Imej profil zhangyingtai
Penanda China Dandong, China
Ahli semenjak 19 Februari 2017
1 Cadangan


Dalam Talian Luar Talian
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
78 ulasan
  • 99%Kerja Diselesai
  • 94%Mengikut Bajet
  • 96%Tepat Pada Masa
  • 18%Kadar Ulang Upah


Ulasan Terkini

  • Imej lancesaikung Project for Yongtao J. -- 4 $200.00 AUD

    “Always reliable and efficient”

  • Imej remrevamp TORNEW tool €350.00 EUR

    “excellent professional. very fast. delivery in advance. pleasant person to work with.i will hire again”

  • Imej halisemre Algorithm to spot pricebreakouts python $7102.27 USD

    “Yongtao has developed a very complex stock trading system using Python. He very well knows what he is doing. The code that he creates are bug free, flawless and well organized. I have never worked with a developer as good as Yongtao. I will definitely be working with him in the coming projects. [21 May, 2018] The best I have worked with.”

  • Imej ameeen Python developer required $150.00 USD

    “Will work again :)”

  • Imej dogdreamx Name-matching algorithm and data cleaning work using Python $13000.00 HKD

    “Highly recommend. Very professional, patient, and reliable.”

  • Imej DataParser Make a python parser for ascii file format $1323.00 USD

    “Yongtao J is very professional, delivers on time and on specification.”


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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