Founder and product engineer from Berlin
For 9+ years I've been building things people actually use, like Domain Digger. Most recently I spent a year on the platform team at Kombo (YC S22). Now I'm figuring out what to build next.
Always happy to chat, just email me at felix@[this domain]
Owned reliability, infra cost and engineering velocity for an org of 20 engineers. Rewrote the unified API's hottest query path from ~90s to under 100ms, which earned me the team's “database guru” title.
Surveyed DNSSEC adoption across a self-collected dataset of 171 million domains spanning every TLD, and published the dataset.
At age 20, beat 99 other engineers solving coding puzzles live on stage in front of 4,000 people at WeAreDevelopers World Congress, leading every round by minutes.
DNS and domain intelligence tool with 10k monthly visitors. Sponsored by Vercel and featured in GitHub's Open Source Spotlight at WeAreDevelopers 2024.
1,349A browser game about growing and defending your crops under pressure.
Translates Discord voice calls in real time using only open-source tools. Built for Discord Hack Week and grew to 5k+ active installations.
80My first investor pitch, at age 15: a sensor that tells carers when a diaper needs changing. Started as a school project with Fraunhofer (slides in German).
San Francisco is praised as the best place to be for building a startup. But is it? I'd disagree.
To save on costs on their free plan, Cloudflare is unwilling to pay the premium imposed by Deutsche Telekom, thereby unnecessarily routing European traffic through North America.
My Bachelor Thesis, surveying 171M domain names across all TLDs for DNSSEC adoption and categorizing the results
