Company Overview
At Chewy, our mission is to be the most trusted and convenient destination for pet parents and partners, everywhere.
Responsibilities
- Apply statistical methodologies to design and analyze online experiments (e.g., A/B/n, MAB, holdouts)
- Develop relevant surrogate metrics for faster and more accurate experimentation considering full customer journey and tradeoffs
- Build out and operationalize causal inference models to calculate annualized incremental lift. Build models to measure long-term impact using high value actions
- Develop robust holdout design to measure aggregate impact, long term impact, and novelty effect
- Support experimentation platform users with guidance on test setup, metric selection, and hypothesis framing
- Ensure quality of data and computation by developing monitoring and alerting mechanisms to catch spillovers and bias and provide guidance on step-wise identification of root-causes
- Define and operationalize experimentation best practices, statistical and scientific methodologies and scalable frameworks for creating, monitoring, and learning from experiments
- Build AI agents to optimize experiment workflows and knowledge retrieval
Requirements
- Bachelor's degree in a quantitative field (e.g., Statistics, Mathematics, Data Science, Economics, Computer Science) or related experience
- 5+ years Data Science experience
- 4+ years of experience with A/B testing, preferably within an e-commerce environment
- 4+ years of experience with causal inference techniques or modeling long-term treatment effects (Diff-in-diff, Propensity Score Matching, Causal Forest, etc...)
- Strong foundational knowledge in statistics (e.g., hypothesis testing, confidence intervals, variance reduction)
- Advanced object-oriented programming in Python
- Advanced knowledge of SQL
- Experience communicating insights to non-technical audiences
- Familiarity with using LLMs and AI Agents to automate data and analytical workflows
Benefits
- 401k
- Equity grants
- Medical/Rx, vision, dental, life, disability, and other insurance
- Parental leave, family services benefits, backup dependent care
- Flexible spending accounts, telemedicine, pet adoption reimbursement, employee assistance program
- Discounts on pet insurance and Chewy.com
- Unlimited PTO, subject to manager approval
- Six paid holidays per year