AI Engineer · AI

Distill the LLM, Don't Serve It: Search & Personalization at DoorDash — Raghav Saboo, DoorDash

Search for gluten-free pasta and a ranker trained on engagement may show you regular spaghetti, because it sells well. Raghav Saboo, Staff ML Engineer and Tech Lead for Search & Personalization at DoorDash, argues that the real bottleneck in marketplace discovery is semantic understanding, not engagement. As DoorDash grows into grocery, retail, pets and gifting across billions of store-level items, it uses LLMs to understand what items mean and w

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