Profile image of polarjin2017
Flag of China Dandong, China
Member since April 22, 2017
26 Recommendations


Online Offline
✔ Professional Web Developer 1) Wordpress/Shopify/Magento/Bigcommerce/Laravel/Core php /Odoo/Ruby On Rails/Django( Front/BackEnd Coding ) 2) Bootstrap/PHP/MySql/Ajax Site 3) API Integration 4) ASP.NET(C#/VB) MVC 5) React/Node/Angular/Flask/Django/Vue JS 6) MongoDB, PostgeSQL, DynamoDB, MySql, MS Sql, Sqlite etc. 7) Apache Cordova/Ionic ✔ Professional Desktop/Xamarin/Flutter Developer 1) C#/VB/JAVA/PYHON/RUBY 2) Excel/Access/Word/PowerPoint with VBA(Macro) 3) Xamarin forms(Android/IOS/WinPhone) ✔ Professional Scrap Developer 1) Selenium/Scrapy/BeautifuSoup based on C#/VB/JAVA/Python/Ruby/Php/Node js 2) Excel Macro IE Scrap ✔ Google App Script 1) Google Sheets/Slides/Doc/Drive API ✔ Automation 1) Auto checkout bot 2) Auto filling bot 3) Automated Action
$50 USD/hr
267 reviews
  • 94%Jobs Completed
  • 90%On Budget
  • 96%On Time
  • 11%Repeat Hire Rate


Recent Reviews

  • image of Robson Conectar API PHP $150.00 USD

    “Excellent Freelancer.”

  • image of Christopher T. Project for Guangjun Z. $50.00 USD

    “Great Guy. Took a few minutes to explain the project. I began to think he wasn't understanding. Then BOOM, INCREDIBLE. Super accurate and Super fast work!”

  • image of John S. Build me a Password Manager program $65.00 USD

    “He has delivered exactly what i wanted. Will hire him again”

  • image of Andre W. HTML, AJAX, JSON - Minor bug fixes and updates $200.00 CAD

    “Guangjun Z responded quickly and professionally to all my questions and instructions related to the project. The work was completed fast and of a very high standard. We worked mainly with Javascript and Ruby on Rails. Guangjun Z demonstrated an expert knowledge of both languages. I have enjoyed working with Guangjun Z, and would recommend him to others.”

  • image of Nikolai H. finish building FrontEND of website - React in 24hours $610.00 AUD

    “Freelancer completed the job and did a great job....he fixed other freelancer mistakes quickly and was very professional.”

  • image of Ken B. Project for Guangjun Z. $200.00 USD

    “great to work with. quick and responsive.”


Good skills

Oct 2010

Computer Science & Network Researcher.



2007 - 2010 (3 years)


Barchelar of Beijing Technology and Business University (2013)

Beijing Technology and Business University

Computer industry in the world.


Computer industry in our country

I have studied about computer industry and internet technology and published one paper.


  • Python Level 1
  • WordPress
  • US English Level 1


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