Arena Intelligence, Inc.
Created by researchers from UC Berkeley, Arena (formerly LMArena) is a community-powered platform to measure and advance the frontier of AI for real-world use. Tens of millions of builders, researchers, and creative professionals come to Arena to use frontier models and give feedback on their responses, shaping a public leaderboard grounded in real-world use.
Open Positions at Arena Intelligence, Inc.
8 open positions
Build the detection, enforcement, and investigation platform that keeps Arena Intelligence’s AI evaluations trustworthy and protects users from platform abuse. This founding security engineering role combines backend development, adversarial investigation, trust and safety, and cross-functional strategy.
Arena Intelligence seeks a Senior Software Engineer to own user-facing product features across the full stack, from scoping through launch and iteration. You’ll combine hands-on coding with product judgment while helping turn AI research services into reliable production experiences.
Partner with leading AI labs to integrate models, deliver evaluations, and turn customer needs into shipped engineering solutions. This hands-on role blends technical customer partnership with frontend and backend development across Arena Intelligence’s platform.
Design and scale the real-time API, data, and infrastructure systems that power Arena Intelligence's AI model evaluations. This senior role combines distributed systems, low-latency data processing, reliability engineering, and technical mentorship.
Arena Intelligence is hiring a hands-on Staff Software Engineer to own product areas end-to-end, from identifying opportunities and designing systems to shipping, measuring, and iterating on results. The role combines deep full-stack or backend engineering with strong product judgment and close collaboration with AI researchers.
Build and scale the data infrastructure powering Arena Intelligence’s real-world AI model evaluations. You’ll create reliable pipelines for tens of millions of user votes and turn them into insights for researchers, model providers, and the public.
Arena Intelligence is seeking a founding product security builder to secure the identity, APIs, data flows, and model-inference paths behind a platform serving millions of users. You’ll set the security vision while writing the code, frameworks, and tooling that make the product resilient against evolving attacks.
Join Arena Intelligence as a Machine Learning Scientist to advance AI model evaluation through innovative experiments and interdisciplinary collaboration.