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Principal Data Scientist, Core Shopping Data Science

Seattle, Washington, United States💼 Full-time💰 $189,400–$189,400🗓 2026-08-03 → 2026-09-26

Core

Define, validate, and enforce store quality metrics (relevance, duplication, staleness) using LLMs to improve the Amazon shopping experience for customers and advertisers.

Role type

Principal Data Scientist (Strategy & Technical Leadership)

Builds

Tooling for metric validation (walk-the-store bots, automated experiment inspection, VoC feedback loops) and evidence-based alignment frameworks.

Domain

E-commerce, Retail, Large Language Models (LLMs), Measurement Science

Deliverable

production ML models | dashboards & analysis

Required skills

Statistical inference, experimental design, sampling methodology, Python, SQL, LLM evaluation as judges/annotators, cross-organizational alignment

Preferred skills

E-commerce search/recommendations/advertising quality, communicating quantitative findings to senior executives, building reproducible analysis tooling

Technologies

Python, SQL, LLMs, Gecko (experiment inspection tool)

Responsibilities

Validate store quality metrics end-to-end (definitions, LLM implementation, accuracy); Identify gaps between Organic and Ads treatments; Drive alignment through deep-dive evidence presentations; Build tooling for repeatable metric validation; Own analytical rigor for subjective metrics

Seniority

Principal, strategy & mentorship

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