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

High Quality & Speed

Conectado Desconectado
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 33+ apps and publish them successfully to Apple Store/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 your project - 6-Month support and maintenance after final delivery Just send me a message any time for discussion on your project. Best regards.
$35 USD/hr
14 comentários
  • 100%Trabalhos Concluídos
  • 100%No orçamento
  • 100%No Prazo
  • 27%Taxa de Recontratação


Comentários recentes

  • image of Joe332 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.”

  • image of bfranklinvw 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!”

  • image of Lucylizler Build IOS Form App €240.00 EUR

    “Perfect to work with, gonna hire him again”

  • image of Shadi A. Project for GoodJob4W $270.00 USD

    “Responsible - Patient - ambitious - intelligent - loyal I'll work with him again”

  • image of Cricket1967 Project for GoodJob4W $1000.00 USD

    “Great communication, fast response time. Excellent Freelancer. Would highly recommend.”

  • image of worldsgreatestt Mobil Game Development $1000.00 USD

    “Very reliable developer! I have used them multiple times before and every time they have surpassed my expectation! I would not want to use anyone else.”


Project Manager

Oct 2010 - Jul 2011 (9 months)

Developer / CEO / Manager of project


Master of Computer Science

2005 - 2009 (4 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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