Mario Uher
CTO & Co-Founder at tagbase.io
Linz, Upper Austria
Summary
🤩
Rockstar🎓
Top SchoolMario Uher is a seasoned CTO and serial co-founder with 14 years of engineering and leadership experience building SaaS and communication platforms from Linz, Austria. He co-founded and led Yodel.io through acquisition and now steers product and technology at tagbase.io, combining startup grit with proven scaling experience. As a tech lead at Brevo and a long-time hands-on developer, he mixes product-minded architecture with practical backend and test automation skills. His open-source contributions—focused on reliable HTTP testing and concurrent request handling in projects like PSPDFKit-labs/bypass—underscore a strong emphasis on testability and robustness. Comfortable shifting between code and strategy, he’s known for improving engineering rigor in growth-stage teams. Beyond titles, he quietly favors building tooling that makes distributed systems easier to reason about and test.
14 years of coding experience
16 years of employment as a software developer
Matura EDVO, Matura EDVO at Higher Technical Institute Wiener Neustadt
English, German
Stackoverflow
12,289reputation
1.3mreached
109answers
32questions
webkit
top-5%
ruby
top-1%
ruby-on-rails
top-1%
safari
top-5%
Github Skills (17)
elixir10
testing10
ruby10
ruby-on-rails10
webkit9
safari9
test-framework9
http9
mocking9
html6
activerecord6
fileio6
css6
grep6
loops6
Programming languages (21)
Github contributions (5)
PSPDFKit-labs/bypass
Mar 2020 - Dec 2020
Bypass provides a quick way to create a custom plug that can be put in place instead of an actual HTTP server to return prebaked responses to client requests.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:55 commits, 30 PRs, 31 pushes in 8 months
Contributions summary:Mario primarily contributed to the project by modifying test files and integrating the test framework. Their work involved writing and modifying tests, specifically within the context of the Bypass library. They implemented testing strategies to verify the behavior of the Bypass library, including concurrent request handling and route verification, and improved existing tests. These commits demonstrate a strong focus on ensuring the reliability and functionality of the project.
placetestingpluginbypassin-place
ream88/ream88.zsh-theme
Mar 2012 - Jan 2019
Contributions:34 commits, 2 PRs, 13 pushes in 6 years 11 months
zsh-customzsh-themezsh-pluginzsh
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