Image de profil de okzhang321
Drapeau de China Dandong, China
Membre depuis le 8 novembre 2018
7 Recommendations


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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
121 commentaires
  • 100%Travaux complétés
  • 91%Selon le budget
  • 99%Dans les temps
  • 14%Taux de Réembauche


Avis récents

  • image de Rebeca P. C program to simulate disk scheduling algorithms $140.00 USD

    “They did a good job and fulfilled all the requests. Awesome!”

  • image de Felix Andrew S. Project for Wanjing X. -- 2 $210.00 USD

    “I highly recommend this freelancer she is really good at what she does.”

  • image de Sage T. Project for Wanjing X. $80.00 USD

    “I specifically reach out to Wanjing whenever I need excellent help with something. She is incredibly fast, accurate, and knowledgeable about a large scope of programming languages. I would recommend her to anyone for almost any project. If she needs to figure something out she will learn it quickly and apply her knowledge immediately. Glad I found her.”

  • image de Rayan A. WebShare website $300.00 USD

    “Everything is delivered as i want, on time and in the most professional way.”

  • image de Bianca M. Javafx animation for desktop application. [Sealed]

    “Great work, it was delivery long before the deadline, know what is doing. Recommended.”

  • image de Jacob Y. Project for Wanjing X. -- 6 $60.00 NZD

    “Highly recommended! Wanjing did a perfessional job!”


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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