AI Evaluation Scientist — Real-World ML Research

Arena Intelligence, Inc. in San Francisco seeks machine learning scientists to design and analyze experiments that reveal what makes AI models useful, trustworthy and capable through human preference signals. You will work with engineers, product teams, and researchers to develop methods for comparing models and disentangling performance factors.

This role is deeply interdisciplinary. You’ll contribute to open-ended questions, rigorous evaluation, and research with real-world impact while