🎧 START pod: Jack Brown, Founder, Lark: “The E2E testing layer for AI-driven development.”

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The way to make software faster was always: make the code happen faster

AI solved that

Cursor, Claude Code, Replit...

Building is nearly instant now
So what's slow?

Knowing if it actually works.

When AI writes your feature, someone still has to answer: did it break everything else?

That's the new bottleneck. Not creation. Validation.

Jack Brown is building Lark to solve exactly that

An AI QA engineer that writes tests, keeps them updated, and continuously validates
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🎙️ Jack Brown, Cofounder, Lark on Fondo START pod
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00:15 Building an AI QA engineer
01:56 AI dramatically increased development velocity
02:15 The bottleneck becomes verification
02:25 Cursor writes the code. Lark writes the tests.
03:24 Acceptance criteria → automated validation
04:15 Non-technical founders building software with AI
05:35  Lark agents autonomously defining tests
06:31 Everything is just validation
07:56 Fully agentic software creation
08:53 Why testing becomes more critical in AI-generated codebases

Visit getlark.ai to learn more