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Data Scientist, Ads

Reddit

$164,200 - $229,900
Sep 12, 2025
Remote, US
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The company is looking to improve the adoption and performance of its advertising platform through data-driven insights.

Requirements

  • 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
  • Experience with online advertising and ad tech (bonus)
  • Experience with causal inference and A/B testing (bonus)

Responsibilities

  • Design, develop, and apply DS solutions to inform improvements in advertiser experience as well as Reddit ad platform & marketplace performance
  • Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising platform
  • 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

Other

  • MS or PhD in Computer Science, Statistics, Mathematics, or a related field
  • 3+ years of experience in data science, machine learning, or a related field
  • Excellent communication and presentation skills
  • Passion for Reddit and the online advertising industry
  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k Match
  • Family Planning Support
  • Gender-Affirming Care
  • Mental Health & Coaching Benefits
  • Flexible Vacation & Reddit Global Days off
  • Generous paid Parental Leave
  • Paid Volunteer time off