Senior Machine Learning Engineer, Sponsored Products and Brands Relevance

Description
Build the ML systems that decide which ads billions of shoppers see every day — the SPB Relevance team owns ad selection across one of the world's largest product catalogs, matching customer intent to relevant ads in milliseconds at Amazon scale.

As a Senior MLE, you'll drive the technical direction of real-time ML serving systems that process billions of daily requests under strict latency SLAs, while mentoring engineers and shaping the future of ad relevance on Amazon Search. You'll work at the intersection of deep learning, NLP, LLMs, and distributed systems — directly impacting both shopper experience and advertiser ROI.

Why this role:

- Own systems that serve billions of ad impressions daily with millisecond-level latency
- Drive technical strategy across deep learning, Auto ML, and real-time serving infrastructure
- Directly impact shopper discovery and advertiser ROI at massive scale
- Exposure to the latest innovations in NLP, ...