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Member of Technical Staff - Software Engineering Capabilities

Preference Model

toronto, on, Canada Full-time July 07, 2026

Found Description

About Us

Preference Model is automating ML engineering and a critical component is models' abilities to develop software.

The way we build software is changing fast. Five years ago we wrote every line of code by hand. Today, we don't. What does our work look like five years from now? We are shaping this future.

Recent models work well on narrow tasks but are still brittle on real software work: large codebases with real conventions and technical debt, judgment-heavy design decisions, and multi-step problems. The bottleneck on fixing that is the supply of hard, high-fidelity scenarios that find where the best models still break. That is what we build.

Our founding team has previous experience on Anthropic’s data team building data infrastructure, and datasets behind Claude. We are partnering with leading AI labs to push AI closer to achieving its transformative potential.

About the Role

You will work on frontier AI from day one. You wi...

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