
GoodJob4W
- 100%Jobs Completed
- 100%On Budget
- 100%On Time
- 36%Repeat Hire Rate
Portfolio
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The Sobriety Network - Social View
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RelyPass - Simple secure password manager View
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Mockup/UI/UX Design View
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Food Ordering - iPhone View
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Google Server App View
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Music Player View
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Shopping App with Barcode/QR code reader View
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Health App View
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Web Design/Development View
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ByMySide - GPS Tracking View
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Photo edit Mobile App View
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Web Admin for Mobile Apps View
Recent Reviews
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Descontruction of APP $1500.00 USD
“Enjoyable experience with Qifeng. Knowledgable, efficient and helpful. Thank-you for your help!”
paulpicasso3 weeks ago
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Project for Qifeng J. -- 3 $5200.00 USD
“Working with him and his team is really enjoyable. They provide me high quality work on time. Of course they suggested best solution for my project success. I will definitely use him and his team as my first choice. Thank you very much for your good work, Qifeng.”
Alysse Z.6 months ago
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Project for Qifeng J. -- 5 $12065.50 USD
“Qi-feng has done an outstanding job on this project! I recommend him highly and look forward to working with him for many years to come! [15 May, 2018] Qi-feng continues to work diligently and cheerfully. His efforts are crucial for my project's success. [26 June, 2018] Qi-feng continues to deliver good work. It is a real pleasure working with him. [17 July, 2018] Qi-feng constantly works responsibly and diligently. I really appreciate his attention to details and concern for product quality. [23 July, 2018] Qi-feng continues to work diligently and deliver good results. He cares about the quality of the product, asks good questions, shares good ideas and produces good work.”
bfranklinvw6 months ago
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Project for Qifeng J. -- 2 $2500.00 USD
“Couldn't be happier with work of Qifeng and his team. Highly recommend to others who want to develop great app for your business. A+++”
Alysse Z.7 months ago
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Duplicate Android App Already Released $500.00 USD
“I appreciate the work!”
crazydirthead7 months ago
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iOS Developer for helping out $30.00 USD
“Quick and good!”
srecaUSA9 months ago
Experience
Project Manager
Oct 2010 - Jul 2011 (9 months)Developer / Manager of project
Education
Master of Computer Science
2005 - 2007 (2 years)Qualifications
Database Management System Design and Development (2008)
Changchun Taxation CollegeWrite an article on the subject when I was in college for the students.
Publications
Several Articles on Database Management System
University students Database Management System (DBMS) design and implementation
Certifications
Verifications
- Facebook Connected
- Preferred Freelancer
- Payment Verified
- Phone Verified
- Identity Verified
- Email Verified
My Top Skills
- Mobile App Development 36
- Android 33
- iPhone 32
- Swift 29
- Java 25
- App Developer 8
- Objective C 6
- PHP 5
- iPad 3
- App Designer 3