Jonas Hartmann

Central, Hong Kong, Hong Kong

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All-Time Earnings: $0
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Member Since: Nov 2018

Hey there, I am a software developer from Germany building mobile and backend applications since more than 10 years now, specialising in mobile app development. During my time in university studying …Read More.

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Second-hand buy and sell platform
eCommerce Platform
CryptoGraph (Flutter Mobile App)
Fuel Usage Tracker (Flutter Mobile App)
SpeakEasy (Native Mobile App)