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



  • Abdulelah A.的图片 Project for Yongtao J. $200.00 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”

  • Ds S.的图片 Web scrape product information from Lowes $200.00 AUD

    “Yongtao's work was exceptional. He provided a professional grade extract of data using tools that are best in class (docker, python 3, scrapy). This made it very easy to use. The dataset was exactly as requested. The script was also exactly as requested, and worked immediately after receiving it. I can definitely recommend Yongtao to others.”

  • Andrew B.的图片 Natural language processing - compare similarity of documents $705.00 USD

    “Yongtao was great to work with. He communicated well regarding deadlines and questions about the tasks. When the code needed minor adjustments, he understood what i needed and was able to make them very quickly. I highly recommend Yongtao.”


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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