Welcome to my blog

Hi, I’m Constantin, a software engineer based in Hamburg.

This is where I write down things I want to remember. Lessons from software engineering, cloud development, AI-supported development, and personal projects.

I’m writing primarily for myself, but I hope these notes are useful to anyone interested in the same questions.

Recent

Debugging a WAF in Front of Scaleway Serverless Containers

5 September 2026·7 mins

How I configured and debugged host-based routing, upstream TLS, and redirects between a public WAF and an IAM-private Scaleway Serverless Container.

Before ChatGPT: What My Master's Thesis Taught Me About Meaning in Text

10 November 2021·8 mins

A look back at my 2021 master’s thesis on Gaussian LDA, word embeddings, and the surprisingly difficult question of whether a topic model has understood anything.

Adding Shapes: My Bachelor Thesis on Minkowski Sums

15 July 2019·6 mins

A practical tour of the algorithm behind my 2019 bachelor thesis: extracting the Minkowski sum of two simple polygons from their convolution.