Arena jobs, careers, and hiring context

Explore Arena careers: 19 open roles hiring now. Find jobs at Arena with direct links to apply. Funding stage: Series B. Headcount: 11-50. Arena (formerly LMArena) operates a crowdsourced AI model evaluation platform where users compare and vote on outputs from different large language models, producing public Elo-based leaderboards. Founded by UC Berkeley researchers, it now serves enterprises evaluating AI model performance in production.

This page summarizes open roles, company profile signals, and official application paths so candidates can quickly evaluate fit before applying. Use the role list below to identify team focus, review location patterns, and jump to source listings. For broader comparison across the market, continue to the full company directory and jobs explorer.