Senior Data Scientist
Core
Lead development of advanced data science models and algorithms for PayPal's Agentic Commerce offering, applying causal inference and behavioral modeling to AI-driven checkout flows.
Role type
Senior IC data scientist (causal inference & experimentation)
Builds
Measurement frameworks and behavioral models for AI commerce channels
Domain
Fintech / AI-driven commerce
Deliverable
production ML models
Required skills
Python, SQL, causal inference, A/B testing, Bayesian statistics, mixed effect modeling, machine learning, predictive modeling, data visualization, ETL pipelines, cloud computing, PySpark, Monte Carlo simulation
Preferred skills
N/A
Technologies
scikit-learn, TensorFlow, PySpark, Tableau, Looker, Plotly, Dash, Matplotlib, Seaborn, AWS, GCP, Azure, Hadoop
Responsibilities
Design and execute controlled experiments to measure effectiveness of Agentic Commerce; Apply causal inference to attribute revenue changes; Develop behavioral models for merchant/consumer interactions; Build measurement frameworks for KPIs; Collaborate with Product/Engineering to optimize AI experiences
Seniority
Senior, hands-on IC
