Bart Skowron
Senior Principal Software Engineer, Architect at Clearspeed
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolBart Skowron is a Senior Principal Software Engineer and architect with 18 years of experience building high-availability backend systems, SDKs, APIs, and dev tools across startups, consulting, and open-source projects. Based in Barcelona, he is a Python specialist who has led technical teams and product roadmaps, driven SDK consistency at Rollbar, and recently moved into senior architecture at Clearspeed. His work spans adservers, ERPs, network security, and large-scale ingestion pipelines, and he has a track record of improving developer experience and open-source projects—contributing notable fixes to the IPython core around completion and virtual environment handling. A seasoned tutor who has delivered over 2,000 hours of training, he combines hands-on engineering with mentoring and cross-functional leadership. He also brings founder experience from launching a cloud-based social funding product, giving him product-minded technical judgment beyond pure engineering.
18 years of coding experience
17 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Wrocław University of Science and TechnologyMaster of Science - MS Computer Science, Master of Science - MS Computer Science at Polytechnic Institute of Setúbal
German, Polish, English
Github Skills (11)
ipython10
virtual-environment10
python10
jupyter9
debug9
refactoring8
rep8
replit8
repr8
data-science5
notebook5
Programming languages (18)
Github contributions (5)
ipython/ipython
Oct 2018 - Jan 2021
Official repository for IPython itself. Other repos in the IPython organization contain things like the website, documentation builds, etc.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 commits, 2 PRs, 10 comments in 2 years 3 months
Contributions summary:Bart focused on improving the IPython interactive shell, specifically related to code completion and virtual environment handling. They fixed bugs in the code-completion functionality and refactored parts of the `inputtransformer2.py` file. Their contributions also included predicting the correct Python version in virtual environments, implementing changes to the `interactiveshell.py` file for improved virtual environment compatibility, and refactoring code for readability and maintainability.
documentation-websitepythondata-sciencebuildsnotebook
bxsx/macos-tunes
Feb 2018 - Oct 2022
macOS tweaks&hacks
Contributions:19 commits, 2 PRs, 17 pushes in 4 years 8 months
osxplisttweaksapplescriptmacos
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