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Founding Engineer

Nessie · San Francisco, CA, US · On-site

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About Nessie

The shared context layer for recursive companies - your work, your…. Backed by Y Combinator.

About the role

We’re looking for one engineer who can build. You’ll build the shared context layer for recursive companies: a data lake that ingests everything a team produces with AI, an ontology that turns it into trustworthy, typed knowledge, and the loop that lets people and agents improve from it. You’ll own real surface area from day one. We’re three people with years of runway, so you’ll have enormous autonomy and you’ll ship constantly.

What they're looking for

  • The instinct to ship before it’s perfect
  • The ability to work with extreme autonomy. We are three people. There is no manager and no spec, there is a problem and you figure out how to solve it
  • Opinions about the products you use. If you have never looked at an app and thought “this is wrong and here is how I would fix it,” we are probably not a match
  • Comfort with ambiguity. The product is evolving fast, and what you work on in week 1 may differ from week 4. That should excite you
More about this role

We’re looking for one engineer who can build. You’ll build the shared context layer for recursive companies: a data lake that ingests everything a team produces with AI, an ontology that turns it into trustworthy, typed knowledge, and the loop that lets people and agents improve from it. You’ll own real surface area from day one. We’re three people with years of runway, so you’ll have enormous autonomy and you’ll ship constantly. And because we’re a tiny team, the role is broad: alongside building, you’ll pick up internal ops, customer relationships, and whatever moves the company that week. The heart of it is building.

  • You have shipped something real: something with users, or something you use every day because you made it for yourself. You have gone from nothing to working software more than once.
  • You’re comfortable across the stack. We ship native desktop apps on macOS, Windows, and Linux, a CLI and background daemon, agent integrations, and a cloud backend, across several languages. You do not need experience in all of these. You need to be the kind of person who picks up what they need.
  • You reach for AI tools instinctively (Claude Code, Cursor, Codex) and you are faster...

Read the full posting on Nessie's site ↗

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