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Research Engineer - Agency and Reasoning

Zyphra · San Francisco

Research Engineer - Agency and Reasoning is open at Zyphra in San Francisco. The posting gives no salary; similar roles in the United States advertise a median of $194K. Posted on Mar 17, 2026, and still on Zyphra’s careers page when we last checked, on Nov 14, 2026.

About the role

As a Research Engineer - Agency and Reasoning, you will be a core contributor to Zyphra’s Agency and Reasoning Team. You will be involved with performing novel research in reinforcement learning, post-training, and human preference learning, and applying your ideas at scale to our next generation of language models. WHAT WE’RE LOOKING FOR / REQUIREMENTS: - Strong research taste and intuition - The ability to work…

The opening lines of the posting. The rest is on Zyphra’s careers page.

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