Careers

Build the layer that makes agents learn.

A small team in Spain working on a hard, specific problem: making lessons last.

Small and senior

We hire people who have shipped and maintained systems in production, and who care what happens after the launch.

Evidence over opinion

Product decisions carry the same standard as our changes: a trace, an owner, and a review.

Remote across the EU

Headquartered in Spain, working across European time zones, with quarterly in-person weeks.

Open roles

Four roles, one loop.

Founding Engineer, Harness

Remote (EU) · Full-time

Own the evaluation harness: case capture, replay, and regression detection across frameworks.

Apply

Product Engineer, Review Workflows

Madrid or remote (EU) · Full-time

Build the change-record experience: evidence linking, approvals, and pull-request delivery.

Apply

Solutions Engineer

Remote (EU) · Full-time

Run pilots with customers, from the first trace to the first approved change.

Apply

Applied Researcher, Failure Clustering

Remote (EU) · Full-time

Improve how recurring failures are grouped and how candidate fixes are proposed.

Apply

How we hire

Four conversations, one work sample.

Intro call with the hiring manager (30 minutes).
A paid, scoped work sample close to real work — no whiteboard puzzles.
Technical and product deep-dive with two team members.
Conversation with a founder about the road ahead.

Benefits

What we offer

Competitive salary and meaningful equity · Remote-first with a home-office budget · 25 days of leave plus local holidays · Learning budget · Quarterly team weeks in Spain.

No matching role?

Write to us anyway.

Tell us what you would build. We keep a short list and reach out when a role opens.