Platform / Infrastructure Engineer – AI Training Data

You've owned a platform at scale. Now build the one that produces training data for the world's leading AI labs. A profitable, seed-stage AI company in San Francisco builds the environments and post-training data that frontier models learn from. Every leading US AI lab is a customer. Behind that sits an internal platform that produces the data at scale, and that platform is yours. You work right next to the research team, so a genuine interest in AI research matters as much as your infrastructu…