Profile image of weiwanga87
Flag of China Liaoning, China
Member since November 22, 2017
3 Recommendations


Online Offline
Thank you for visiting my profile! We've got experience in Solidity and Blockchain fundamentals, and can help you out with most of the crypto-related tasks, setting up Blockchain explorer, generating your own currency or writing smart-contracts on Ethereum Network for Decentralized Exchange. Our technology stack includes 1. iOS & Android -iOS(Swift and Objective-C), Android(Java) 2. Video streaming service - Own WebRTC server - iOS & Android apps - Web app 4. Web development -Frontend: Angular and Vue.js -Backend: Python(Django), PHP(Laravel, Yii2, CI), Go, Node -Linux server administration 5. Blockchain -Ethereum Smart Contracts -Solidity -Truffle -CryptoCurrency Exchange Platform (based on BTC, ETH) -ICO CryptoCurrency trading and lending bot We always try to have a contract with a long term project and customer. Best Regard, Wei
$30 USD/hr
13 reviews
  • 92%Jobs Completed
  • 94%On Budget
  • 100%On Time
  • 23%Repeat Hire Rate


Recent Reviews


Senior Software Engineer

May 2012 - Feb 2014 (1 year)

I led mobile app development for iPhone and Android in Chinasoft and wrote multiple applications alone.

Software Engineer

Aug 2009 - Oct 2011 (2 years)

Administered design and implementation of game applications for Refined and documented innovative and compelling user interface solutions. Worked directly with product and program management. Developed core set that seamlessly fit into overall product roadmap. Utilized sketches, storyboards, scenarios, prototypes, flows, and interaction models. Ensured to meet the business, project, and design goals and objectives.


Bachelor's degree, Computer Science and Technology

2007 - 2011 (4 years)

Master of Science (M.S.), Computer Science and Technology

2014 - 2016 (2 years)


  • Preferred Freelancer Program SLA
  • Android 1
  • iPhone Development 1
  • PHP Level 2
  • HTML5 Basics 1
  • Numeracy 1
  • PHP Level 1
  • US English Level 1


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