Lark

The E2E testing layer for AI-driven development

San Francisco

5 employees

Pre-seed

About Lark

Lark lets teams write end-to-end tests in plain English. Validate dashboards, APIs, SDKs, and full product flows without maintaining fragile test code. Run continuously on feature branches, in CI, or in production.

Company details

Team Size5

LocationSan Francisco

IndustryAI

Funding

Last stage

Pre-seed

Investors

Y Combinator

Founders

Jack Brown

Jack is the co-founder of Lark. Previously, Jack built usage-based billing at Stripe to support the complex pricing models of the worlds biggest AI companies. Prior to his previous role, Jack led engineering teams at fast-growing startups, where he built developer tooling infrastructure to improve developer productivity.

Vijit Dhingra

Previously spent five years at Stripe as a tech lead, building usage-based billing, payments infrastructure, and testing infrastructure to improve developer productivity and product reliability.

What happens next.

No applications, no recruiter spam. Just the intro.

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.