Stefan Urbanek is a seasoned data warehouse architect, software engineer and co-founder with 24 years of experience designing metadata-driven systems for data governance, master data management and lineage. He has led data platform transformations at companies like Facebook and Squarespace, improving data quality, pipeline transparency and operational audibility across heterogeneous big-data environments. An active open-source maintainer, he authored and leads development of the Python OLAP framework "Cubes" and several ETL libraries, demonstrating deep SQL and back-end expertise. Stefan blends hands-on engineering with strategic architecture, building metadata-first automation that boosts both human and machine efficiency. Based in Bratislava, he is currently scaling Mentation Engineering and developing an open-source toolkit for systems thinking and simulation, and is available for US roles with appropriate work authorization (currently on O1 visa).
24 years of coding experience
10 years of employment as a software developer
MEng (IEE accredited) Informatics, MEng (IEE accredited) Informatics at Slovenská technická univerzita v Bratislave
Light-weight Python OLAP framework for multi-dimensional data analysis
Role in this project:
Back-end Developer
Contributions:3632 commits, 38 PRs, 208 pushes in 6 years 3 months
Contributions summary:Stefan made several changes related to the back-end of the "cubes" project, as evidenced by the commit messages mentioning "cell condition fix" and modifications to the SQL query builder and its interaction with the browser. Their commits demonstrate the ability to work with SQL code, including the creation and alteration of statements. Furthermore, commits provide information from the workspace for a route, providing version, authentication method, and json record limit information.
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Stefan Urbanek - Co-Founder at Mentation Engineering