Sr. Applied Scientist, Prime Video - Personalization and Discovery Science

Amazon
Sunnyvale, CA, USA / New York, NY, USA / Seattle, WA, USA2026-02-23ONSITE

About the job

Our organization is building world-class teams with deep expertise in large-scale recommender systems. This role sits at the intersection of AI research and direct business impact, where recommendation quality directly influences business outcomes and customer satisfaction. You'll be joining a team focused on foundational models for recommender systems and working on production systems that serve millions of customers and shape the future of personalized entertainment experiences.

Responsibilities

Develop AI solutions for various Prime Video Search & Recommendation systems using Deep Learning, Reinforcement Learning, Optimization Methods, and most importantly, GenAI

Work closely with engineers and product managers to design, implement and launch AI solutions end-to-end

Design and conduct offline and online (A/B) experiments to evaluate proposed solutions based on in-depth data analyses

Effectively communicate technical and non-technical ideas with teammates and stakeholders

Stay up-to-date with advancements and the latest modeling techniques in the field

Publish your research findings in top conferences and journals

Qualifications

Minimum

PhD, or Master's degree and 6+ years of applied research experience

5+ years of building machine learning models for business application experience

Experience programming in Java, C++, Python or related language

Experience with neural deep learning methods and machine learning

Preferred

Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc.

Experience with large scale distributed systems such as Hadoop, Spark etc.