Job Description

About the Role

Join the founding research team at an AI company to investigate whether expert-authored datasets improve frontier language models and inform future product direction. The role focuses primarily on hands-on experimentation, with collaboration across clients, partners, and the data team.

What You'll Do

Post-train models on curated datasets, measure performance changes, and diagnose cases where the data does not improve results.
Design and run evaluations of frontier language models across expert domains such as law, medicine, and finance.
Select and apply training approaches, including supervised fine-tuning, reinforcement learning, and preference-based methods.
Turn research findings into dataset specifications and product recommendations.
Share results through research papers, public benchmarks, and blog posts.

What We're Looking For

A PhD in