Senior Manager, Data Science-Search & Personalization (Walmart International)

Position Summary...

What you'll do...

Position Summary

Walmart International is seeking a Senior Manager of Data Science to lead and innovate in Search & Personalization across our global markets. This role will drive the development of cutting-edge AI and machine learning solutions that enhance product discovery, search relevance, and personalized customer experiences. As a key leader, you will collaborate with cross-functional teams to develop scalable, high-impact solutions that optimize business performance and improve customer engagement.

About the Team

The Search & Personalization team plays a critical role in shaping how customers interact with Walmart's digital platforms across international markets. Our mission is to develop state-of-the-art machine learning models that power highly relevant search experiences and personalized recommendations at scale. We work at the intersection of AI, engineering, and product innovation to create intelligent systems that adapt to customer preferences, improve discoverability, and drive seamless shopping experiences.

What You'll Do

• Lead and mentor a team of data scientists and ML engineers to develop search ranking algorithms, personalization models, and recommendation systems tailored for Walmart’s international markets.
• Design and implement machine learning models for query understanding, ranking, and personalization to enhance customer engagement and conversion.
• Collaborate closely with engineering teams to build and deploy scalable AI-driven solutions.
• Develop A/B testing frameworks and experimentation strategies to optimize model performance and measure impact.
• Partner with product and business teams to align AI strategies with market-specific goals and customer behaviors.
• Drive innovation in generative AI and LLMs to enhance search relevance and personalization.
• Stay ahead of industry trends in AI, machine learning, and information retrieval to continuously improve Walmart's global search and personalization capabilities.

What You'll Bring

• 7+ years of experience in data science, with a strong focus on search, personalization, or recommender systems.
• 2+ years of leadership experience, managing and mentoring data science teams.
• Expertise in machine learning, deep learning, NLP, and information retrieval techniques.
• Proficiency in Python, Spark, and ML frameworks (TensorFlow, PyTorch, Scikit-learn).
• Strong understanding of ML system design principles, including scalability, real-time inference, model retraining pipelines, and MLOps best practices.
• Experience with A/B testing, causal inference, and experimentation in large-scale consumer environments.
• Ability to solve multilingual search and personalization challenges across global markets.
• Strong communication skills to influence stakeholders and drive AI-driven decision-making at scale.

Join us and be part of a team that is transforming how customers discover and engage with Walmart's products across international markets.

About Walmart Global Tech
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. 

Benefits:
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.

Equal Opportunity Employer:
Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing diversity- unique styles, experiences, identities, ideas and opinions – while being inclusive of all people.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.

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

‎ 

‎ 

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 5 years' experience in an analytics related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 3 years' experience in an analytics related field. Option 3: 7 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, Supervisory experience, 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...

840 W California Ave, Sunnyvale, CA 94086-4828, United States of America