Hans Otto Wirtz
Software Engineer, CTO, Founder
AltVelo
2025
BubblyDoo
2018 - present
Spices.app
2022, 2025
3D Hanzi Generator
2021 - 2022
angular-react
2022 - 2023
React Done Tracker
2023
GraphQL Workers Subscriptions
2023
Zoemin Website
2018
s[MAS]h!
2017
BN Classic Website
2016 - 2017
Learning Chinese
2018 - present
LP50xx Breakout Board
2019
Wall-mounted computer
2018 - 2021
3D Printing
Treehouse
2011 - 2015
Lego Antwerp MOC
2023 - 2025
UAntwerp Snapchat Filters
2018
Ottomatisch
2016 - 2023
BubblyDoo Renderer
2018 - present
BubblyDoo Website
2018 - present
BubblyDoo Data Pipeline
2022 - present
Arbiter
Ottomatisch
2016 - 2023
My one-person company for freelance work.
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🏷️ Entrepreneurship