Senior ML Engineer: Agentic Foundations & LLMs

DoorDash seeks a Senior Machine Learning Engineer for the Agentic Foundations team in a hybrid role. You will own continuous improvement of flagship agents, starting with the Ask Assistant, using eval-driven loops to speed, cost-efficiency, and reliability for millions of customers. You will extend these capabilities to merchants and dashers, turning ideas into production‑ready agents. You will work at the intersection of LLMs, agents, post‑training, and evals, collaborating on agent memory,