Profile image of Angel521
Flag of China Dandong, China
15 人推荐


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Thanks for looking my profile. I am a talented Mobile&AR developer with experiences for 6 years. My major skills: 1. Augmented Reality App like PokemonGo, ColoringShow, etc. 2. Unity3D, Making 3D Model, C# 3. Hybrid App Development(Xamarin, Ionic, react-native) 4. Android, IOS 5. Swift/Objective-C 6. HTML5, PHP, CSS 7. C++, C, QT I can provide High Technology, High Speed, High Quality. I'm happy to work for long term with my clients. I promise your idea will come to reality.
$30 美元/小时
  • 99%完工率
  • 93%预算内
  • 95%准时性
  • 17%重雇率



  • image of DARCY1994 Dozer game making $660.00 USD

    “Great developer with excellent.”

  • image of neo1998x Project for Xiaolong J. -- 2 $1200.00 USD

    “This is an excellent developer. My project, even clear outlined, is a bit hard to understand. I'm impressed with this developer and would recommend him to anyone seeking to get projects done. The budget went off from original thought but the quality paid it off.”

  • image of stefanschaus Project for Xiaolong J. -- 34856 €1320.00 EUR

    “This was a research project about the best architecture to change legacy code for macOS only into a cross-platform-solution - and i'm impressed about the quality of the research and the prototype!”

  • image of lesterstoffels Advertising App with Mobile Location Analytics R2200.00 ZAR

    “It was really a pleasure working with Xiaolong J. The only challenge was the understanding of english. I will any time make use of Xiaolon J again. Very knowledgeable in his field of expertise.”

  • image of kedmatolentino Fix issues on RA App and implement new simple functionality $100.00 USD

    “Highly recommended! Excellent work as always. She is an excellent partner.”

  • image of stefanschaus Project for Xiaolong J. -- 70444 €770.00 EUR

    “Great work!”


Augmented Reality Development

Jan 2013

I've developed Augmented reality mobile apps for 4 years. - "The friends under the sea" app is uploaded to google playstore and appstore in 2016 year. - "AR app Builder" is automatic builder for AR app. - "T-shirt AR" app is an Augmented reality app for T-shirt. These are only a part of my products. Above apps have many features like capturing video&image, sending via SMS, etc.

Hybrid Mobile App Development

Jun 2012 - May 2015 (2 years)

I've developed hybrid mobile apps for 3 years. I've master following frameworks: Ionic framework, react-native,xamarin, etc


  • Preferred Freelancer Program SLA
  • US English Level 1


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