Domain-Driven Design

Articles about Domain-Driven Design by Sebastian Bergmann

The image illustrates that valuable insights can be gained from recorded events through skilful processing and analysis, a metaphor for the value of event sourcing and automated testing in software development.

20 February 2026

From Events to Insights

Event Storming, DDD, CQRS, and Event Sourcing are intertwined: the tests not only check the events, but also become living documentation and a bridge between technical expertise and code.

A collage in halftone style: one hand holds a question mark, a second one a key. Arrows point to the right, towards a third hand that holds up a light bulb with a keyhole above a wireframe globe.

11 February 2026

How my understanding of software changed

A classic database only stores the “now” and forgets history. In this article, I describe my journey to DDD and event sourcing and explain why we need to learn to model time itself.

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