SPEAKER
Jacek
Laskowski
/
Freelance Data Engineer, books.japila.pl
Jacek is a Freelance Data(bricks) Engineer specializing in Apache Spark (incl. Spark SQL and Spark Structured Streaming), Delta Lake, Unity Catalog, MLflow, DSPy, Databricks with brief forays into a wider Data, ML and AI Engineering space (mostly during Warsaw Data Engineering meetups).
Jacek offers software development and consultancy services, as well as very hands-on, in-depth workshops and mentoring. He is best known for his "The Internals Of" online books available free of charge at https://books.japila.pl/.
Contact him at [email protected] to discuss opportunities.
Motto: "When one teaches, two learn".
Jacek offers software development and consultancy services, as well as very hands-on, in-depth workshops and mentoring. He is best known for his "The Internals Of" online books available free of charge at https://books.japila.pl/.
Contact him at [email protected] to discuss opportunities.
Motto: "When one teaches, two learn".
Jacek's sessions
Jacek will be contributing to these sessions at Data + AI Summit 2026:
Data Engineering & Streaming
Deep Dive Into Streaming and Batch ETLs With Lakeflow Spark Declarative Pipelines
Previous events
Take a look through the session archive to find even more related content from previous Data + AI Summit conferences.
See archive