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Arena Intelligence

Crowdsourced LLM evaluation and comparison platform

Recruiting Coordinator - Founding Talent Operations

HR Operations & CoordinationConfirmed live in the last 24 hours
Full-timeSan Francisco, CA, USANo salary listed

About the Job

Requirements

  • Have 1–3+ years of experience in recruiting coordination, executive administration, or talent operations within a fast-paced technology company, high-growth startup, or top-tier search firm.
  • Write and communicate clearly, concisely, and with polish; be comfortable challenging and aligning senior leaders to keep hiring velocity high.
  • Be highly proficient in modern tools such as Ashby or Greenhouse, Google Workspace, Slack, Notion, and Prelude.
  • Demonstrate high ownership, proactive problem-solving, systems and operations thinking, and attention to detail and precision.

Responsibilities

  • Own end-to-end interview coordination across complex, multi-stage pipelines, including technical challenges, research panels, founder and executive interviews, and debriefs.
  • Serve as the primary high-touch liaison for candidates and ensure a seamless, transparent, and memorable interview process.
  • Partner directly with Arena’s founders and executive team to optimize hiring bandwidth, protect calendars, and hold hiring teams accountable to rapid feedback loops.
  • Help design, automate, and scale the talent technology stack, including applicant tracking system workflows, scheduling automation, candidate communications, and pipeline analytics.
  • Resolve scheduling disruptions and urgent priority conflicts in real time using sound judgment and immediate solutions.
  • Maintain data integrity across recruiting systems and track pipeline metrics such as conversion rates, time-to-schedule, and candidate velocity to identify bottlenecks.

Desired Qualifications

  • Prior experience at an early-stage or Series A–B venture-backed startup.
  • A keen interest in artificial intelligence, machine learning, and enterprise autonomy.
  • Experience building or iterating on interview rubrics, onboarding workflows, or talent analytics dashboards.

About the Company

Arena Intelligence

Crowdsourced LLM evaluation and comparison platform

Arena Intelligence provides a crowdsourced, open platform for evaluating large language models (LLMs) by running head-to-head comparisons of two anonymous models on user prompts. Users vote on the better response and, after voting, model identities are revealed; the results generate large-scale preference data used to compute Elo ratings published on a public leaderboard. Originating from LMSYS and UC Berkeley’s Sky Computing Lab as Chatbot Arena, the project evolved into a company and rebranded to Arena, with $100 million seed funding in 2024 to scale the platform. The underlying framework, FastChat, remains open source, including the user interface and serving backend. Arena differentiates itself by providing a transparent, real-world benchmarking method that aggregates community-driven judgments and offers analytics to AI labs and enterprises, aiming to guide model development with observable performance data.

Company size
51-200
Company stage
Series B
Total funding
$450M
Headquarters
San Francisco, CA
Founded
2025

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