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Principal Data Scientist, Ads

Reddit

Remote - United States · Remote · Principal

$268,000 – $365,100

Listed on Reddit’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

Reddit is hiring a Principal Data Scientist to lead the strategic direction of their ads marketplace, building foundational models for measurement, prediction, and optimization. This role suits a quantitative leader with deep expertise in statistical modeling, causal inference, or economics who can shape the future of their ads platform and mentor senior scientists.

Our summary, not Reddit’s wording. The full posting is on their site.

Skills this role names

Log in to see which of these are already on your profile.

What they ask for

Required

  • Demonstrated expertise in ads marketplace, auctioning/bidding, ads creative evaluation, or measurement and experimentation at scale
  • Master's degree or Ph.D. in Economics, Statistics, Computer Science, Operations Research, or related quantitative discipline
  • 12+ years industry experience in applied science, data science, or machine learning (for M.S. holders); 8+ years (for Ph.D. holders)
  • Advanced proficiency in Python or R and SQL
  • Experience with statistical analysis, economic modeling, machine learning, or optimization techniques
  • Strong understanding of experimental design, causal inference, or A/B testing
  • Exceptional problem-solving and communication skills with track record of influencing product and engineering partners
  • Experience in fast-paced, ambiguous environments with cross-functional teams
  • Proven experience influencing large organizations (500+ engineers/data scientists) on technical direction and machine learning best practices

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