Profile image of topstar323
Flag of China Shenyang, China
Member since October, 2014
2 Recommendations


Online Offline
I'm Senior Mobile Developers with 7+ years experiences(Native/Hybrid).  I provide end-to-end solution which covers from Business Requirements Analysis, Design, Coding, Quality Testing, Deployment and also Enhancement & Maintenance.   The list of technologies I've worked with:  

- Social networking development (eCommerce apps, dating apps, photo & video sharing apps, event apps, travel apps, fitness apps, etc...)  
- Backend integration using RESTKit and Alamofire, AFNetworking, etc  
- Audio/video manipulation (playback, editing, compression)  
- Camera (shooting photo/video, barcode scanning, facial recognition, Camera/Photo manipulation)  
- Microphone (audio recording, podcasts)  
- Messaging implement using XMAPP and APN  
- Location services (displaying current location, Apple/Google maps integrating, offline maps, pinning location, location tracking)  
- Filters (applying filters to live camera stream, videos and images)
$35 USD/hr
25 reviews
  • 96%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 29%Repeat Hire Rate


Recent Reviews

  • image of ransika Set up a existing swift project and send a IPA $25.00 USD


  • image of soltecllc Complete IOS Application $200.00 USD

    “Li is the picture perfect image of the professional coder. He takes the time to understand your requirements and delivers on time and goes above and beyond any requirements. I will be hiring him again, and again for any IOS project I have in the future.”

  • image of blacknemesist Project 15226369 has been deleted €200.00 EUR

    “Very helpful and knowledgable.”

  • image of larademirel3 xCode - Swift Language coding iOS $28.00 USD

    “He is good and helpfull guy.”

  • image of mikewill949 Project for Li Y. $300.00 USD

    “Great work, our customers are always asking for enhancement and he comes through last minute to always help out. Great work and very flexible! It's nice to be able to communicate on my USA timezone and he's always online same time as me.”

  • image of itmalik iPhone Top Bar with Search Box And Notification Icon. URGENT $30.00 USD

    “Understand the requirement and really provides a good quality work. Mainly the follow up after submitting the project was really good”


Expert mobile developer with iOS and android experience

Apr 2008

My company is very good. My company is varied company for technology and trade. I'm working up the technology now.


a Master\'s degrees

2003 - 2008 (5 years)


Master's degrees (2008)

Yanbian University

In 2004, I admitted to the Yanbian University. I studied mathematics in University period and I was awarded a Master's degrees in March 2008. After I graduated from the University in April 2008, I have worked in the field of Mobile till now on. In this process, I had a rich experience in field of Mobile. I will perform wonderfully for the any task by working harder in the future.


On the mobile communication

This paper is about mobile communication mostly.


  • Android 1
  • iPhone Development 1
  • PHP Level 1
  • US English Level 1
  • Preferred Freelancer Program SLA


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