Profile image of Piao217
Flag of China Dandong, China
Member since December 9, 2017
11 Recommendations


Online Offline
I've been working with a steady manner for various sized projects. Sincerity and ability to take responsible for my own words are all I have. - Deep knowledge of maths, as an MSc. in Probability&Stats. - Expertise in Mathematical Finance - Desktop application developer - Expertise in Algorithm Trading and Spread Trading - Trading Bot (Arbitrage) - Business system/Office automation/Web API/Database - Web automation/scraping - Solid experience in cross-platform desktop app dev - AI, Machine Learning - 3+ yr exp. in ACM/ICPC (Algorithm) - 2+ yr exp. in Image Processing/Music synth - 15+ yr exp. in C++/C# - Python/Angular/React/.NET core I promise high-quality results in: - Mathematics, Finance, Statistics - Algorithm, Machine Learning - MetaTrader, NinjaTrader, TradingView - Office Automation (Excel/PDF manipulation, Barcode/QR integration) - Desktop app for Windows/Mac(Photobooth/Kiosk) - Web Scraping/Automation(Betting bot) C#/C++/Qt/WPF/Java/MQL/Python/React/Django/PyQt Thanks.
$70 USD/hr
162 reviews
  • 98%Jobs Completed
  • 95%On Budget
  • 93%On Time
  • 14%Repeat Hire Rate


Recent Reviews

  • image of Kurt S. Project for Wang C. $100.00 USD

    “Wang is an outstanding developer and was an absolute delight to work with. Will hire him again.”

  • image of Tri N. Custom photobooth application using webcam $1000.00 USD

    “I'm very pleasure with his work. On time and excellent work. Highly recommended for green screen processing projects”

  • image of John T. Web Scrape -- 2 $350.00 AUD

    “Worked hard, happy with result.”

  • image of Rick S. Project 19277450 has been deleted €250.00 EUR

    “Really fast response and friendly communication, Could not be better.”

  • image of Nordin S. I need MT4 programmer expert $350.00 USD

    “I'm very happy to work with Wang.C. He is very helfull person . He could deliver project earlier than my expectation. Great!! Excellent!!, Amazing !! That are the only words I can say to him during the delivery of my tasks.”

  • image of Larry H. Update WinForm Application $755.00 USD

    “Wang is an extremely talented developer. We've hired over 20+ other developers here on FreeLancer but Wang is by far the best. Looking fowards to a long term relationship! A++++ 10/10”


Image Recognition Using MATLAB

Mar 2016 - Jan 2017 (10 months)

Contact me...It's not all

Singing Voice Synthesis for Commercial Purpose

Jul 2015 - Mar 2017 (1 year)

We developed a modern singing voice synthesis engine which is similar to Yamaha's Vocaloid. It's still in the progress. We have owned the high-tech and know-how in the field of singing voice synthesis.

Chroma-keying and Virtual Stage Project for TV Company

Sep 2014 - Sep 2016 (2 years)

We developed a state-of-art chroma-keying engine for real-time broadcasting in TV company. It was a perfect project. Contact me for details...


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