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@DavidLiu80
Flag of China Shenyang, China
Member since June 8, 2013
15 Recommendations

DavidLiu80

Online Offline
Seasoned web & mobile developer, also software engineer, business analyst and project manager. Accurate and well-organized, always looking for the efficient and elegant solutions. Technology background: - front-end frameworks: [url removed, login to view], Angular 4, Angular2, AngularJS, React.js, jQuery, ExtJS - programing languages: node.js, Ruby, Python, Perl, Java, Swift 3, Objective-c, c# - web frameworks: Django, RoR, Express, Laravel, Kendo UI, CakePHP - CMS solutions: WordPress, Umbraco, TYPO3 - ecommerce: Shopify, WooCommerce, Drupal Commerce, Volusion - mobile application development: native iOS app - online payment: Paypal, Stripe, Braintree, WePay, Goole Wallet - project and source management: Attlasian Jira, Git, SVN, Asana, Bitbucket - databases: Oracle, MongoDB, MySQL, PostgreSQL I will provide full service, from the design to the maintenance. I am online 18+ hours a day, so there will be no trouble getting a hold of me.
$66 USD/hr
137 reviews
8.3
  • 85%Jobs Completed
  • 91%On Budget
  • 87%On Time
  • 17%Repeat Hire Rate

Portfolio

Recent Reviews

  • image of rameshtalk2 Build A Website for Work Assignment $240.00 USD

    “He is professionally and technically very good”

  • image of danvan595 i need a software developer $1550.00 USD

    “Sun was professional and tried his best to help me complete a difficult project.”

  • image of Dariusz P. Project for Sun X. -- 2 €1100.00 EUR

    “All smooth and up to 100% satisfaction.”

  • image of leokaan Project for Sun X. $1200.00 USD

    “He is professional, like the way he works”

  • image of Lynn2018 Senior Web developer with iOS skills [Sealed]

    “Sun was like a scalpel, I interviewed him at 9 am, hired him at 9:30 am, and gave him access by 9:40 pm, By 12 pm, he had fixed the problem.”

  • image of ivanPz Project for Sun X. [Sealed]

    “Very Good freelancer. I've hired hundreds of freelancers in the past 8 years. 90% or more will waste your time, inflate their capabilities and cause problems with your project. Sun is a pro. My Highest recommendation. Would highly recommend.”

Education

Master

2002 - 2006 (4 years)

Publications

Mobile life in World

This book is about current mobile App and Game's development and use. Published Date: 2012.4

Certifications

  • HTML5 Basics 1
    100%
  • JavaScript Level 1
    98%
  • US English Level 2
    95%
  • Android 1
    93%
  • PHP Level 1
    93%
  • Preferred Freelancer Program SLA
    92%

Verifications

  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

My Top Skills

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