Profile image of KOKTech
Flag of China Dandong, China
Member since April 4, 2019
2 Recommendations


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Welcome to our profile. We are the KOKTech team who has professional development skills and more than 10 years of rich experiences in embedded development including hardware design, OS and application software development as well as security fields. Here are our specific skills: 1) Software Development Skills -Mobile apps: Android, ios, React Native, Xamarin -Game development: Unity 3D, Unreal -AR/VR, FR apps -Windows Application and Drivers -Linux Application and Drivers -Security and Privacy System -Web development: Reactjs, node.js, Angular.js, D3.js -Machine learning: Tensorflow, Pytorch, Yolo 2) Hardware Development Skills - C/C++/Embedded C. - MPU, ARM, PLD and embedded system equipment. MCUs : RK family, AXX family, STM32 family, - Arduino - Linux-Embedded Try us and take a big benefit !!!
$30 USD/hr
33 reviews
  • 100%Jobs Completed
  • 88%On Budget
  • 92%On Time
  • 12%Repeat Hire Rate


Recent Reviews

  • image of Filip S. Age&Gender recognition software for RPi3 (Python) €500.00 EUR

    “Very good communication. Did exactly what we need.”

  • image of Tayfun E. IoT device €180.00 EUR

    “Zhengang was very helpful and very professional from start till the end! He finished our project on time, with good quality and with good contributions to the design. We would definitely work with him next time and recommend him as a freelancer!”

  • image of Allan J. Project for Zhengang Y. -- 2 $500.00 USD

    “It's hard to describe such a brilliant professional as Zhengang, proactive, intelligent, honest. We will certainly work on many other new projects.”

  • image of Feng H. Upgrade existing react project $50.00 USD

    “Zhengang worked tirelessly on the project and deployed the work on schedule. He was very honest about the whole process, and explained to me answers to questions I did not know the answer to. He was meticulous and detail oriented on all aspects of the project, and produced a deliverable that exceeded my expectations.”

  • image of Sergio R. build ocr dll $500.00 USD

    “Timely delivery, and and professional attitude...................”

  • image of Truong V. Pool guide engine for a game $750.00 USD

    “Zhengang is a very talented coder. He delivered my project on time and I am satisfied with the results. Will definitely work with him in the future again!”


more than 10 years of development experience

Mar 2006 - Dec 2018 (12 years)

Our team had worked as senior developers in R&D department of CNB Electronic Co,LTD. During we developed many Embedded products including POS, Face Recognition System, DVB T2 receiver hardware design and software development ... Also we have many experiences in different embedded OS and applications development.


Master Degree

2000 - 2006 (6 years)


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