Senior Data Scientist

LMArena
San Francisco, CA
Category Research
Remote
Job Description
LMArena is an open platform for evaluating AI models in the real world. As a Senior Data Scientist, you'll explore and reason about data that powers millions of AI evaluations each week.

Requirements

  • 6+ years of experience in data science, ML analytics, or applied research, preferably in AI, ML, or large-scale data environments.
  • Strong proficiency in Python, with deep experience in Pandas, NumPy, and distributed frameworks like Spark.
  • Expertise in statistical modeling, causal inference, and experimental design.
  • Experience reasoning about data distributions, sample quality, and the effects of data distribution shifts.
  • Strong communication skills and the ability to collaborate closely with ML researchers and engineers.

Benefits

  • Competitive salary
  • Meaningful equity
  • Comprehensive healthcare coverage (medical, dental, vision)
  • Opportunity to work on cutting-edge AI with a small, mission-driven team
  • Culture that values transparency, trust, and community impact
]]>