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Reddit

Senior Data Scientist, Ads

Reddit · Remote - United States

Posted about 2 months ago

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

Is this posting real?

This role has been open
71 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 Senior Data Scientist on Reddit's Ads Data Science team, you will develop and apply advanced data science models to enhance the advertising platform and improve advertiser experiences. Your role involves analyzing large datasets, collaborating with product managers and engineers, and mentoring junior team members. You will also stay updated on machine learning advancements and communicate insights to stakeholders.

Our read on this posting2.6out of 5
benefits
4/5
freshness
1/5
career value
4/5
role clarity
4/5
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 (Masters or Ph.D.) in a quantitative field such as Statistics, Mathematics, Physics, Economics, or Operations Research
  • For M.S. holders: 5+ years of industry experience in applied science or data science roles
  • For Ph.D. holders: 4+ years of industry experience in applied science or data science roles
  • Platform experience and a deep understanding of the ads ecosystem
  • Strong understanding of statistical modeling, machine learning algorithms, causal inference and experimental design
  • Experience with large-scale data processing and analysis using tools such as Spark, Hadoop, or Hive; knowledge of BigQuery a plus

Nice to have

  • Experience with online advertising and ad tech
  • Experience with causal inference and A/B testing
  • Contributions to open-source projects or publications in relevant conferences or journals

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

  • Base salary range provided is $190,800 — $267,100 USD, but final offer amounts may vary based on multiple factors
  • Role may involve recorded interviews using AI for transcription and summarization
  • Job posting mentions the role may span more than one career level, which could imply varying expectations

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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