Principal, Data Scientist, Experimentation Sciences

Why Here?
Walmart’s experimentation team owns and manages the platform enabling A/B testing across multiple channels and regions worldwide. They build scalable infrastructure, data foundations, and measurement systems supporting high experiment volumes with reliable outcomes. Core responsibilities include generating experiment reports and dashboards that translate raw data into trusted business insights through ETL processes and statistical guardrails.

What Will You Do?
As a Principal, Data Scientist, Experimentation Sciences at Walmart, you will define the multi-year data science roadmap for experimentation reporting, dashboards, and measurement services. You will lead design of scalable statistical frameworks for online experiments, including guardrails, heterogeneity analysis, and quasi-experimental methods. Additionally, you will partner with engineering teams on data models and pipelines while strategizing AI-native evaluation like LLM evals and prompt testing.