Advanced degree (Masters or Ph.D.) in Statistics, Mathematics, Physics, Economics, or Operations Research. 3+ years of industry experience in applied science or data science roles (for M.S. holders). 2+ years of industry experience in applied science or data science roles (for Ph.D. holders). 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. 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.