> Markdown version of [/@matthias-lettl](https://www.wearedevelopers.com/@matthias-lettl). 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). --- # Matthias Lettl Product engineer building TypeScript applications with a focus on web user experience. ## About Matthias Lettl builds modern web applications for the German Air Force and BWmedien GmbH. Working primarily in TypeScript, he operates in small teams that take features from initial user needs all the way to production. He focuses on user experience and the practical realities of web platforms. He speaks about the technical design of web push notifications, exploring how developers can turn a common annoyance into a tool users actually want. Based in the Bavarian Forest, Matthias spends his offline hours playing sports and exploring nature with his family. ## Past Sessions ### World Congress 2026 Europe - Virtual Stage ยท June 30, 2026 Online - [Web Push: Turning Annoyance into Engagement](https://www.wearedevelopers.com/events/world-congress-2026-europe-virtual-stage/sessions/1637-web-push-turning) ## Links - [X](https://x.com/matthiaslettl) - [LinkedIn](https://www.linkedin.com/in/matthias-lettl) - [Blog](https://matthiaslettl.com/blog)