Imagem de perfil de okzhang321
Bandeira de China Dandong, China
Membro desde 8 de novembro de 2018
8 Recomendações


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I am iOS / Android developer with more than 7 years experience and 50 completed projects. I use native languages for applications development: Objective-C for iOS and Swift, Java and Kotlin for Android. My #1 goal will always be to meet your needs and deadline. Besides I am easy to read and understand other people's code. My slogan is "PROVIDE 24/7 FOR CLIENT!!!" I had experience in the following spheres (expertise) of mobile development: 1. Social networks. 2. Dating apps. 3. Messengers / Chat apps. 4. Any apps for business purposes (that use different forms / cloud storages of text, images of other data etc). 5. Apps that use audio technologies and processing. 6. News apps. 7. AR-SLAM Other skills: • Web Development - Backend: PHP, Laravel, Codeigniter - Frontend: JavaScript, jQuery, AngularJS, ReactJS, HTML5, CSS - Databases: MySQL, Sqlite • Desktop Applications - C/C++ - Java/Javafx - VB.NET, C# - Qt • Python – scripts to automate routine tasks. Version control: SVN, git
$30 USD/hr
144 comentários
  • 100%Trabalhos concluídos
  • 91%No Orçamento
  • 95%Pontualmente
  • 14%Taxa de Recontratação


Comentários recentes

  • imagem de Billy S. modeler $200.00 USD

    “Amazing work! Very responsive and helped me meet my deadline!”

  • imagem de Thowaing W. Project for wanjing $70.00 AUD

    “SATISFACTION!!!! She got skills.”

  • imagem de Maria R. Java chess game $150.00 USD

    “She is awesome! She is the person you can really rely on confidently!”

  • imagem de Ali A. Project for okzhang321 -- 19/05/04 18:42:39 $120.00 USD

    “As always the best freelancer for software project, on budget and on time fast service. Definitely work with her again in the future!”

  • imagem de Karim M. I would like to hire a Java Developer £950.00 GBP

    “I received work of a very high level and in the time promised. I was also able to communicate constantly with Wanjing and am very pleased with the level of cooperation I got. I would definitely consider them for future work as well.”

  • imagem de Majid S. Convert openCV code to .exe file for win32 and x64 $25.00 CAD

    “Was really helpful. I would definitely recommend her”


Senior Software Engineer

Jan 2015 - Jun 2018 (3 years)

Very excited work in here and get much experiences of ios and android development.


Bachelor of Computer Information

2010 - 2014 (4 years)

Master of Software Engineering

2015 - 2016 (1 year)


Oracle Certified Association (2017)


The Oracle Certified Associate examination measures a candidate's basic skills in managing Oracle systems.


Android app development introduction

Simple introduction of app development.


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