Profile image of GoodJob4W
Flag of China Yanjishi, China
Member since June 15, 2017
10 Recommendations


Online Offline
Let's Make Your Dream a Reality Together! This is Qi-Feng Jin from China. * I am a mobile app developer myself. I have developed many ios and android apps and published them successfully to Apple Store and Google play store under my customers name. I mainly work in Swift for iOS app development and Photoshop/Balsamiq/Moqup/Figma for UI/UX design. Also I can develop Android app and backend api and web admin panel in PHP for the project. * Over the years I have arranged a team with talented developers to provide better service to my customers in several areas. We have successfully published 50+ apps in different subject in mobile apps and games and webs. * What I provide you is - 24/7 Service & Support - Project plan/management - High quality work on time, on budget - Well dedicated test on project - Documentation on project - 6-Month support and maintenance after final delivery Just send me a message any time for discussion on your project. Best regards.
$43 USD/hr
25 reviews
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 33%Repeat Hire Rate


Recent Reviews

  • image of fhkh1413 App step by step $75.00 USD

    “Wonderful I will deal with him later”

  • image of Alysse Z. Mobile App Development $300.00 USD

    “QiFeng and his team is really professional and knowledgeable in app design and development. I am sure this project will build long term relationship with them. I am happy to say I met Very reliable team.”

  • image of bfranklinvw Project for Qifeng J. -- 2 $2876.49 USD

    “Qi-feng delivers high quality solutions. He understands and cares about the details and has made my project a success.”

  • image of Alysse Z. iPhone App-Swift4.0, Android App-Android Studio, Website, Admin Panel and Backend API Development $1000.00 USD

    “Excellent developer and reliable project manager.”

  • image of bfranklinvw Project for Qifeng J. $3786.64 USD

    “Qi-feng has done outstanding work again! I highly recommend him and will continue to work with him as long as possible! [07 November, 2017] This coder is really great. His expertise has made my app exactly what is wanted (and better than I could have made without him)! I look forward to continuing to work with him. [14 November, 2017] outstanding work continues from this coder!”

  • image of Joe332 Project for Qifeng J. -- 3 $175.00 USD

    “This is the second time I have worked with Qifeng J. and both times he has been amazing. I couldn't recommend him highly enough. The job is always completed on time and on budget and to exactly how i want it. Will be Definitely hiring him again for future projects”


Project Manager

Oct 2010 - Jul 2011 (9 months)

Developer / Manager of project


Master of Computer Science

2005 - 2007 (2 years)


Database Management System Design and Development (2008)

Changchun Taxation College

Write an article on the subject when I was in college for the students.


Several Articles on Database Management System

University students Database Management System (DBMS) design and implementation


  • iPhone Development 1
  • Numeracy 1
  • Preferred Freelancer Program SLA
  • US English Level 1


  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

My Top Skills

Browse Similar Freelancers