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Staff Data Scientist - Ads Experimentation Reddit. Location: remote-friendly or any office location - SF, LA, CHI, NY. Reddit has a flexible first workforce. At Reddit we continue to grow our teams with the best talent. We're completely remote friendly and will continue to be after the pandemic.. About the Role:. Reddit's Ads Data Science team is seeking a highly motivated Staff Data Scientist to revolutionize our advertising platform through cutting-edge experimentation. In this pivotal role, you'll spearhead the design, implementation, and analysis of complex A/B tests and advanced experimentation methodologies, driving significant improvements in advertiser performance and user experience. You'll be a strategic partner, collaborating closely with product managers, engineers, and fellow data scientists to shape a forward-thinking experimentation roadmap. As a thought leader, you'll champion best practices, driving the adoption of novel techniques in modeling, statistical frameworks, and causal inference, while mentoring junior data scientists. You'll thrive in a dynamic, cross-functional environment, partnering with a world-class team to push the boundaries of data-informed decision-making and product creation within Reddit's two-sided ads marketplace. If you are passionate about experimentation, eager to challenge the status quo, and driven to make a tangible impact, join us in shaping the future of Reddit ads.. Responsibilities:. Revolutionize Ad Performance with Advanced Experimentation. : Lead the design, implementation, and analysis of sophisticated A/B tests and experiments, leveraging innovative techniques like Bayesian approaches and causal inference to optimize complex ad strategies. Deliver Data-Driven Strategic Advantage. : Extract critical insights through in-depth analysis, developing automated tools and actionable recommendations to drive impactful decisions Define and refine key metrics to empower product teams with a deeper understanding of feature performance. Influence Product Strategy Through Data. : Partner with product and engineering to shape experiment roadmaps and drive data-informed product development. Champion Experimentation Excellence. : Provide technical leadership, mentor junior data scientists, and establish best practices for experimentation. Foster Cross-Functional Collaboration. : Drive impactful results by collaborating effectively with product, engineering, sales, and marketing teams. Required Qualifications:. M.S.: 10+ years of industry data science experience, emphasizing experimentation and causal inference.. Ph.D.: 6+ years of industry data science experience, emphasizing experimentation and causal inference. Master's or Ph.D. in Statistics, Economics, Computer Science, or a related quantitative field. Expertise in experimental design, A/B testing, and causal inference. Proficiency in statistical programming (Python/R) and SQL. Demonstrated ability to apply statistical principles of experimentation (hypothesis testing, p-values, etc.). Experience with large-scale data analysis and manipulation. Strong technical communication skills for both technical and non-technical audiences. Ability to thrive in fast-paced, ambiguous environments and drive action. Desire to mentor and elevate data science practices. Experience with digital advertising and marketplace dynamics (preferred). Experience with advertising technology (preferred). Benefits:. Comprehensive Healthcare Benefits and Income Replacement Programs. 401k Match. Family Planning Support. Gender-Affirming Care. Mental Health & Coaching Benefits. Flexible Vacation & Reddit Global Days off. Generous paid Parental Leave  . Paid Volunteer time off. #LI-Remote