Profile image of jangjinmei728
Flag of China Dandong, China
Member since July 28, 2017
5 Recommendations


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Thank you for considering me for your project! I have been worked as a freelancer for 3 years after being away 8 years in a salaried position. I'm extremely reliable and will always deliver quality work on-time and at a reasonable rate. Relationship with clietns is important, so I am always looking for long-term relationship. You can expect good communication from me, because I work as full-time freelancer at home and my phone is always on my hand. I provide you Software Architecture, Development, Testing and Bug Fixing, Maintenance, Web App Development, Mobile App Development. My Skills: ✔ Language: C++, C#, Java, Swift, Objective C ✔ Cross Platform: React Native, Ionic ✔ Backend: PHP, Laravel, Node.js, RoR, Django/Flask ✔ Frontend: React,/Redux Angular, Vue, Bootstrap, Material ✔ Database: MySQL, PostgreSQL, MongoDB Please feel free to shoot mea message and let me know if you have any questions. Thanks!
$30 USD/hr
92 reviews
  • 98%Jobs Completed
  • 98%On Budget
  • 85%On Time
  • 18%Repeat Hire Rate


Recent Reviews

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    “Great job delivered !”

  • image of Ali J. Project for Xiaoming Y. $450.00 USD

    “Xiaoming is always good. I will continue work with him.”

  • image of Ali J. Project for Xiaoming $500.00 USD

    “"Xiaoming, did really a fantastic job. And finished complicated project assignment within a short period of time. I will definitely look to hire him in near future."”

  • image of Ali J. Bug Fix - Urgent $600.00 USD

    “XiaoMing is genious! It is not easy work. But he understood what I want and completed on time. I will work with him again. Awesome+++”

  • image of Alex B. Project for Xiaoming Y. $50.00 USD

    “Great work, would work with freelancer again”

  • image of Alex B. App Development $3072.00 USD

    “He was able to complete project but took longer than expected.”


Senior Mobile and Web developer

Mar 2010 - Jun 2017 (7 years)

I have developed mobile and web in this company for 7 years. Since 2014, I was a leader of mobile solution team and made a lot of websites & mobile production using different framework in various platform. Since July 2017, I became a full time freelancer.


Bachelor of Computer engineering

2006 - 2010 (4 years)


C++ Fundamentals (2010)




A new edge detection algorithm for flame image processing

Digital image processing is playing an increasingly important part in imaging based flame monitoring systems. A crucial step in flame image processing is to detect the flame edge, a dividing boundary between the area where there is thermo- chemical reaction and those without. The determination of flame edges is a precursor to flame image processing and measurement of flame parameters.


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