Senior Software Engineer, Backend — Frontier Data

The Frontier Data team builds the data and systems that power Scale’s most advanced Frontier AI use cases (agentic capabilities like coding agents, tool use, and GUI / computer-use automation). Our work sits at the intersection of applied AI and robust backend engineering: we turn messy, ambiguous problems into scalable platforms and pipelines that reliably produce high-quality outcomes. We’re looking for a Senior Backend Engineer who thrives in ambiguity, moves fast, and enjoys tackling dauntin