Bartlomiej Biernacki
CTO at Simpligo
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolBartlomiej Biernacki is a seasoned software leader and Python specialist with 14 years of experience building web and cloud platforms from Warsaw, currently serving as CTO across multiple startups. He has hands-on experience shipping backend systems in Python and Go for industrial IoT, cloud platforms, and banking-grade services, and has led teams designing architectures using Django, asyncio, PostgreSQL and Redis. His career moves from early web and VBA tooling to senior roles at Samsung and several CTO positions reflect a blend of deep technical craft and product-focused leadership. He also teaches and mentors—having tutored Python bootcamps—which keeps his practice grounded in fundamentals and developer experience. Although not prolific publicly, his GitHub (pax0r) signals an ongoing passion for Python and practical tooling that informs his architectural choices.
14 years of coding experience
15 years of employment as a software developer
Master's Degree, Computer Science, Master's Degree, Computer Science at Warsaw University of TechnologyLiceum Ogólnokształcące im. I Dywizji Kościuszkowskiej w Piasecznie
English, Polish
Stackoverflow
2,424reputation
229kreached
18answers
32questions
python
top-5%
Github Skills (200)
python10
django10
modbus-tcp10
platformio10
apk10
esphome10
packaging10
esp826610
soap10
orm10
sqlalchemy10
android-framework10
async9
android-apk9
yaml9
Programming languages (9)
Github contributions (5)
pax0r/pax0r-ddns
Oct 2020 - Sep 2023
Simple application to setup own DDNS service
Contributions:4 reviews, 11 PRs, 28 pushes in 2 years 11 months
dockerddns
yajnab/pecan_kernel
Jan 2012 - Feb 2012
Contributions:16 commits in 1 month
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