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Reddit

Staff Data Scientist, Ads

Reddit · Remote - Ontario, 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
81 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 focus on enhancing the advertiser experience by tackling complex problems related to measurement, identity, and signal quality. Your role involves developing probabilistic models, advancing experimental methodologies, and collaborating with cross-functional teams to drive strategic initiatives in advertising. You will also mentor others and set high technical standards within the team.

Our read on this posting3.2out of 5
benefits
5/5
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 at least one of the following areas: Measurement & Experimentation at Scale, Identity Graph Creation & Resolution Methodology, Predictive Modeling with Signal Loss
  • Advanced proficiency in statistical programming (Python or R) and SQL

What you get

  • Global Benefit programs that fit your lifestyle
  • Family Planning Support
  • Gender-Affirming Care
  • Mental Health & Coaching Benefits
  • Comprehensive Medical Benefits & Health Care Spending Account
  • Registered Retirement Savings Plan with matching contributions

Worth weighing

  • The role requires deep expertise in a highly specialized area of data science, which may limit broader skill development.
  • The position is remote, which may appeal to candidates seeking flexibility but could also present challenges in team collaboration.
  • High autonomy and impact suggest a fast-paced environment that may not suit everyone.

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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