The role is focused on enhancing ad quality and performance through advanced machine learning and optimization algorithms within the Ad Ranking team at Netflix. This team is responsible for driving ad personalization and creating innovative, data-driven solutions that deliver relevant ad experiences for members while achieving impactful results for advertisers. The position requires collaboration with the product team to align optimization objectives with business goals. Candidates will work with large-scale production data and communicate technical decisions to various stakeholders.

• 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.

• 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.

• Employees at Netflix are often offered flexible, people-first benefits—unlimited time away, generous parental leave, global family-forming support, mental-health programs (mindfulness, free counseling/coaching), and health coverage tailored by country. Financially, Netflix pays at personal top-of-market and lets employees choose their mix of cash vs. fully-vested 10-year stock options, alongside donation and volunteer matching. Convenience perks can include trust-based travel/expense policies, relocation support, and “Work, Not Drive” rideshare flexibility.