Data Scientist - ML Research at arena
Company: arena
Location: Bay Area
Workplace: On-site
Seniority: Mid-level
Category: Data
Compensation: Not listed: salary undisclosed on source
Posted: 2026-08-31
Stack: python, rust, go, llm
Role overview
As a Data Scientist you’ll explore and reason about the data that powers millions of AI evaluations each week. You’ll generate and test hypotheses, identify causal relationships, and uncover insights that help us understand how frontier models behave in the real world. You’ll collaborate with ML researchers and engineers to design experiments, analyze large-scale datasets, and build statistical frameworks that improve the reliability and interpretability of our AI…