Staff Data Scientist

About the role

About The Company

Reddit is a vibrant community of communities, built on shared interests, passions, and trust. It is renowned for fostering open, authentic conversations across a diverse array of topics. With over 100,000 active communities and approximately 126 million daily active visitors, Reddit stands as one of the largest and most influential sources of information on the internet. The platform enables users to submit, vote, and comment on content that matters most to them, creating a dynamic environment for engagement and connection. Reddit values inclusivity, innovation, and community-driven growth, continually striving to enhance user experience and platform impact. For more information, visit www.redditinc.com.

About The Role

Reddit is seeking a highly experienced Staff Data Scientist to lead and shape the company's marketing intelligence efforts. In this strategic and technical leadership role, you will be responsible for designing and executing measurement frameworks that optimize Reddit’s marketing investments. Your primary focus will be on two critical growth flywheels: B2B Marketing—driving acquisition and retention of advertisers—and B2C Growth—attracting and engaging new Redditors. This position offers a high degree of autonomy and impact, enabling you to set long-term strategic goals that influence senior leadership and define how Reddit values its brand and performance marketing initiatives. You will be instrumental in developing models, frameworks, and methodologies that quantify marketing effectiveness, inform budget allocation, and foster sustainable growth across the platform.

Qualifications

Advanced degree (Master’s or Ph.D.) in Statistics, Economics, Mathematics, or a related quantitative field.

For M.S. holders: 10+ years of industry experience in marketing science, growth data science, or econometrics.

For Ph.D. holders: 6+ years of industry experience.

Deep understanding of the marketing ecosystem, including hands-on experience with Marketing Mix Modeling (MMM), Incrementality Testing, and Customer Lifetime Value (LTV) prediction.

Proficiency in Python or R, SQL, and experience building production-grade data pipelines.

Experience applying machine learning techniques for predictive modeling such as churn prediction and lead scoring.

Proven ability to influence C-suite stakeholders and translate complex statistical insights into strategic business recommendations.

Experience working in fast-paced environments, navigating ambiguity, and building frameworks from the ground up.

Responsibilities

Define the long-term marketing measurement strategy, establishing a 2–3 year technical roadmap aligned with company goals.

Develop and refine media mix models (MMM) and multi-touch attribution (MTA) systems to quantify the incremental impact of marketing efforts.

Design unified frameworks that optimize marketing strategies for both acquiring new advertisers and engaging new users, identifying synergies that enhance overall growth.

Lead the development of advanced causal inference methodologies, including complex "always-on" incrementality testing and geo-holdout experiments.

Measure the long-term "halo effect" of brand marketing on organic growth and community engagement.

Collaborate closely with Marketing, Growth, and Finance teams to translate data insights into actionable budget and strategy adjustments.

Mentor junior data scientists, ensuring high standards of code quality, statistical rigor, and methodological soundness across the marketing analytics team.

Stay abreast of industry best practices and emerging techniques in data science, econometrics, and marketing analytics to continually improve measurement frameworks.

Benefits

Comprehensive healthcare benefits including medical, dental, and vision insurance.

Income replacement programs to support work-life balance and financial stability.

401(k) plan with employer matching contributions.

Global benefit programs designed to support your lifestyle, including workspace flexibility, professional development, and caregiving support.

Family planning assistance and parental leave policies.

Mental health and coaching resources to promote well-being.

Pay transparency and competitive salary packages, with base salary ranging from $217,000 to $303,900 USD, plus potential equity in the form of restricted stock units and performance-based incentives.

Equal Opportunity

Reddit is proud to be an equal opportunity employer. We are committed to building a diverse workforce that reflects the communities we serve. We provide reasonable accommodations for qualified individuals with disabilities and disabled veterans throughout the application and interview process. If you require an accommodation due to a disability, please inform your recruiter. We welcome applicants from all backgrounds and are dedicated to fostering an inclusive environment where everyone can thrive.