> Markdown version of [/@rens-verhage](https://www.wearedevelopers.com/@rens-verhage). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Rens Verhage
Java consultant at Team Rockstars IT digging into database fundamentals and API design.

## About

Rens Verhage builds web applications and consults on backend architecture at Team Rockstars IT. He focuses on core system components, digging into the specifics of API and database design.

After almost two decades in software development, he speaks about the foundational technical decisions that shape systems. He covers the history and practical application of UUIDs, breaking down how to choose and use unique identifiers effectively across different environments.

When he is away from the keyboard, Rens travels the globe to explore the ocean as a PADI Advanced Open Water diver.



## Past Sessions

### World Congress 2024 · July 17, 2024
Berlin, Germany
- [Everything you ever needed to know about UUIDs (and a bit more)](https://www.wearedevelopers.com/events/world-congress-2024/sessions/348-everything-you-ever) · 30 min