Principal Data Scientist
Core
Define, invent, and deliver metrics to measure user and business value; design experiments; interpret analysis results to drive product iteration and continuous improvement.
Role type
Principal Data Scientist (Strategy & Mentorship)
Builds
Data-science driven workflows and actionable insights for product and service improvements across the Consumer online business.
Domain
Consumer online business, marketplace components, user and demand dimensions.
Deliverable
production ML models | dashboards & analysis | research
Required skills
Statistical techniques, experimental design, metrics definition, data analysis, Python/R/MATLAB/C#/Java/C++, problem solving, system building, data collection, cross-group collaboration, communication with senior leaders
Preferred skills
Independent decision making, handling tradeoffs, translating strategy into measurable plans, driving large cross-team collaboration
Technologies
Python, R, MATLAB, C#, Java, C++
Responsibilities
Define and deliver metrics for user and business value; design sampling and experiments across User and Demand dimensions; interpret analysis results to validate approaches and iterate; partner with program management, engineers, and other business areas; engage stakeholders to produce actionable insights; make independent decisions and handle difficult tradeoffs; translate strategy into clear, measurable plans with monthly progress updates.
Seniority
Principal, strategy & mentorship