China旗标 Dandong City, China
1 人推荐


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"Success usually comes to those who are too busy to be looking for it." "There are no secrets to success. It is the result of preparation, hard work, and learning from failure." As a professional full stack mobile/web developer with over 10 years of experience in Web and Mobile(iOS/Android) application development. ★ Experiences and Skill set I have. ● Native mobile app development: Swift4/3, Objective-C, Java ● Hybrid mobile app development: React Native, ionic ● WebService and Backend API development: Ruby on Rails, Node.js, Python, PHP, Golang ● Web Frontend development: Javascript, Bootstrap, HTML, CSS, Angular.js, React.js, Vue.js... ● Database: MongoDB, MySQL, PostgreSQL, NoSQL, FireStore ● Deployment: AWS, Azure, Heroku, iCloud, Google Cloud, DigitalOcean Please feel free to contact me at any time. Always Welcome!
$55 USD/hr
  • 96%完工率
  • 92%预算內
  • 95%准时性
  • 17%重雇率



  • icllvr的图片 Build Application Requests $1550.00 USD

    “Bad slow Not in promise Does not work for applications Experience will not be repeated”

  • grimm的图片 Stock Ticker Mac App -- 3 $250.00 USD

    “I won't hire him again. Had to repeat a lot of stuff over and over again. He didn't seem to test the software before sending it to me. He uploaded the app to my account 5 to 6 times before it was approved. Seems like he wasn't really following their instruction either. Job got done, but it was a hassle.”

  • Romanrgold的图片 React and rails developer for website $3333.00 USD

    “Amazing expert in Rails !!!”

  • Romanrgold的图片 Flutter developer to rewrite existing app in Flutter $4444.00 USD

    “Once again we get results and functionality we need to keep our project going.”

  • zyondymonds的图片 Project for Zhang H. $281.10 USD

    “Thanks for all your help. [22 September, 2018] Thanks for all you work Zhang. Looking forward to working with you in the future”

  • waqaslone1的图片 Expert iOS Objective C Developer needed to fix iPAD App Remotely $49.00 USD

    “An Ideal worker for anyone. Zhang was able to understand and fix the error right away. Would soon love to work again with him. Thanks for your help!”


Lead Software Developer

Mar 2014 - Dec 2018 (4 years)

Worked at small outsourcing company as lead software developer.

Senior Web Developer

Jun 2011 - Mar 2015 (3 years)

As a professional full stack expert, I've developed many simple and complex websites over 2 years. Also Seioglobal was good place which I start to learn AI, ML and Bot.

Mobile Application Developer

Jun 2006 - Aug 2011 (5 years)

I have learned a lot of acknowledgements of iOS/Android app development and have good experiences of UI/UX design and BACKEND


Master of Computer Applications - MCA, Computer Programming, Specific Applications

2000 - 2005 (5 years)


  • Preferred Freelancer Program SLA
  • Ruby on Rails
  • US English Level 1


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