PLN

    “Amazing work for sure its not my last time with him , highly recomended”

  • image of Tatyana G. Project for Cui D. -- 3 $500.00 USD

    “He did great work for me again I highly recommend him !”

  • image of Tatyana G. Project for Cui D. -- 2 $66.00 USD

    “Cui D did great job for me . Very professional and skillful developer . I am very happy with his job and would hire him on my next project . I am sure i can not find better developer than him . Thank you for working on my project”

  • image of carlosb882 Ayuda para cosas sencillas en C++, Qt5 $105.00 USD

    “Cui is a very serious person. It has helped me correctly to reprogram code in C ++ that was impossible for me. I recommend it totally and I plan to hire it again.”


Mobile Developer

Feb 2005 - May 2017 (12 years)

I worked as a mobile developer.


Master's Degree

2007 - 2011 (4 years)


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