(USA) Staff, Data Scientist

Position Summary...

What you'll do...

Role summary:
As a Staff Data Scientist at Walmart, you will leverage advanced analytical techniques and machine learning to transform complex data into actionable business insights. This role involves identifying optimal data sources, developing predictive models, and deploying scalable solutions that drive strategic decision-making. You will collaborate across functions to align data strategies with business objectives, ensuring data quality and governance standards are met. Your expertise in data visualization and communication will support clear stakeholder engagement, while mentoring team members to foster technical excellence and continuous innovation within a dynamic, data-driven environment.
About the team:
The team leads advanced data science initiatives focused on enhancing multi-agent orchestration, personalization, and experience quality across key product areas such as PDP, PLP, and checkout. With expanding responsibilities, the team requires strong ownership of end-to-end data science solutions, including modeling, system quality, and cross-functional collaboration. This role demands senior technical leadership to address complex challenges in search integration, ranking, and agentic actions, ensuring timely delivery of roadmap commitments and maintaining high standards of customer experience at scale. The team drives significant business impact through innovative data strategies and execution excellence.
What you'll do:

•  Design and develop Generative AI and conversational systems powered by transformer-based LLM architectures (e.g., GPT, Claude, Gemini).
• Lead the development of agentic AI systems, including system design for multi-agent workflows, reasoning chains, tool use, and orchestration frameworks.
• Develop and optimize prompt engineering strategies, including system prompts, structured prompting, retrieval augmentation, and guardrail design.
• Build and deploy end-to-end conversational AI pipelines, from data preparation and model training to evaluation, and monitoring.
• Analyze conversational data to identify patterns, perform error analysis, and continuously improve model quality and user experience.
• Design evaluation frameworks and experimentation methodologies for conversational AI systems, including offline benchmarks and online A/B testing. 

What you'll bring:

• Proven expertise in predictive analytics, machine learning algorithms, and data science methodologies.
• Proficiency in Python programming and experience with data pipelines 
• Strong understanding of data strategy, including data quality, governance, and scalable data storage solutions.
• Ability to assess, validate, and tune models using statistical and machine learning techniques.
• Experience interpreting complex business contexts to translate requirements into actionable data solutions.
• Skilled in deploying and monitoring models in production environments with continuous performance evaluation.
• Effective communication skills to present data insights and guide junior team members.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices. Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $143,000.00 - $286,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 4 years' experience in an analytics related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics related field. Option 3: 6 years' experience in an analytics or related field

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Primary Location...

1375 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.