Image de profil de zhangyingtai
Drapeau de China Dandong, China
Membre depuis le 19 février 2017
1 Recommendations


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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 $ US / h
59 commentaires
  • 100%Travaux complétés
  • 95%Selon le budget
  • 91%Dans les temps
  • 18%Taux de Réembauche


Avis récents

  • image de freelancer8309 Project for Yongtao J. $225.00 USD

    “Great Job!”

  • image de davidebrioz Optimize an existing python scraping €300.00 EUR

    “all perfect”

  • image de sadusuma Python dataset $50.00 USD

    “He delivers work on time, very professional and understanding about what requirement is about.”

  • image de halisemre Python script $350.00 USD

    “Very nicely done. He is a good programmer. He is motivated on fixing the issues. His code had no errors whatsoever”

  • image de AndersonGrafik JS / Python Project Part 1 $250.00 USD

    “Truly professional and informative developer with prompt replies and a good standard of work. Will happily work with Yongtao again on a future project. A+ highly recommended.”

  • image de Annsta1 change code to read data from different source £185.00 GBP

    “Very skilled and understanding, great work!”


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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