Netherlands

I amFelix Seifert

Infrastructure and software engineering, where software meets hardware.

Who is writing

About Me

Lived and worked in
- Germany 🇩🇪
- Sweden 🇸🇪
- Japan 🇯🇵
- Singapore 🇸🇬
- The Netherlands 🇳🇱
Built at
Studied
- MSc Software Engineering of Distributed Systems, KTH
- BSc Industrial Engineering and Management, KIT

I do not collect languages and frameworks. I learn the fundamentals, then build what the problem actually needs.

Longer form

24 August 2026 Golang, Java

Go 1.27 adds generic methods, enabling Filter/Map/Reduce to be chained fluently like Java's Stream API. See the language change and a …

20 August 2026 Kubernetes, Crd

Practical walkthrough of what a CustomResourceDefinition is, relevant concepts worth learning before writing one, and an example you can …

18 April 2021 Cloud

Heroku has no serverless functions, but it has one-off dynos. How Axel Pettersson and I turned them into a pay-per-use Function as a Service …

Say hello

The form below is the quickest way to reach me — it lands straight in my inbox. You can also find me on GitHub and LinkedIn.