Principal AI Scientist, Personalization & Discovery

Prime Video & Amazon MGM Studios; Culver City (CA); On-site; USD 229,000 - 309,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

Prime Video is seeking a Principal Applied Scientist to lead groundbreaking AI solutions that power personalized experiences for millions of customers worldwide. You will guide ML systems from foundational research to production, collaborating with engineers, product managers, and senior stakeholders.

The role requires deep ML and recommendation systems expertise, a track record of delivering AI at scale, and the ability to mentor scientists while shaping product roadmaps.

Qualifications

• PhD (or Master's with 10+ years of applied experience) in machine learning, computer science, statistics, or a related field.
• 8+ years experience designing, building, and deploying ML models for real-world business applications at scale.
• Proven leadership in driving cross-functional ML/AI initiatives from ideation through production.
• in Python, Java, or C++, and experience with ML frameworks (e.g., TensorFlow, PyTorch).
• Deep expertise in recommendation systems, search relevance, or large-scale personalization systems.

Responsibilities

• Invent, prototype, and productionize large-scale AI solutions across Prime Video's personalization and discovery ecosystem using deep learning, generative AI, reinforcement learning, and optimization techniques.
• Provide technical leadership and influence product vision by collaborating closely with engineers, product managers, and senior stakeholders.
• Design and lead high-impact A/B tests and data analyses to validate hypotheses and guide product direction.
• Drive technical bar-raising across science and engineering teams through mentorship, design reviews, and collaboration.
• Stay ahead of industry trends and emerging research; leverage them to evolve long-term strategy and architecture.
• Publish impactful research internally and externally (e.g. top-tier conferences and journals).

Skills

Python

Java

C++

TensorFlow

PyTorch

Leadership

Education

PhD

Master's with 10+ years

Tools

Hadoop

Spark

Job description

Prime Video is seeking a Principal Applied Scientist to lead groundbreaking AI solutions that power personalized experiences for millions of customers worldwide. You will guide ML systems from foundational research to production, collaborating with engineers, product managers, and senior stakeholders.

The role requires deep ML and recommendation systems expertise, a track record of delivering AI at scale, and the ability to mentor scientists while shaping product roadmaps.