(USA) Staff, Data Scientist

Position Summary...

What you'll do...

Role summary:
As a Staff Data Scientist, you will help build and evolve Walmart’s core AI conversational platform and agentic shopping experiences across voice, text, rich UI, and multimodal interactions. You will design, evaluate, and productionize advanced language, generative, and agentic AI solutions, while driving projects from problem definition through launch. You will collaborate closely with product, engineering, and UX teams to build scalable, reliable AI systems and enable high-impact customer experiences across Walmart platforms and external super-agent ecosystems.
 

**Immigration Sponsorship support will NOT be available for this
position*

About the team:
You will contribute to Walmart’s core AI Shopping team, enhancing customer experiences through natural voice, text, and multi-modal interactions. The team develops advanced Natural Language Understanding services that integrate seamlessly across various channels, including voice assistants, customer care, and mobile applications. Collaborating with external platforms like Open AI ChatGPT and Google Gemini, the team focuses on optimizing shopping experiences using predictive analytics, machine learning, and deep learning techniques. This group drives innovation in conversational AI, delivering scalable, data-driven solutions that support Walmart’s commitment to accessible and efficient customer engagement.

What you'll do:

• Develop and customize state-of-the-art deep learning based generative models and multimodal models to support conversational customer shopping experience;
• Utilize cutting-edge machine learning/statistical/optimization techniques to deliver solutions for projects in the domain of conversational AI;
• Build, validate, test and deploy language models combined with different machine learning techniques to explain or predict behavior and solve business and engineering problems;
• Standardize and build scalable and highly available systems that follow operational best practices;
• Develop visuals and reports to efficiently communicating model results and insights to business;
• Maintain world-class academic credentials through patent applications, publications, conference presentations, and external collaboration and service to the research community.

What you'll bring:

• You bring strong expertise in NLP, large language models, generative and multimodal AI, including prompt optimization, fine-tuning, efficient deployment, and agentic system design and evaluation. 
• You have solid Python and largescale data experience, along with the ability to independently drive complex AI initiatives from requirements through production. 
• You combine strong technical depth with continuous experimentation and optimization, effective cross functional collaboration, and excellent communication skills. 
• A strong research background in deep learning or AI, including publications and academic contributions, is highly valued.

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 :

- Stock

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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...

1395 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.