Platform ML Engineer: Production AI for Institutions

Brain Co. is building AI-native operating systems for regulated institutions with Atlas at the core. As a Machine Learning Engineer on Platform, you will develop core ML capabilities that power production products—improving document extraction, model routing, and evaluation across use cases.

You’ll work at the intersection of research and production, applying LLMs, RL fine-tuning, and agentic systems to create reusable platform capabilities used by multiple pods and customers.