Profile image of Jzf1978128
Flag of China Yanji, China
Member since April 24, 2018
3 Recommendations


Online Offline
Hello, everybody! Thanks for visiting my profile! I have developed many mobile applications for 6+ years and I have a rich experience and a great eye for software development. "Best quality, Best speed, Best service", this is my business manner. * My skills: • Native Platform(Android/iOS) • Hybrid app developing(React Native/Ionic/PhoneGap) • Backend API building & Admin Panel • AWS/Firebase • Facebook/Twitter/LinkedIn/Google Plu/Instagram SDK/Flutter SDK • C# programming/web developing(Laravel, CodeIgniter, JavaScript) * My delivery: •6 month's free supporting after developing application •Strict to the deadline •Daily communication based on client's timezone •Always keep long-term and good relationship with clients
$30 USD/hr
40 reviews
  • 90%Jobs Completed
  • 82%On Budget
  • 96%On Time
  • 7%Repeat Hire Rate


Recent Reviews

  • image of Xiaoxuan Z. Build a World's Universities Ranking App $70.00 USD

    “Great work and great communication, very professional.”

  • image of NovemberMan7 Android Java - Add Volume Detection to Frequency Detection App $80.00 USD

    “Did the job. Yet, too many problems I will avoid mentioning. I do not recommend it.”

  • image of aktiespan Project for Jin Z. -- 2 $2000.00 USD

    “We are very pleased with the work done and want to work a lot more with Jin Z, feedback is good and we have also had many good ideas on the road from Jin of the project. Jin has always listened to our needs and developed good solutions for everything. I can definitely recommend Jin for your project.”

  • image of shoaibirshadch Looking for Android developer to update SHA1 Certificate $20.00 USD

    “It was great working with Jin, He was quick to resolve my issues and provided great customer service. He is obviously up to the standards.”

  • image of avinformatica Activate file upload in webview in the existent project €250.00 EUR

    “Very experienced in application development. He solved a problem he had very quickly.”

  • image of Hallerton Project for Jin Z. £50.00 GBP

    “I have re-hired Jin as he has been extremely professional always. He is able to develop an app from scratch both for Apple and Android and we are very happy with his services.”


iPhone & Android App Developer

May 2011 - Sep 2014 (3 years)

I have worked with my fellows for about 3 years there. I have experienced in iOS and Android application development.



2006 - 2010 (4 years)


  • Preferred Freelancer Program SLA
  • US English Level 1


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