Staff Data Scientist - Marketing Personalization & ML

Walmart Inc.

Sunnyvale (CA)

On-site

USD 143,000 - 286,000

Full time

14 days+
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Benefits offered by this job

Health benefits
401(k) matching
Stock purchase plan
Paid time off
Live Better U education benefit
Walmart Academy training

Job summary

Walmart in Sunnyvale, CA is seeking a Staff Data Scientist to leverage data science methodologies and strong coding skills to deliver actionable insights that guide strategic decisions. You will source data, build and validate predictive models, and create compelling visualizations to communicate results to business partners.

The role collaborates across marketing data science, engineering, and product teams, applying rigorous statistics, ML techniques, and automation to scale solutions and

Qualifications

  • Bachelor's 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

Responsibilities

  • Utilize ML/statistical techniques and platform-building to deliver marketing science solutions.
  • Design statistically sound experiments to evaluate effectiveness.
  • Build, validate, test and deploy predictive models to explain/predict customer behavior.
  • Mine massive data, derive insights, propose modeling projects with high business impact.
  • Standardize and build scalable, highly available systems following best practices.
  • Develop visuals and reports to communicate model results to business teams.
  • Mentor junior team members.

Skills

Predictive analytics
Python
Data visualization
Data engineering
MLOps
Data sourcing
Data quality
Data strategy
Model development
Business translation
Experiment design
Statistical inference
Automation

Education

Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field
Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field

Tools

Matplotlib
Plotly
Tableau

Job description

Position Summary...
What you'll do...
Role summary:
TheStaffDataScientistwillleveragedatasciencemethodologies,dataengineeringtechniqueandstrongcodingskillstodeliveractionableinsightsthatsupportstrategicbusinessdecisions.Thisroleinvolvesidentifyingandsourcingrelevantdata,developingandvalidatingpredictivemodels,andcreatingcompellingdatavisualizationstocommunicatefindingseffectively.Thepositionrequirescollaborationacrossfunctionstotranslatecomplexbusinesschallengesintodata-drivensolutions,ensuringmodeldeploymentandscalabilityandbuildingscalableplatform.Theidealcandidatewillapplyrigorousstatisticalmethods,automation,andmachinelearningexpertisetoenhancedatastrategyanddrivecontinuousimprovementalignedwithorganizationalgoals.
About the team:
Join the personalization marketing data science team at Walmart, collaborating with engineering, business, and product teams across digital marketing channels including SEM, SEO, CRM, and Display. The team develops scalable, data-driven solutions to optimize marketing effectiveness and generate high-quality demand efficiently. Members analyze extensive omni-channel commerce data to build models and algorithms that support business growth. Working alongside skilled data scientists, engineers, marketers, and product managers, the team creates advanced marketing science platforms that enhance strategies and deliver actionable insights across the organization.
What you'll do:
  • Utilizecutting-edgemachinelearning/statistical/platformbuildingtechniquestodeliversolutionsforprojectsinthedomainofmarketingscienceandpersonalization
  • Designstatisticallysoundexperimentstoproperlyevaluatetheeffectiveness;
  • Build,validate,testanddeploypredictivemodelsusingmachinelearningtechniquestoexplainorpredictcustomerbehaviors
  • Minemassivedata,derivebusinessinsights,andproposeinterestingmodelingprojectsthathavethepotentialtohavehighbusinessimpact;
  • Standardizeandbuildscalableandhighlyavailablesystemsthatfollowoperationalbestpractices;
  • Developingvisualsandreportstoefficientlycommunicatingmodelresultsandinsightstobusinessteams.
  • MentorJuniorteammembers

What you'll bring:
  • Proven expertise in predictive analytics, machine learning algorithms, and statistical hypothesis testing.
  • Proficiency in Python programming and data visualization tools such as Matplotlib, Plotly, or Tableau.
  • Strong knowledge of data engineering, data pipelines, and MLOps for scalable model deployment.
  • Experience in data source identification, data quality assessment, and data strategy implementation.
  • Ability to develop, validate, and tune advanced analytical models using appropriate evaluation metrics.
  • Skilled in translating complex business problems into data-driven solutions with clear communication.
  • Familiarity with experimentation design, statistical inference, and automation techniques in data science.
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 .
Sunnyvale, California US-11657: The annual salary range for this position is $143,000.00 - $286,000.00
Bentonville, Arkansas US-10735: 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

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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...
1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of AmericaWalmart 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.

Walmart is 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

Discount Card

Get 10% off

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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