Staff, Data Scientist

Walmart•Sunnyvale, CA

4d•Onsite

About The Position

Walmart Last Mile Delivery (LMD) is a rapidly expanding and mission‑critical area that enables us to reach customers faster, more reliably, and at greater scale. As customer expectations for speed and convenience continue to rise, LMD plays a central role in Walmart’s commitment to seamless omnichannel experiences. The Applied AI LMD team is dedicated to enhancing efficiency and profitability by pushing the boundaries of machine learning, operations research, artificial intelligence, and economics. We build highly reliable and scalable production systems that power the continued growth of the LMD in Walmart. Our key focus areas include Capacity Optimization, Driver Search, Driver Matching, Driver Offer Pricing, Driver Surge Pricing, Incentive Strategy, Routing Optimization, ETA Prediction, and Trust Safety. As a Staff Applied Scientist, you will be at the forefront of AI innovation, developing machine learning and GenAI solutions for innovative Last mile delivery area in Walmart. You will be work with a team of Applied Scientist to design, train, evaluate, deploy, and monitor production models and bring your expertise in AI to unlock business impact. You will collaborate closely with business, product, and engineering teams to ensure AI objectives align with Walmart’s business goals. Your work will directly improve driver experience, operational efficiency, and delivery reliability, driving measurable business impact. Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at Walmart.com, through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization. Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates. Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.

Requirements

Ph.D. or equivalent advanced degree in Computer Science, Statistics, Operations Research, Economics, or a related field. Or Master degree with at least 5 years of relevant working experience
Extensive experience in machine learning, GenAI, and Agentic AI.
5+ Years of experience of deploying ML models in production, preferably in high-scale environments.
Strong programming skills in Python, Java, C, or C++.
Experience with large-scale data systems (Spark/Hive) and cloud computing (GCP/Azure).
Demonstrated ability to drive projects from conception to production in a fast-paced, dynamic environment.
Excellent communication and leadership skills, with the ability to influence and inspire cross-functional teams.
Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 4 years' experience in an analytics related field.
Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics related field.
6 years' experience in an analytics or related field

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

Work with a team of applied scientists in developing innovative AI-driven solutions and provide technical leadership as domain expert
Research and implement state-of-the-art machine learning techniques.
Collaborate cross-functionally with business, product, and engineering stakeholders to ensure AI solutions align with Walmart’s strategic objectives.
Design and optimize machine learning pipelines to ensure scalability, efficiency, and real-time processing capabilities.
Build and deploy end-to-end models, balancing accuracy, computational efficiency, and measurable business impact with deep expertise in best practice of MLOps
Hands-on experience in building GenAI applications
Explore and integrate the latest advancements in AI, ensuring Walmart remains at the forefront of AI-driven delivery solutions.

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance.
Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
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.
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.

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