Staff Data Scientist - Ads Measurement, Signals, Privacy

Reddit
Toronto
Workplace: RemoteFull timeFunction: Data Science & Machine LearningExperience: 6+ yearsEducation: mastersSkills: ["Problem-solving","Communication","Cross-functional influence"]

Advance ads measurement by building probabilistic identity-resolution models that connect on- and off-platform actions while respecting privacy. Own statistical rigor for brand and conversion lift experimentation, including scalable low-bias testing infrastructure. Define and evaluate new signal sources to improve predictive models, bidding efficiency, and ROAS. Create ground-truth and evaluation frameworks for identity and measurement, and drive execution through cross-functional technical influence.

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FursaFursa
Reddit
Reddit
2 days ago

Staff Data Scientist - Ads Measurement, Signals, Privacy

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Canonical indexed version, validated from employer's careers page.

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

Job Summary

Advance ads measurement by building probabilistic identity-resolution models that connect on- and off-platform actions while respecting privacy. Own statistical rigor for brand and conversion lift experimentation, including scalable low-bias testing infrastructure. Define and evaluate new signal sources to improve predictive models, bidding efficiency, and ROAS. Create ground-truth and evaluation frameworks for identity and measurement, and drive execution through cross-functional technical influence.
Location: Toronto
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Develop probabilistic models for ads identity resolution and design privacy-preserving methodology linking on- and off-platform actions
  • •Own statistical rigor for brand and conversion lift products, innovating experimental design and large-scale lift experimentation infrastructure
  • •Define strategies for new signal sources, quantify signal value, and collaborate to incorporate signals into predictive models to improve bidding efficiency and ROAS
  • •Design ground truth and evaluation frameworks to validate identity and measurement, including objective functions and truth sets
  • •Collaborate with engineering, product, and sales; mentor others and champion best practices across modeling, experimentation, and measurement

Pay and Benefits

Perks:Health Insurance401kParental LeaveFamily Planning

Key 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
  • •Deep understanding of the ads ecosystem
  • •Demonstrated expertise in at least one of: measurement and experimentation at scale, identity graph creation and resolution, or predictive modeling with signal loss
  • •Advanced proficiency in Python or R and SQL, plus experience with machine learning/optimization and strong experimental design/causal inference/A-B testing
Experience:6+ years
Education:Master's in Statistics, Mathematics, Physics, Economics, or Operations Research
Skills:Problem-solvingCommunicationCross-functional influence
Languages:English
Tech Stack:PythonRSQLMachine learningOptimization

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