Principal, Data Scientist (Marketplace Risk)

Walmart Inc.; Bellevue (WA); Presencial; USD 132.000 - 264.000; Jornada completa

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Descripción de la vacante

Walmart Inc. in Bellevue, WA is seeking a Principal Data Scientist (Marketplace Risk) to lead the development and deployment of advanced machine learning models addressing marketplace risk.

The role requires end-to-end lifecycle expertise from data to deployment and mentoring team members. You will collaborate with cross-functional stakeholders to ensure data quality, build scalable data science products, and deliver measurable business impact while upholding high standards of integrity and

Formación

• PhD or Master’s with extensive data science experience.
• Strong foundation in ML/DL, statistics, and modeling.
• Experience architecting large-scale ML systems.
• Proven leadership and mentoring abilities in technical teams.

Responsabilidades

• Develop, test, and deploy advanced ML models and data-driven solutions.
• Analyze complex business problems to identify root causes and tech-based approaches.
• Identify, assess, and validate data sources for analytical modeling.
• Lead feature engineering, EDA, and model evaluation for robustness.
• Translate business needs into scalable data science strategies and measurable outcomes.
• Mentor team members on modeling techniques and best practices.
• Drive continuous improvement with emerging ML trends and automation.

Conocimientos

Python

AWS SageMaker

Machine learning

Deep learning

Reinforcement learning

Leadership

Mentoring

Statistical analysis

Data visualization

Communication

Educación

PhD in Computer Science or related field

Master's degree in related field

Herramientas

Kaggle

Spark

Scala

R

Descripción del empleo

Principal, Data Scientist (Marketplace Risk)

10900 Ne 4th St, Bellevue, WA 98004-0000

R-2682744

$132,000 - $264,000/yr

Regular/ Permanent

Immigration sponsorship is not available for this role. Applicants must be authorized to work for any employer in the United States without current or future visa sponsorship.

This is a full-time onsite role based in Bellevue, WA; remote and hybrid options are not available.

Role Summary

The Principal Data Scientist will lead the development and deployment of advanced machine learning models and machine learning solutions to address complex business challenges. This role requires expertise in end-to-end model development lifecycle from data to features to modelling to deployment. The position involves mentoring team members, collaborating cross-functionally, and ensuring the quality and effectiveness of data sources and models. The successful candidate will drive innovation by applying cutting-edge techniques and delivering measurable business impact while maintaining high standards of integrity and operational excellence.

About the Team

The Marketplace Data Science team at Walmart Global Tech drives innovation in global commerce by supporting a rapidly expanding eCommerce platform. The team empowers thousands of sellers to efficiently manage digital storefronts, optimizing product listings, pricing, and inventory. They deliver seamless pre- and post-order experiences through intelligent, resilient systems. Utilizing real-time data and integrating with partner platforms across Walmart’s ecosystem, the team ensures exceptional customer experiences. Focused on scalable, reliable solutions, they collaborate across functions to advance technology roadmaps and support sustained business growth.

What You’ll Do

• Develop, test, and deploy advanced machine learning models and data-driven solutions aligned with business requirements.
• Analyze complex business problems to identify root causes and recommend effective technology-focused approaches.
• Identify, assess, and validate data sources ensuring quality and relevance for analytical modeling.
• Lead feature engineering, exploratory data analysis, and model evaluation to optimize performance and robustness.
• Demonstrate strong thought-leadership and consult with product and business stakeholders to build,scaleand deploy holistic data science products after successful prototyping.
• Collaborate with stakeholders to translate business needs into scalable data science strategies and measurable outcomes.
• Mentor team members on advanced modeling techniques, data visualization, and best practices.
• Drive continuous improvement by integrating emerging machine learning trends and automation tools.

What You’ll Bring

• PhD in Computer Science or related field and 10 years of relevant data science experience or master's degree in related field and 12 years of relevant data science experience.
• Demonstrable experience of architecting large scale ML systems.
• Deep knowledge of and extensive experience in machine learning algorithms, deep learning, and reinforcement learning to develop advanced analytical models.
• Proven experience working withstate-of-the-artagentic, Gen AI,supervised and unsupervised machine learning algorithms on real-world problems, preferably in ecommerce domain.
• Proficiency in Python programming and AWS SageMaker for scalable model development and deployment.
• Strong knowledge of statistical analysis and exploratory data analysis techniques to interpret complex data sets.
• Ability to translate business requirements into data-driven strategies and measurable outcomes.
• Expertise in data source identification, quality assessment, and data ecosystem management.
• Proven leadership skills in mentoring and guiding technical teams toward innovative solutions.
• Effective communication skills to present insights and influence stakeholders.

Preferred Experience

• Experience in the e-commerce domain.
• Experience in the fraud/risk domain.
• Demonstrated success in data science platforms like Kaggle.

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'swhat we do at Walmart Global Tech.We'rea team of software engineers, data scientists, cybersecurityexpertsand 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 kickstarta great careerin tech, gain new skills and experience forvirtually everyindustry, orleverageyourexpertiseto innovate at scale,impactmillionsandreimaginethe future of retail.

Walmart’s culture is a competitive advantage, andit’sfostered 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 connections rooted in deepening understanding and investing in the development of our associates.

Benefits

• Beyond our great compensation package, you can receive incentive awards for your performance.
• Other greatperksinclude401(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 unique styles, experiences, identities,ideasand opinionswhile beingwelcoming ofall people.

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, Publications or active peer reviewer in related journals or conference, 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

10900 Ne 4th St, Bellevue, WA 98004, 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.

Benefits you’ll enjoy

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Walmart associates are eligible for a 10% discount card on most regular-priced items and fresh produce in-store and on select items at Walmart.com. Eligible after 90 days of employment.

Live Better U

100% covered

Earn a degree or in-demand skills certificates with no debt- Walmart covers 100% of tuition and books. Live Better U offers 60+ programs for Associates to pursue their dreams.

Ready to grow your career? Walmart Academy offers job-specific retail training and leadership courses to help Associates reach their career goals.

Medical, dental, vision, and wellness programs for you and your family

Access mental health resources and assistance programs for life’s challenges

Training, leadership programs, and clear paths to advance.

Imagine a workplace surrounded by innovation.At Walmart’s new Home Office in Bentonville, Arkansas, we’re redefining what it means to work at a global leader.

Set on 350 acres of thoughtfully revitalized land, our new campus seamlessly integrates the charm of Northwest Arkansas with cutting edge design and technology. From biking trails and outdoor courtyards to flexible, tech-enabled workspaces, every detail reflects our commitment to sustainability, connection, and culture.

With amenities like on-site childcare at our Little Squiggles Children’s Enrichment Center, the Walton Family Whole Health & Fitness Center, and a vibrant food hall featuring local and international favorites, we’re creating a space where work-life balance isn’t just a goal—it’s a reality.

Beyond the campus, Bentonville offers a dynamic lifestyle with world-class dining, art at the Crystal Bridges Museum, and countless outdoor activities.

Whether you’re exploring High South cuisine, enjoying live performances at our new amphitheater, or cycling the Razorback Greenway, you’ll experience the perfect blend of small-town charm and big-city amenities.

Join us at Walmart and grow your career alongside a community that feels like home.

This isn’t just a workplace—it’s a destination for leaders eager to make a difference.

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