Reddit - Staff Data Scientist, Ads
Requirements
• Advanced degree (Master's or Ph.D.) in Statistics, Mathematics, Physics, Economics, or Operations Research • For M.S. holders: 10+ years of industry experience in applied science or data science roles • For Ph.D. holders: 6+ years of industry experience in applied science or data science roles • Deep understanding of the ads ecosystem • Measurement & Experimentation at Scale (with focus on lift and attribution) • Identity Graph Creation & Resolution Methodology and Infrastructure • Predictive Modeling with Signal Loss • Advanced proficiency in statistical programming (Python or R) and SQL • Experience with machine learning or optimization techniques • Strong understanding of experimental design, causal inference, or A/B testing methodologies • Exceptional problem-solving and communication skills, with a track record of influencing product and engineering partners • Experience working in fast-paced, ambiguous environments with cross-functional teams
Responsibilities
• Design the Future of Ads Identity: Develop/employ probabilistic models for identity resolution. Design the methodology that links on-platform and off-platform actions to maximize addressability while honoring privacy. • Design the Future of Ads Identity: • Advance Lift Methodologies & Experimentation: • Maximize Signal for Predictive Performance: Define the strategy for new signal sources. You will mathematically quantify the value of these signals and work with modeling teams to incorporate them into predictive models, directly improving bidding efficiency and ROAS. • Maximize Signal for Predictive Performance: • Define Ground Truth & Evaluation Frameworks: Solve the industry-wide challenge of validating identity and measurement. Design the objective functions and truth sets used to train our models and measure the incremental impact of our identity graph. • Define Ground Truth & Evaluation Frameworks: • Lead Through Cross-Functional and Technical Influence: Collaborate deeply with engineering, product, and sales to align on strategic goals, translate insights into action, and drive execution. Set a high technical bar by mentoring others and championing best practices across modeling, experimentation, and measurement. • Lead Through Cross-Functional and Technical Influence:
Benefits
• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support • Family Planning Support • Gender-Affirming Care • Mental Health & Coaching Benefits • Comprehensive Medical Benefits & Health Care Spending Account • Registered Retirement Savings Plan with matching contributions • Income Replacement Programs • Flexible Vacation & Paid Volunteer Time Off • Generous Paid Parental Leave • In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews. • During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors.
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