Data Scientist III
Chewy · Bellevue, WA · Data Science & Analytics
About this role
Chewy is hiring a mid-level Data Scientist based in Bellevue, WA. The posting calls out experience with Python, SQL, A/B Testing, LLMs. Compensation is listed at $141,000–$225,000 per year.
- Role
- Data Scientist
- Function
- data engineering
- Level
- mid
- Track
- Individual contributor
- Employment
- Full-time
- Location
- Bellevue, WA
- Department
- Data Science & Analytics
- Posted
- Apr 29, 2026
More roles at Chewy
Job description
from Chewy careersJob Description:
Data Scientist III, Experimentation Science
Chewy is looking for a Data Scientist III to join the Experimentation Platform (A/B testing) to join our team in Bellevue, WA or Boston, MA. Our platform supports hundreds of active internal users across multiple teams and organizations, enabling rigorous A/B testing to drive new customer experiences. In this role, you will play a key role in crafting and advancing measurement best practices and advanced methodologies across the business. This is a high-impact, high-visibility position that plays a meaningful role in how Chewy measures and implements customer-facing changes. You'll work cross-functionally with teams across the business, gaining exposure to diverse domains and influencing decision-making at the highest levels. Join a collaborative, fast-paced team where you'll tackle new challenges daily, contribute to meaningful outcomes, and grow alongside a platform that’s central to Chewy’s core business strategy.
What You'll Do:
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.
This is an excerpt. Read the full job description on Chewy careers →