Hiring: Senior Data Scientist, Ads Company: Reddit, Inc. Location: San Francisco, CA Job Posted Time: 2026-09-09 18:05:23 Employment Type: Remote Target Skills & Keywords : Machine Learning, Rust About the job Experience: •5+ years of industry experience in applied science or data science roles •4+ years of industry experience in applied science or data science roles Required Skills: •We are looking for a highly motivated and experienced Senior Data Scientist to join our growing Ads Data Science team. As a Senior Data Scientist, you will play a key role in developing as well as applying cutting-edge DS models/methods to improve the adoption and performance of our advertising platform through data-driven insights. You will work closely with product managers, engineers, and other data scientists to identify opportunities, define metrics, and build solutions that drive significant impact for Reddit. •Responsibilities: •Design, develop, and apply DS solutions to inform improvements in advertiser experience and Reddit's ad platform •Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising platform •Collaborate with product managers and engineers to define product requirements and translate them into data science solutions •Develop ML models & DS methods to improve anomaly detection, prediction, & pattern recognition •Communicate findings and recommendations to stakeholders across the organization •Stay up-to-date on the latest advancements in machine learning and data science •Mentor and guide junior data scientists on the team Qualifications: •Advanced degree (Masters or Ph.D.) in a quantitative field such as: Statistics, Mathematics, Physics, Economics, or Operations Research •For M.S. holders: 5+ years of industry experience in applied science or data science roles •For Ph.D. holders: 4+ years of industry experience in applied science or data science roles •Platform experience and a deep understanding of the ads ecosystem •Strong understanding of statistical modeling, machine learning algorithms, causal inference and experimental design •Experience wi Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!