China旗标 Dandong, China
3 人推荐


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Hi I am a senior python, mobile and backend developer with 8 years of professional experience. My experiences are - Data Visulization o Libraries: bokeh, matplotlib, , d3.js o Projects: road networking system, car-bike relationship - Machine Learning o Libraries: Tensorflow, Scikit-learn, Pytorch, Pandas, Numpy o Models: CNN, RNN and RNN o Projects: Car Distance Detection, Image Classification, Price Prediction Model - Web Development o Django, Flask, AngularJs, VueJs, NodeJs o Projects: , , - AWS S3, EC2, DynamoDB and SWF - Web Scraping o Scrapy, Requests, BeautifulSoup and Selenium o Aliexpress, Pipl, Secfilling and CAD sites. o Facebook, Instagram and Twitter - Server Administration Automatic deploying with Fabric and Ansible - iOS/Android app develoment(Native and Hybrid) - Backend Web Service development If you are looking for agile and reliable python and mobile developer, that's just me. I will do my best for the project. Thanks.
$25 USD/hr
  • 99%完工率
  • 88%按预算
  • 96%按时性
  • 15%重雇率



  • Martin M.的图片 copy and paste email address into excel file $750.00 USD

    “On time, good communicator, project completed on time.”

  • Darsun R.的图片 Sports Betting API £398.95 GBP

    “Yongtao is an exceptional freelancer. It is clear why he has so many 5* reviews. He created me a complex sports betting odds database, based on many conditions, that is constantly refreshing 24/7. He showed a lot of skill to get to grips with the betting API and deliver the final product on time and at a very fair price. He was able to overcome any obstacles and was polite and professional at all times. His coding is perfect. I would recommend everyone to hire Yongtao”

  • Abdulelah A.的图片 Project for Yongtao J. $700.00 USD

    “Impressive and amazing knowledge with natural language processing, especially CNN. He finished on time and answered all my questions. I will defiantly hire him again if I needed help with NLP or machine learning field.”

  • Santiago B.的图片 Product matching by title and image £698.00 GBP

    “First time at Freelancer and wasn´t expecting this quality. Yongtao is a really serious and reliable freelancer, thanks!”

  • Ds S.的图片 Web scrape of homedepot.com $300.00 AUD

    “Yongtao did an incredibly good job. Very professional. Easy to communicate with.”

  • Charles H.的图片 Sentiment Analysis of tweets by multiple users on Twitter £185.00 GBP

    “Good work and within time”


Data Miner

Feb 2008 - Dec 2015 (7 years)

I was responsible for scraping data from various sites. Our company could make a plan based on the data.


Master of Applied Science

2004 - 2008 (4 years)


  • Preferred Freelancer Program SLA
  • Python Level 2
  • US English Level 1
  • Python Level 1


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