Staff, Data Scientist

Walmart • Bentonville, AR

1d • $110,000 - $220,000

About The Position

The Staff Data Scientist will leverage advanced analytical techniques and data science methodologies to deliver actionable insights that drive business value. This role involves identifying and sourcing relevant data, developing and validating predictive models, and creating compelling visualizations to communicate findings effectively. The position requires collaboration with cross-functional teams to translate complex business challenges into data-driven solutions, ensuring alignment with strategic objectives. The successful candidate will apply expertise in machine learning, data strategy, and programming to support scalable model deployment and continuous improvement within a dynamic business environment. About the team: The Core HR Workforce Intelligence Team at Walmart leads the deployment of advanced People technology across the enterprise, supporting millions of associates globally. This team partners with business units to enhance data-driven decision-making by applying expertise in predictive analytics, machine learning, and data visualization. Focused on delivering scalable and robust solutions, the team empowers managers and associates to prioritize key business goals. By continuously advancing Walmart’s technology capabilities, the group plays a vital role in shaping innovative data strategies that drive operational excellence and support the company’s mission. What you'll do: Deep expertise in ML and DL algorithms including supervised, unsupervised, and reinforcement learning methods. Strong foundation in Natural Language Processing (NLP) - embeddings, transformers, retrieval-augmented generation (RAG), and text summarization. Hands-on experience building and deploying LLM powered applications using frameworks like LangChain, LlamaIndex, Haystack, or DSPy. Expertise in designing multi-agent AI systems using orchestration frameworks and autonomous task workflows. Practical understanding of prompt engineering, fine-tuning, LoRA, quantization, and model evaluation for large foundation models. Familiarity with Generative AI techniques including text to text, text to image, and code generation models. Construct multi-agent intelligent workflows that translate natural language inputs into complex, goal-directed task sequences. What you'll bring: Proven experience deploying high-risk NLP applications in real-world, production environments—such as those involving regulatory compliance, privacy, safety, or fairness. Demonstrated ability to advance and implement Trustworthy AI and Responsible ML practices, working cross-functionally with engineering, legal, policy, and product stakeholders across a large enterprise. Track record of mentoring and coaching junior data scientists, especially in navigating ambiguous or novel problem spaces. Strong applied machine learning experience, with solid foundational knowledge in statistics, optimization, and deep learning—preferably gained at leading technology companies (e.g., Google, Meta, Microsoft) or AI-first startups. 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 $110,000.00 - $220,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include : - Stock ㅤ ㅤ ㅤ ㅤ ‎

Requirements

• 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
• Proven experience deploying high-risk NLP applications in real-world, production environments—such as those involving regulatory compliance, privacy, safety, or fairness.
• Demonstrated ability to advance and implement Trustworthy AI and Responsible ML practices, working cross-functionally with engineering, legal, policy, and product stakeholders across a large enterprise.
• Track record of mentoring and coaching junior data scientists, especially in navigating ambiguous or novel problem spaces.
• Strong applied machine learning experience, with solid foundational knowledge in statistics, optimization, and deep learning—preferably gained at leading technology companies (e.g., Google, Meta, Microsoft) or AI-first startups.

Nice To Haves

• 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.

Responsibilities

• Deep expertise in ML and DL algorithms including supervised, unsupervised, and reinforcement learning methods.
• Strong foundation in Natural Language Processing (NLP) - embeddings, transformers, retrieval-augmented generation (RAG), and text summarization.
• Hands-on experience building and deploying LLM powered applications using frameworks like LangChain, LlamaIndex, Haystack, or DSPy.
• Expertise in designing multi-agent AI systems using orchestration frameworks and autonomous task workflows.
• Practical understanding of prompt engineering, fine-tuning, LoRA, quantization, and model evaluation for large foundation models.
• Familiarity with Generative AI techniques including text to text, text to image, and code generation models.
• Construct multi-agent intelligent workflows that translate natural language inputs into complex, goal-directed task sequences.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level