Profile image of needman
Flag of China Jilin, China
Member since September 15, 2011
11 Recommendations


Online Offline
Main Skills :: GPS tracking, BLE communication, Video & Audio Editing, OpenCV, OCR, Face Landmark, Using Kotlin, java for Android, Swift, Objective - C for IOS, Cross Platform (Hybrid and NativeScript for mobile, React Native and etc), PWA , PHP, Node.JS etc I am a senior world class developer who has full experience with 12 years in IT department I have graduated Xiamen University that is the famous one in our country and I have worked in the IT industry for 9 years. I have developed so many android and ios and web services and they live in popular with 5 stars ratings. My main skills are android and ios and web programming but also almost IT technique problem-solving. If you open chat with me, you can see my beautiful apps I developed. Regards.
$50 USD/hr
182 reviews
  • 98%Jobs Completed
  • 97%On Budget
  • 96%On Time
  • 20%Repeat Hire Rate


Recent Reviews

  • image of Lim R. Retail Point of Sale Software ( Pos Software ) $500.00 USD

    “I personally think Jin is amazing. He understand and make sure that i got everything as i wanted. He delivers them quickly, communication is also easy. A very skilled young man, that you can trust for your app development. highly recommended! Jin, really thankyou for delivering as expected. Will do more works with you soon !”

  • image of Abdulmageed N. Modifying current app $1500.00 USD

    “He is very nice person and very smart i recommond him to work with any one, i like to keep working with him in the future”

  • image of Abbas T. Simple OCR project for Jin M. $1150.00 USD

    “Professionalism very high, jobs was done before the deadline. Will prefer on my next projexts”

  • image of Oledibe C. Build Android VPN and Provide Source Code $2500.00 USD

    “jin knows exactly what he is doing, and does the job as you would want. ++”

  • image of Terence D. IOS and Android apps $5500.00 USD

    “Excellent work! Very professional!”

  • image of Khalil M. Build a custom Android Keyboard [Sealed]

    “I was afraid at the begining, but completely satisfied at the end!!!! Jin is professional and kind. He can do everything. I will hire him again.”


Mobile App

Mar 2009

Main projects are android image processing app, mobile game(android, iphone), mobile social network service , ...



2002 - 2006 (4 years)


Second place in contest (2006)

xiada student science association

I have learn computer science in university. In 2006.4, i have taken second place of same grade students on object modeling contest.


Study on Quality Measurement Plans Based on Resource Management Functions in BcN Environment

In this paper, we analyze BcN resource management functions(RACF, SSW, IMS), and provide the quality management structure based on RACF and quality measurement scenario. We present quality management plans based on RACF to support BcN service quality management efficiently.


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