Degree in Math, Physics, Statistics, Economics, Computer Science, or similar (MS preferred). 7+ years of experience in data science, machine learning, or a related technical role. Hands-on experience with recommendation engines, targeting systems, ranking models, or personalization algorithms. Strong proficiency in Python for modeling and data manipulation. Advanced SQL skills and experience querying large, complex datasets. Solid foundation in statistics, hypothesis testing, and experimental design. Familiarity with cloud-based tools and platforms (e.g., AWS, GCP, Snowflake, dbt, Airflow). Proven ability to partner cross-functionally and influence product decisions with data.