Douwe Maan

Douwe Maan says hi!

Douwe Maan builds open source dev tools, currently Pydantic AI
Douwe Maan lives in Mexico City with his wonderful wife and son
Douwe Maan fell for her and Mexico on a GitLab trip around the world
Douwe Maan was born and raised in the south of the Netherlands
Douwe Maan can often be found in Chapultepec Forest when not at his desk

Douwe Maan builds dev tools

Douwe Maan has been programming for as long as anyone can remember
Douwe Maan has dabbled in backend, frontend, mobile, desktop, and embedded
Douwe Maan has dedicated his career to developer productivity and joy
Douwe Maan is fortunate to write almost exclusively open source code

Douwe Maan at startups

Douwe Maan builds agent framework Pydantic AI (lead engineer; April 2025–present)
Douwe Maan built data engineering toolset Meltano (founder & CEO; Sep 2019–March 2024)
Douwe Maan built DevOps platform GitLab (founding engineer; Feb 2015–Aug 2019)

Douwe Maan hosts this website on GitLab Pages
Douwe Maan holds the copyright to this site, obviously