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Flag of China Dandong, China
Member since May 18, 2018
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Hello, Thanks for looking at my profile. My name is Jin Jin. I have been developing Web/iOS/Android apps for more than 6 years, so I have lots of experiences. I developed many mobile apps till now including social networking apps, dating apps, photo sharing apps, messenger apps, shopping apps, etc. I have also already mastered new Swift language and I am a guru at Java. I have received a Sun Certified Java Developer certificate. I also have lots of experiences with backend using RoR, Parse, Firebase, Amazon Web Services. Best Regards, Jin Jin
$50 USD/hr
1 review
  • 100%Jobs Completed
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Recent Reviews

  • image of Miguel V. programador android $100.00 MXN

    “He is a very responsible, diligent, punctual person. He helped me a lot, more than I could have expected. I recommend he a lot. All my requirements were satisfied”


Mobile App Development

Jan 2015 - Nov 2017 (2 years)

I had made several apps so far such as contents management app, chat app, delivery app, TV remote control app, BLE app, Wearable app, phone lock app, shop app, fingerprint, Social media app, camera/photo app, location based app, pdf reader, in app purchase etc.


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