Käyttäjän GoodJob4W profiilikuva
Maan China lippu Yanjishi, China
Jäsen alkaen 15. kesäkuuta 2017
10 suositusta


Online-tilassa Offline-tilassa
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.
dollaria43 dollaria / tunti
23 arvostelua
  • 100%Suoritetut työtehtävät
  • 100%Budjetin mukaisesti
  • 100%Ajallaan
  • 36%Uudelleenpalkkaamisaste


Viimeaikaiset arvostelut

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

    “Excellent developer and reliable project manager.”

  • käyttäjän bfranklinvw kuva 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!”

  • käyttäjän Joe332 kuva 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”

  • käyttäjän bfranklinvw kuva Project for GoodJob4W $1606.53 USD

    “I could not be happier with Qi-feng! He is bright, hard-working, very skilled, and a great communicator. I look forward to working with him more. [24 October, 2017] Qi-feng is an outstanding coder. I could not be happier with his work and communication. I will definitely keep working with him as long and as often as I can. [30 October, 2017] I could not be happier with Qi-feng's work. He's a hard-working and very bright coder with great communication and organizational abilities.”

  • käyttäjän Joe332 kuva Project for Qifeng J. $300.00 USD

    “Goodjob4w was fantastic. He delivered exactly what i wanted and perfectly on time. As i have never had an app developed before he was very supportive and showed me how to do the things to publish the app etc. Would recommend to a friend and would also go back when getting another app developed.”

  • käyttäjän bfranklinvw kuva Swift iPhone app $550.00 USD

    “This coder is simply outstanding! He's smart, a great communicator, very diligent and attentive to details. He was able to anticipate my needs, make very good recommendations, and understand and deliver well-working code with some advanced features. I look forward to working with this coder again soon!”


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


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