aijobsdesk38K+ open roles
Companies

Arena

Public platform for evaluating AI models by human preference.

Website
San Francisco, CA, USA
Founded 2023
$250M raised; last valued around $1.7B.
AI
Developer tools

Funding history

  1. Series A$150Mat $1.7B2026-01-06

    Felicis, UC Investments

  2. Seed$100Mat $600M2025-05

    Andreessen Horowitz, UC Investments, Lightspeed Venture Partners, Felicis, Kleiner Perkins

17 open roles

Member of Design Staff - Product
—
Design·San FranciscoStaff / Lead+HybridFull-time
2d ago
Software Engineer - Full Stack
—
Full-stack·San FranciscoMid-levelHybridFull-time
3d ago
Applied AI Engineer
$150k-$250k
Applied AI·San FranciscoMid-levelHybridFull-time
9d ago
Software Engineer - Marketing & Web
—
Eng·San FranciscoSeniorHybridFull-time
23d ago
GTM Strategy & Ops Lead
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Sales·San FranciscoStaff / Lead+HybridFull-time
38d ago
Business Development
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Partnerships·San FranciscoStaff / Lead+HybridFull-time
38d ago
Associate General Counsel - AI Product & Privacy
—
Legal·San FranciscoSeniorHybridFull-time
68d ago
People Operations Lead
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People·San FranciscoStaff / Lead+HybridFull-time
103d ago
Software Engineer - Anti-Abuse
$180k-$300k
Eng·San FranciscoSeniorHybridFull-time
150d ago
Senior Software Engineer - Product
$150k-$300k
Eng·San FranciscoSeniorHybridFull-time
152d ago
Product Solutions Engineer
$150k-$250k
Sales·San FranciscoMid-levelHybridFull-time
208d ago
Technical Recruiter
$150k-$260k
Recruiting·San FranciscoStaff / Lead+HybridFull-time
276d ago
Software Engineer - ML Infrastructure
$150k-$350k
ML Eng·San FranciscoMid-levelHybridFull-time
276d ago
Staff Software Engineer - Product
$200k-$350k
Eng·San FranciscoStaff / Lead+HybridFull-time
276d ago
Software Engineer - Data Infrastructure
$150k-$350k
Data Eng·San FranciscoMid-levelHybridFull-time
276d ago
Software Engineer, Product Security
$150k-$350k
Eng·San FranciscoSeniorOnsiteFull-time
276d ago
Machine Learning Scientist - ML Research
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Research·San FranciscoHybridFull-time
276d ago