
AI Build Night: From Idea to App, With a Founder Who Did It Solo
Gregor Zehetner co-founded Tapkey and exited it. His next company is fully vibecoded: built himself, with Claude Code, now 70,000+ lines of code and 300+ tests, almost none of it typed by hand. That is the proof, not a pitch. Someone who already built and sold a company chose to build the next one alone, because the tools got good enough that domain knowledge became the bottleneck instead of engin





