Software Engineer - Platform is open at Arena in SF Bay Area. The posting gives no salary; similar roles in the United States advertise a median of $192K. Posted on Sep 24, 2026, and still on Arena’s careers page when we last checked, on Nov 14, 2026.
About the role
Arena Intelligence is looking for a Software Engineer - Platform to build the core infrastructure that sits beneath our online evaluation systems — the AI gateways, automated arena runtimes, and serving layers that make real-world model evaluation possible at scale. This is a critical part of the Arena Service. Arenas are live, online systems: they route traffic across frontier models from many providers, handle…
The opening lines of the posting. The rest is on Arena’s careers page.
Hiring at Arena
Arena has 21 open roles right now. Most are in Engineering, Security and People & Recruiting. See all its roles
