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Reddit

Staff Data Scientist - Ads Measurement, Signals, Privacy

Reddit · Toronto, Canada

Posted about 3 months ago

or apply directly on Reddit's site. We never take the application ourselves.

Is this posting real?

This role has been open
80 days
Reddit's roles stay open a median of 81 days
Reposted
No
Salary listed
No
0% of Reddit's roles list one
Ghost-job risk at Reddit
high
148 stale, 3 reposted of 150 open
Hiring momentum
259 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

Measured from postings appearing on and disappearing from Reddit's own greenhouse board since 2026-08-03. Full hiring picture for Reddit.

About this role

As a Staff Data Scientist on Reddit's Ads Data Science team, you will take ownership of critical advertising challenges, focusing on measurement, identity, and signal quality. Your responsibilities will include developing probabilistic models for identity resolution, advancing methodologies for lift and experimentation, and maximizing signal for predictive performance. You will also collaborate with cross-functional teams to drive strategic initiatives and mentor others in best practices.

Our read on this posting3.0out of 5
benefits
4/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Reddit as an employer.

What you need

  • 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
  • Demonstrated expertise in measurement & experimentation at scale (with focus on lift and attribution)
  • Expertise in identity graph creation & resolution methodology and infrastructure

What you get

  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k with Employer Match
  • 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

Worth weighing

  • No salary listed
  • Role involves high autonomy and influence, which may not suit everyone
  • Expectations for deep technical expertise and collaboration across teams may be demanding

Summarised from Reddit's posting. Read the full original.

Listed by Reddit on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

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