principal machine learning Applied Scientist tech_leadership · Posted Apr 6, 2026
$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 Bellevue, WA. The posting calls out experience with LLMs, NLP, Deep Learning, Reinforcement 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
Bellevue, WA
Department
Applied Science
Posted
Apr 6, 2026

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Job description

from Amazon careers

The Principal Applied Scientist will own the science mission for building next-generation proactive and autonomous agentic experiences across Alexa AI's Personalization, Autonomy and Proactive Intelligence organization. You will technically lead a team of applied scientists to harness state-of-the-art technologies in machine learning, natural language processing, LLM training and application, and agentic AI systems to advance the scientific frontiers of autonomous intelligence and proactive user assistance. The right candidate will be an inventor at heart, provide deep scientific leadership, establish compelling technical direction and vision, and drive ambitious research initiatives that push the boundaries of what's possible with AI agents. You will need to be adept at identifying promising research directions in agentic AI, developing novel autonomous agent solutions, and translating advanced AI research into production-ready agentic systems. You will need to be adept at influencing and collaborating with partner teams, launching AI-powered autonomous agents into production, and building team mechanisms that will foster innovation and execution in the rapidly evolving field of agentic AI. This role represents a unique opportunity to tackle fundamental challenges in how Alexa proactively understands user needs, autonomously takes actions on behalf of users, and delivers intelligent assistance through state-of-the-art agentic AI technologies. As a science…

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