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Sr. Applied Scientist, Prime AI/ML Science

Seattle, Washington, United States💼 Full-time🗓 2026-08-05 → 2026-09-26

Core

Develop AI/ML models and infrastructure at TB scale to model customer behavior, optimize the Amazon Prime membership experience, and build GenAI/LLM foundation models for personalization.

Role type

Senior Applied Scientist (Prime AI/ML Science)

Builds

GenAI/LLM foundation models, personalized optimization solutions, and scalable ML infrastructure for Amazon Prime

Domain

E-commerce, Customer Analytics, Generative AI

Deliverable

production ML models

Required skills

Machine learning model development, Deep learning, GenAI/LLMs, Transformer architectures, Reinforcement learning, Causal Econometric modeling, Statistical modeling, Large-scale data analysis, Problem formulation

Preferred skills

R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy, Hadoop, Distributed systems

Technologies

AWS EMR, Spark, Sagemaker, DynamoDB, S3, ClaudeCode

Responsibilities

Build and develop AI/ML models and supporting infrastructure at TB scale in coordination with software engineering teams; Leverage Deep Learning and GenAI solutions for building foundation models and personalized optimization solutions; Develop offline policy estimation tools and integrate with measurement systems/econometric models; Establish scalable, efficient, automated processes for large scale data analyses, science development, science validation and model implementation; Analyze and extract relevant information from large amounts of Amazon's historical business data to help automate and optimize key processes; Design, develop and evaluate highly innovative models and statistical approaches to understand and predict customer behavior and to solve business problems

Seniority

Senior, hands-on IC

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