Founding Engineer (Backend)

Fenrock AI

full time mid tech
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We're a fast-growing W26 YC startup building the AI operating system for banks and credit unions.

We’re a team of repeat entrepreneurs, ex-VCs, ex Google/Apple ML leaders, and Math/Cyber Olympiad gold medalists. We're working directly with bank CEOs to build AI products that completely transform their business.

We're looking for founding engineers who want to build from first principles.

What we're looking for

You have shipped real products that people depend on.

More important than a specific tech stack, we're looking for engineers who:

Experience in fintech, healthtech, or enterprise software is a plus, but not required.

What you'll do

Why join

If you're happiest when you're building, learning, and taking ownership, we'd love to talk.

Posted 7 Jul 2026 · ref 179385