I'm a software engineer living in Hamburg, Germany.

This is a collection of things I've learned and found exciting about software, data, travel, and whatever else keeps lingering after the week is over.

Recent

Lightweight Re-Ranking in Qdrant Using Logistic Regression Sep 06, 2025

Local LLMs on the Rise Jun 11, 2025

Combining Vector Search with Business Logic in Qdrant May 23, 2025

A First Glance at Python UDTFs in Snowflake Apr 11, 2025

Using PDB in Metaflow Mar 23, 2025

Finding the Maximal Rectangle in Augmented Reality Mar 16, 2025

How Boosted Decision Trees can Benefit from Language Models Mar 13, 2025

Polars is_in vs. inner join Mar 03, 2025

A Lightweight Vector DB with DuckDB and Cloud Run Mar 02, 2025

Do you really need a distributed query engine? Oct 11, 2024

Optimizing Data Loading and GPU Usage in PyTorch Mar 20, 2024

Enhance Training Speed with Mixed Precision Training Dec 20, 2023

Optional Sampling for Better Feedback Loops Oct 04, 2023

Reducing Memory Requirements with Sparse Data Structures Jun 11, 2023

BigQuery SQL Query Testing with DuckDB and SQLGlot Jan 12, 2023