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Applied Scientist , Personalization & Ranking

Seattle, Washington, United States💼 Full-time💰 $142,800–$193,200🗓 2026-06-08 → 2026-07-29

Core

Research, design, and development of new AI technologies for Personalization and Recommendation systems to optimize the shopping experience for millions of customers.

Role type

Senior Applied Scientist (Personalization & Ranking)

Builds

Production AI solutions, models, and features for Amazon's retail website

Domain

E-commerce, Machine Learning, Recommendation Systems

Deliverable

production ML models | product features

Required skills

Deep learning, Large Language Models (LLMs), Reinforcement Learning, distillation, Optimization methods, algorithms and data structures, numerical optimization, parallel and distributed computing, high-performance computing

Preferred skills

Unix/Linux, professional software development

Technologies

Java, C++, Python

Responsibilities

Build state-of-the-art models to optimize the shopping experience; Develop AI solutions for Recommendation systems; Design, implement and launch AI solutions end-to-end; Design and conduct offline and online (A/B) experiments

Seniority

Senior, hands-on IC

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