Lead Data Scientist, Marketing Personalization & AI

Walmart; Sunnyvale (CA); On-site; USD 143,000 - 286,000; Full time

Benefits offered by this job

Stock

401(k)

Paid time off

Job summary

Walmart is seeking a Principal Data Scientist in Sunnyvale, CA to lead advanced data science initiatives and deploy machine learning models that address complex business challenges. You will mentor teammates, collaborate across functions, and ensure scalable, measurable impact across marketing channels and product experiences.

The role emphasizes rigorous experimentation, model validation, and clear communication of findings to influence strategic decisions across multiple domains.

Qualifications

• Requires 5+ years in analytics, ML, or related field.
• Bachelor's or higher in a relevant field.
• Experience in marketing science or ecommerce preferred.

Responsibilities

• Lead development and deployment of advanced AI, ML, and statistical solutions for marketing science and personalization.
• Define scalable data science strategies aligned with business objectives.
• Design rigorous experiments, causal measurement frameworks, and incrementality analyses.
• Architect experimentation platforms supporting audience assignment, metrics, analysis, and reporting.
• Build predictive and personalization models to improve customer engagement and marketing performance.
• Analyze large datasets to identify insights and high-impact opportunities.
• Establish reusable modeling frameworks, feature pipelines, and model lifecycle standards.
• Partner with cross-functional stakeholders and mentor data scientists on methodology, coding, experimentation, and communication best practices.

Skills

ML & AI

Python

SQL

MLOps

Experimentation

Cloud platforms

Leadership

Education

Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field

Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field

Tools

Spark

Scala

R

TensorFlow

scikit-learn

Job description

Walmart is seeking a Principal Data Scientist in Sunnyvale, CA to lead advanced data science initiatives and deploy machine learning models that address complex business challenges. You will mentor teammates, collaborate across functions, and ensure scalable, measurable impact across marketing channels and product experiences.

The role emphasizes rigorous experimentation, model validation, and clear communication of findings to influence strategic decisions across multiple domains.