Python and SQL — backend services and the data behind them. B.Eng. in Electronics & Computer Engineering, Wrocław University of Science and Technology. Logistics Specialist at RXO, Wrocław.
Lucid — AI study app, live on the App Store in 12 languages. Co-founder; I built the backend. FastAPI, OCR → embeddings → pgvector retrieval, Redis rate limiting, SSE streaming, 900+ tests. uselucid.app · App Store
Open source
- pytest-dev/pytest#14969 — merged.
MonkeyPatch.setattr()recorded inherited attributes withgetattr(), soundo()left them frozen in the instance__dict__. - pandas-dev/pandas#68702 — merged. Preserved line breaks in ODS cells for
to_excel/read_excel. - neuml/txtai#1249 — merged. Kept SQLite ANN data when saving a modified index to a new path.
- plotly/plotly.py#5766 — merged. Made
px.sunburst/px.treemap/px.iciclesector order deterministic for Polars input. - sqlfluff/sqlfluff#8485 — open. Databricks dialect: private streaming tables and
CREATE FLOWappend flows.
Mostly Python, FastAPI, PostgreSQL, Redis, Docker.



