drjobs Data Scientist II

Data Scientist II

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1 Vacancy
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Job Location drjobs

Bellevue - USA

Monthly Salary drjobs

Not Disclosed

drjobs

Salary Not Disclosed

Vacancy

1 Vacancy

Job Description

At Chewy it is our mission to become the most trusted and convenient online destination for pet parents and our partners vets and service providers alike. Our success is measured by the happiness of the people and pets we serve not simply by the amount of pet supplies we deliver. Thats why we continue to think of outsidetheChewybox ways to delight surprise and thank our loyal pet lovers!

Our Opportunity:

Chewy is looking for a Data Scientist II tojoin the Experimentation Platform (A/B testing).Our platform supports 100 active internal users across multiple teams and organizations enabling rigorous A/B testing to drive new customer this role youll be instrumental in establishing an experimentation culture founded on core principles of statistical rigor and effective methodology design. This is a highimpact highvisibility position that plays a critical role in how Chewy measures and implements customerfacing changes. Youll work crossfunctionally with teams across the business gaining exposure to diverse domains and influencing decisionmaking at the highest levels. Join a collaborative fastpaced team where youll tackle new challenges daily contribute to meaningful outcomes and grow alongside a platform thats central to Chewys core business strategy.

What Youll Do:

  • Employ statistical methodsto address common pitfalls like peeking multiple comparisons phacking.
  • Apply statistical methodologies to design and analyze online experiments (e.g. A/B/n tests holdouts).
  • Help develop and maintain diagnostic systems for experiment quality (e.g. bias detection data quality alerts Session Ratio Mismatch).
  • 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 on output metrics such as revenue. Create models to measure longterm impact using high value actions.
  • 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 stepwise identification of rootcauses.
  • Define and operationalize experimentation best practices statistical and scientific methodologies and scalable frameworks for creating monitoring and learning from experiments.
  • Build AI agents to help optimize experiment workflows and knowledge retrieval.

What Youll Need:

  • Bachelors degree in a quantitative field (e.g. Statistics Mathematics Data Science Economics Computer Science) or related experience.
  • 3 years Data Science experience.
  • 3 years of experience with A/B testing preferably within an ecommerce environment.
  • 3 years of experience with causal inference techniques or modeling longterm treatment effects (Diffindiff Propensity Score Matching Causal Forest etc....
  • Strong foundational knowledge in statistics (e.g. hypothesis testing confidence intervals variance reduction).
  • Advanced objectoriented programing in Python.
  • Advanced knowledge of SQL.
  • Experience communicating insights to nontechnical audiences.
  • Familiarity with using LLMs and AI Agents to automate data and analytical workflows.

Employment Type

Full Time

Company Industry

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