Senior AI Engineer - Real-Time Entity Resolution & Enrichment

Baselayer is hiring a Senior AI Engineer to own a slice of the enrichment surface end-to-end. You will build and maintain discovery, verification, and linking of businesses using LLM-driven agents across web evidence, driving real-time risk signals.

The role focuses on model selection, prompt and tool engineering, and scalable evaluation, with stringent production standards and cost controls. Based in San Francisco, 4 days in the office weekly.