Profile image of progcgstar
Flag of China Hangzhou, China
Member since June 15, 2017
13 Recommendations


Online Offline
As a mobile/web/desktop programming expert with 12+ years of experience and powerful mathematics basics, I always have designed and built awesome software products based on the strong logic and abstraction. I regard keeping time and quality as the most important one while developing. Any client will get the perfect one finished from me for any project. Langauge & Skills: - Web * Django/Flask * PHP(Laravel, CodeIgnitor, CakePHP, Yii, Zend, Wordpress, Joomla, Drupal) * JSP, Spring+Hibernate(Mybatis), JSF * Node.JS(MEAN&MERN) * ASP.NET Typescript, Javascript(Angular, React.JS, Vue.js, [login to view URL],D3.js,Bokeh) Html5/CSS3 - Mobile & Game *React Native *Android(Kotlin, Java) *iOS(ObjectC, Swift) *Hybrid(Ionic and Xamarine) Cocos2d/Unity3d - Desktop & AI & Blockchain, Cryptocurrency & Trading Bot & OpenCV && FFMPEG *C/C++(MT4, 5)/C# *Python/R *Java/JavaEE *Electron * Machine Learning & NLP(Natural Language Processing) Game character/background design
$60 USD/hr
100 reviews
  • 100%Jobs Completed
  • 98%On Budget
  • 87%On Time
  • 21%Repeat Hire Rate


Recent Reviews

  • image of Varalaxmi K. Need help for the code $80.00 USD

    “Completed work before the allotted time. Excellent programming skills. Definitely the person with whom I would like to work in the future. Simply perfect.”

  • image of Robert K. Need a python developer to build web app using django and python $100.00 USD

    “She was great in communication and doing the project as well. Very easy to work with and i HIGHLY recommend Yong for your project needs. Would definitely hire again.”

  • image of Ibra K. Text Review Machine Learning $150.00 USD

    “working with her is great and she do a good job”

  • image of Christopher B. Project for Yong D. $250.00 USD

    “The project went well. I would be happy to hire Yong D. again.”

  • image of Askender A. Useful program in C++ $75.00 USD

    “I would recommend everyone to hire Yong. She knows what she is doing and she would make sure that you would get what you asked her to do. Also she is available for any questions you have.”

  • image of Jason K. Project for Yong D. -- 2 $260.00 USD

    “An outstanding worker who follows directions precisely and makes useful suggestions for how projects may be improved. Cannot recommend highly enough.”



2013 - 2017 (4 years)


  • Preferred Freelancer Program SLA
  • C++ Level 1
  • US English Level 1


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