Ảnh đại diện của topstar323
@topstar323
Cờ của China Shenyang, China
Làm thành viên từ Ngày 16 tháng 10 năm 2014
3 Đề xuất

topstar323

Trực tuyến Ngoại tuyến
I'm Senior Mobile Developers with 7+ years experiences(Native/Hybrid).  I can 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:  - Uber style booking apps - Delivery apps 

- 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)
$30 USD/giờ
33 đánh giá
6.1
  • 97%Các công việc hoàn thành
  • 97%Đúng ngân sách
  • 100%Đúng giờ
  • 30%Tỉ lệ thuê lại

Portfolio

Các đánh giá gần đây

  • hình của vipkid94 iOS messaging application-Compatible with iPhone $500.00 USD

    “great.”

  • hình của erenuyanik Sms qr code $400.00 USD

    “We worked on a dual platform project with Li. Despite having no past experince on Fuse tools, he agreed to deliver the project and he succeded flawlessly. I definetly will work with him again.”

  • hình của dbr00 ENGOSIP : VOICE CALLING & ENGLISH LEARNING APP $688.00 USD

    “Li.Y has completed my project on time with great quality .Much appreciate his work ethics and is very hard and smart professional. His understanding level is superb. Li .Y is fantastic and most talented freelancers i ever met here on this definitely hire him again & again because his work is really impressive As long as i shall run this project Li. Y would be my one & only choice . You can hire him without even thinking. Thanks Li.Y”

  • hình của kalabidi an app upgrade $200.00 USD

    “li has been great and was up to my expectations . will keep hiring him in the near future .”

  • hình của tagyourride Payment gateway integration Android application - 15/12/2017 15:05 EST $555.00 USD

    “Well delivered! Very good to work with.”

  • hình của tagyourride Mobile development R6000.00 ZAR

    “Very good developer and quite responsive. He is a good communicator when it comes to understanding the project spec.”

Kinh nghiệm

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.

Giáo dục

a Master\'s degrees

2003 - 2008 (5 years)

Qualifications

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.

Các xuất bản

On the mobile communication

This paper is about mobile communication mostly.

Chứng Nhận

  • Android 1
    97%
  • iPhone Development 1
    95%
  • PHP Level 1
    92%
  • US English Level 1
    92%
  • Preferred Freelancer Program SLA
    89%

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