Hi, I'm Emil. I'm the founder of North Star Data, a data engineering and analytics consultancy specialized in implementing modern data technologies for startups. Previously, I worked at RudderStack, enabling developers to solve complex customer data problems.
Data Validation for DuckDB
August 28, 2025
Testing SQL with Python and SQLGlot
August 27, 2025
My Development Stack
June 14, 2025
PySpark and Jupyter in Docker
June 10, 2025
DuckLake with Ibis Python DataFrames
June 2, 2025
Merge Parquet with DuckDB
April 19, 2025
Memoization in Python 3
May 24, 2021