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Staff Data Scientist, Ads

Reddit is a large online community platform focusing on authentic conversations and passionate user communities. The Ads Data Science team seeks an experienced Staff Data Scientist to lead strategic initiatives and develop advanced data-driven models to optimize Reddit's advertising marketplace.

Skills

  • Expertise in auction design, targeting, personalization, ad formats evaluation, or large-scale experimentation.
  • Advanced statistical programming skills in Python or R and strong SQL proficiency.
  • Experience with machine learning and optimization techniques.
  • Deep understanding of experimental design, causal inference, and A/B testing methodologies.
  • Excellent problem-solving and communication skills.

Responsibilities

  • Take end-to-end ownership of complex advertising problem spaces such as auction optimization, auto-bidding, and ad performance.
  • Develop, build, and deploy predictive models, optimization frameworks, and decision-support systems for the ads marketplace.
  • Define core business and performance metrics and design methodologies to measure impacts on advertiser ROI and user experience.
  • Collaborate cross-functionally with engineering, product, and sales teams to align and execute strategic goals.
  • Mentor team members and champion best practices in modeling, experimentation, and measurement.
  • Apply causal inference, auction theory, and large-scale data system expertise to solve novel ad market challenges.

Education

  • Master's or Ph.D. in Statistics, Computer Science, Economics, Operations Research, or related quantitative field.

Benefits

  • Comprehensive healthcare benefits (medical, dental, vision).
  • 401(k) plan with employer matching.
  • Home office workspace benefits.
  • Personal and professional development funds.
  • Family planning support.
  • Flexible vacation policy and Reddit Global Wellness Days.
  • Over 4 months paid parental leave.
  • Paid volunteer time off.
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

$260450 / YEARLY (est.)
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$217000K
$303900K

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Reddit is social news aggregation, content rating, and forum social network headquartered in San Francisco. As of 2023, Reddit is the 18th most-visited website worldwide.

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BADGES
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CULTURE VALUES
Inclusive & Diverse
Collaboration over Competition
Growth & Learning
Transparent & Candid
Rise from Within
Mission Driven
Diversity of Opinions
Work/Life Harmony
BENEFITS & PERKS
Medical Insurance
Dental Insurance
Vision Insurance
Mental Health Resources
Life insurance
Disability Insurance
Health Savings Account (HSA)
Paid Time-Off
Maternity Leave
Social Gatherings
Learning & Development
Employee Resource Groups
FUNDING
DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$217,000/yr - $303,900/yr
EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
June 18, 2025

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