Bartosz Hernas
Co-Founder at FreeYourMusic
Tallinn, Harju County, Estonia
Summary
👤
SeniorBartosz Hernas is a serial founder and software engineer with 11 years' experience building consumer and developer-facing products from Tallinn. He co-founded multiple music and media startups (FreeYourMusic, MusicAPI, SongsBrew, Music24) and consumer platforms (Quizado, Fragplace, WhenNOT), combining product intuition with hands-on front-end engineering. An active open-source contributor, Bartosz improved the front-end and tracker UX of Umami, a privacy-focused alternative to Google Analytics. His teams have achieved notable visibility—StampApp was featured on Product Hunt—and he even appears as a character in a Polish bestseller, hinting at a knack for projects that resonate culturally as well as technically.
12 years of coding experience
9 years of employment as a software developer
English, Polish
Stackoverflow
1,130reputation
176kreached
11answers
3questions
Github Skills (16)
javascript10
analytics9
web-analytics9
react8
css7
html7
objective-c6
xcode6
corebluetooth6
ios6
label6
swift6
uibutton6
xctest6
image6
Programming languages (15)
Github contributions (5)
umami-software/umami
Sep 2020 - Sep 2020
Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveillance, self-hosted or in the cloud.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:8 reviews, 10 commits, 1 PR in 4 days
Contributions summary:Bartosz primarily contributed to the front-end of the Umami analytics tool, focusing on the tracker and user interface elements. Their work involved implementing new features, such as unregistering the tracker and adding a frame mode for shared URLs. The user also fixed bugs in the tracker and improved code comments. These changes enhance the functionality and user experience of the Umami platform.
chartsanalyticsstatisticsprivacyprivacy-focused
bartoszhernas/BashAliases
Jan 2015 - Nov 2025
Contributions:13 pushes in 10 years 11 months
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