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Hi, I’m Lennart!

Software Engineer from Germany.
I’m passionate about working on open source projects & making the web more inclusive through them.

I’m currently working at Clerk.

Latest Post

Writing Performant CSS With vanilla-extract

It's like CSS Modules-in-TypeScript

Learn how to build a Tailwind UI component from scratch by writing performant and type-safe CSS with vanilla-extract. The component will support multiple variants and themes.

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Open Source

Working in the open, interacting with the community & building projects that are accessible to everyone fill me with joy.

Featured ProjectsGitHub

Get high-quality and customizable Gatsby themes to quickly bootstrap your website! Choose from many professionally created and impressive designs with a wide variety of features and customization options.

Local package testing made easy