Hiring: Principal, Data Scientist, Experimentation Sciences Company: Walmart Location: Sunnyvale, CA Job Posted Time: 2026-09-02 22:39:37 Employment Type: Full-time / Hybrid Target Skills & Keywords : A/B Testing, Accessibility, Airflow, Data Pipeline, ETL, GCP, LLM, Machine Learning, Move, PySpark, Python, R, SAFe, SQL, Scala, Spark, Stitch, TensorFlow, TestNG, WCAG, scikit-learn About the job Experience: •10 years’ experience in data science, experimentation, measurement science, or related field. •8 years’ relevant experience. •6 years’ relevant experience. Qualifications: •Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, Operations Research, or related field and 10 years’ experience in data science, experimentation, measurement science, or related field. •OR Master’s degree in one of the above fields and 8 years’ relevant experience. •OR PhD in one of the above fields and 6 years’ relevant experience. •In all cases, candidates should demonstrate strong hands-on experience with SQL, Spark/PySpark, experimentation, and causal inference at production scale. •Experience building or scaling experimentation platforms, internal measurement tooling, or self-service analytics capabilities. •Experience supporting high-volume A/B testing in e-commerce, marketplace, or last-mile environments. •Deep knowledge of advanced experimentation methods such as CUPED/CUPAC, switchback designs, cluster randomization, interference and network effects, Bayesian or sequential testing, and observational causal inference. •Experience defining AI evaluation frameworks for conversational AI, search, recommendation, or other LLM-powered products. •Practical experience utilizing Google Cloud Platform, Airflow, and modern orchestration, monitoring, and data workflow patterns. •Publications, patents, or conference contributions in experimentation, causal inference, AI evaluation, or applied machine learning. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!