principal machine learning Applied Scientist tech_leadership · Posted Oct 14, 2025
$198,900 – $269,000
USD per year

About this role

Amazon is hiring a principal-level Applied Scientist in the machine learning function based in Seattle, WA. The posting calls out experience with LLMs, Distributed Systems, Data Structures, Machine Learning. Compensation is listed at $198,900–$269,000 per year.

Role
Applied Scientist
Function
machine learning
Level
principal
Track
Tech leadership
Employment
Full-time
Location
Seattle, WA
Department
Applied Science
Posted
Oct 14, 2025
AI Summary
Principal Applied Scientist leading science innovation for personalized shopping experiences at Amazon. Develops LLM-based techniques, transformer models for customer intent understanding, and large-scale ranking systems. Mentors applied scientists and drives science roadmap across multidisciplinary teams.

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Job description

from Amazon careers

We are building the next generation of personalized shopping experiences at Amazon through deep understanding of our customer's intent and our product catalog. We aim to create an experience akin to that of a talented personal shopping assistant — a partner that is knowledgeable, understands your preferences, and helps you find the right solution for your needs. As a Principal Applied Scientist on the team, you will help lead science innovation in our space across a large multidisciplinary team. You will have a breadth of problems to work on, ranging from developing state of the art LLM-based techniques to reason about customers and products, developing deep learned transformer-based models to understand and abstract customer intent signals and representations, building large-scale real-time multi-task ranking systems, and more. You will build technology employed by teams across the company, while also having a direct connection to millions of customers through our own customer facing features every day. Come join us in the journey! Key job responsibilities * Innovate new features and models that have huge impact on the customer experience. Help customers find the right products and content on their shopping journey. Leverage the use of advanced machine learning to create customer shopping…

This is an excerpt. Read the full job description on Amazon careers →
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