Skip to content
RedditRedditUnited States

Senior Data Scientist, Ads

Develops and applies advanced data science models to enhance Reddit's advertising platform performance and advertiser experience. Requires advanced degree, 4-5+ years industry experience, expertise in ML, statistical modeling, and large-scale data tools.

191k – 267k
Remote4+ YOEData Science

About the role

Responsibilities

  • Design, develop, and apply DS solutions to inform improvements in advertiser experience and Reddit's ad platform
  • Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising platform
  • Collaborate with product managers and engineers to define product requirements and translate them into data science solutions
  • Develop ML models & DS methods to improve anomaly detection, prediction, & pattern recognition
  • Communicate findings and recommendations to stakeholders across the organization
  • Stay up-to-date on the latest advancements in machine learning and data science
  • Mentor and guide junior data scientists on the team

Qualifications

  • 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
  • Proficiency in Python or R and experience with machine learning libraries such as scikit-learn, TensorFlow, or PyTorch
  • Experience with SQL and relational databases
  • Excellent communication and presentation skills
  • Passion for Reddit and the online advertising industry

Bonus Points

  • 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

Benefits

  • 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
  • Flexible Vacation & Paid Volunteer Time Off
  • Generous Paid Parental Leave

Skills

PythonRSQLscikit-learnTensorFlowPyTorchSparkHadoopHiveBigQuery

Similar roles

Data Science jobs
Plaid

Senior Data Scientist

PlaidSan Francisco, CA +2

Senior Data Scientist on Plaid's Network Value team supporting the Guard product. Translate product questions into analysis, build metrics/OKRs/dashboards, run experiments, and drive data-informed decisions for a 0-to-1 user-facing fintech product.

191k – 263k
Hybrid5+ YOEData Science
Plaid

Senior Data Scientist

PlaidSan Francisco, CA +2

First Data Scientist on Plaid's Embedded Insights team building analytics and measurement frameworks for ML models. Partners with product, engineering, and ML teams to drive data-informed decisions and evaluate model performance.

191k – 263k
Hybrid5+ YOEData Science
Reddit

Senior Data Scientist, Consumer

RedditUnited States

Senior Data Scientist driving product strategy at Reddit through experimentation, causal analysis, and KPI design. Requires advanced quantitative degree plus 4-5+ years experience, expert SQL/Python skills, and strong stakeholder communication.

191k – 267k
Remote4+ YOEData Science
Plaid

Senior Data Scientist - Network Value

PlaidSan Francisco, CA +2

Data Scientist embedded in product teams, partnering with PMs and engineers to drive data-informed decisions for a critical user-facing fintech product through analysis, experimentation, modeling, and ML prototypes.

191k – 263k
Hybrid5+ YOEData Science
Fal

Senior Data Scientist, Growth

FalSan Francisco, CA

Build growth analytics infrastructure from scratch, analyze acquisition channels, model unit economics like CAC/LTV/ROAS, and run experiments to shape marketing strategy at a generative AI company. Requires 5+ years in growth analytics with advanced SQL/Python skills.

190k – 230k
On-site5+ YOEData Science