Director, Data Science
This is a premier leadership opportunity for a seasoned AI expert to define the personalization roadmap for a global retail leader. The role combines deep technical oversight of LLMs and agentic systems with high-level strategic influence across international markets. It is ideal for someone who wants to see their algorithms impact millions of lives daily.
Walmart
Sunnyvale, California, United States · Posted 24 April 2026
The role
Overview
The hiring side
About Walmart
Walmart is an enterprise organisation working in retail / e-commerce, based in Sunnyvale, California, United States.
Retail / E-commerce
Enterprise
Sunnyvale, California, United States
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Requirements & Skills
Key Responsibilities
- Define and execute the multi-year strategic vision for AI-driven personalization
- Lead the design of ranking systems and conversational AI interfaces
- Architect scalable, cloud-native AI platforms for global deployment
- Establish rigorous experimentation frameworks and measurement KPIs
- Ensure ethical AI standards and robust model governance
- Mentor and develop a high-performing team of data scientists and engineers
Essential
- Minimum of 12 years in data science and machine learning fields
- At least 5 years of experience in a leadership or management capacity
- Proven track record of scaling recommendation, search, or personalization systems
- Expertise in Generative AI, including RAG, embeddings, and LLMs
- Experience with reinforcement learning and contextual bandits
- Proficiency with cloud-based ML platforms, specifically Google Cloud Platform (GCP)
- Strong background in MLOps and distributed data systems
- Ability to influence senior stakeholders and align cross-functional teams
Preferred
- Experience developing agentic AI or multi-agent architectures
- Background in conversational AI systems
- Experience managing personalization platforms across multiple international markets
- History of building real-time recommendation systems at massive scale
Key Skills
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People to Know
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Perks
Benefits & perks
- Competitive base salary
- Performance-based bonus awards
- Comprehensive benefits package
- Opportunity to work on global-scale AI problems
- Relocation assistance (implied by corporate standards)
Next step
Apply now
Found via careers.walmart.com