Sr. Staff Data Scientist - Ads Measurement, Signals, Privacy

Reddit
Toronto
Workplace: RemoteFull timeFunction: Data Science & Machine LearningExperience: 10+ yearsSkills: ["Influence","Strategic thinking","Cross-functional communication","Technical judgment","Mentorship"]

Lead the scientific strategy behind Reddit’s ads measurement and signal systems, shaping how advertiser value is evaluated through lift, identity, attribution, and privacy-aware 1P/3P measurement. Build trusted evaluation frameworks and advance experimentation and causal inference at scale. Partner with Ads Engineering and ranking/modeling teams to connect measurement quality to bidding and performance outcomes, while mentoring senior DS talent and defining durable standards across Ads Data Science.

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FursaFursa
Reddit
Reddit
2 days ago

Sr. Staff Data Scientist - Ads Measurement, Signals, Privacy

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Source: Company careers pageValidated by: Fursa AI
Last checked: 6 hours agoStatus: Live

Job Summary

Lead the scientific strategy behind Reddit’s ads measurement and signal systems, shaping how advertiser value is evaluated through lift, identity, attribution, and privacy-aware 1P/3P measurement. Build trusted evaluation frameworks and advance experimentation and causal inference at scale. Partner with Ads Engineering and ranking/modeling teams to connect measurement quality to bidding and performance outcomes, while mentoring senior DS talent and defining durable standards across Ads Data Science.
Location: Toronto
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Sr. Manager level

Key Responsibilities

  • •Define long-term data science strategy across ads measurement, signal quality, identity, attribution, and privacy.
  • •Create trusted measurement and evaluation frameworks for lift validation, attribution, identity quality, modeled conversions, and privacy-aware measurement.
  • •Lead experimentation and causal inference methodologies (brand lift, conversion lift, split testing) and develop scalable diagnostics for experiment health and interpretability.
  • •Quantify how signals, identity, and privacy changes affect bidding efficiency, CPA, ROAS, and advertiser outcomes; partner with modeling and ranking teams.
  • •Mentor senior data scientists and shape cross-functional roadmap decisions by translating scientific tradeoffs into business recommendations.

Pay and Benefits

Perks:Family PlanningHealth InsuranceMedical BenefitsRrspPaid Parental

Key Requirements

  • •Advanced degree in Statistics, Economics, Mathematics, Computer Science, Operations Research, Physics, or a related quantitative field, or equivalent industry experience.
  • •10+ years of industry experience in data science, applied science, economics, statistics, or a related quantitative role.
  • •Deep expertise in ads measurement, experimentation, causal inference, attribution, marketplace measurement, or ads optimization.
  • •Strong command of statistical modeling, experimental design, causal inference, and measurement methodology.
  • •Advanced proficiency in SQL and Python or R, plus experience defining metrics, evaluation frameworks, and quality guardrails.
Experience:10+ yearsData scienceAds measurementExperimentationCausal inferencePrivacy-aware measurementAd optimization
Education:
Skills:InfluenceStrategic thinkingCross-functional communicationTechnical judgmentMentorship
Languages:English
Tech Stack:SQLPythonRAI tools

Company Brief

Reddit
Operates Reddit, a large online community and discussion platform where users submit content, comment, and vote across topic-based communities (subreddits); monetizes via advertising, premium subscriptions, and awards.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2005
WebsiteLinkedIn