Machine Learning Scientist 5 - Ad Ranking

At Netflix , our mission is to entertain the world. Together, we are writing the next episode - pushing the boundaries of storytelling, global fandom and making the unimaginable a reality. We are a dream team obsessed with the uncomfortable excitement of discovering what happens when you merge creativity, intuition and cutting-edge technology. Come be a part of what’s next.

We launched a new ad-supported tier in November 2022 and are building an in-house world-class ad tech ecosystem to offer our members more choices in consuming their content. Our new tier allows us to attract new members at a lower price point while also creating a compelling path for advertisers to reach deeply engaged audiences.

Our Team:

The Ad Ranking team within the Ads Data Science and Engineering organization is the central intelligence driving ad personalization at Netflix . The team is responsible for enhancing ad quality and performance through advanced machine learning and optimization algorithms, utilizing both proprietary and external data signals. Key areas of focus include Identity Science, User Understanding, Audience & Targeting, Relevance & Engagement Prediction, and Bidding & Pacing. Our goal is to create innovative, data-driven solutions that deliver highly relevant ad experiences for our members and achieve impactful results for advertisers, all while upholding the exceptional quality and personalization characteristic of the Netflix experience.

Responsibilities:

Design and implement machine learning and optimization algorithms to improve ad quality and performance.

Build, train, and evaluate models on large-scale production data.

Develop online and offline evaluation frameworks to rigorously measure the impact of model and algorithm improvements.

Partner closely with the product team to define optimization objectives, constraints, and trade-offs that align with product and business goals.

Communicate technical decisions, trade-offs, and experiment results to both technical and non-technical stakeholders, driving understanding and adoption of ML-driven solutions.

Qualifications:

Advanced degree (PhD or Master’s) in Computer Science, Statistics, Mathematics, or related quantitative field.

Proficiency in Python, Scala or Java.

Deep knowledge of machine learning, optimization, and data analysis techniques.

Experience with prototyping and deploying algorithms using large-scale production data.

Strong business acumen and ability to translate technical results into business impact.

Experience in ad optimization stack, e.g. targeting, ranking, bidding..

Excellent communication and collaboration skills.

Netflix provides comprehensive benefits including Health Plans, Mental Health support, a 401(k) Retirement Plan with employer match, Stock Option Program, Disability Programs, Health Saving