Staff ML Engineer: Build Production-Ready AI for High-Stakes Decisions

Primer is building trusted, decision-ready AI for leaders, operators, and analysts. We seek a Staff Machine Learning Engineer who will own AI-driven products end-to-end—from prototype to production—across large language models, agentic systems, retrieval, embeddings, and fine-tuned models.

You’ll ship reliable systems at scale and drive real-world impact. You will partner with product and engineering leaders to define the technical roadmap, raise the engineering bar, and ensure the AI delivers