Walmart

Staff Data Scientist – ML-Driven Audience Targeting, Experimentation

Walmart

full-time

Posted on:

Location Type: Office

Location: BentonvilleCaliforniaUnited States

Visit company website

Explore more

AI Apply
Apply

Salary

💰 $110,000 - $220,000 per year

Job Level

About the role

  • Deliver ML-powered audience solutions that drive advertiser outcomes
  • Design, build, and deploy high-impact propensity and lifetime value (LTV) models that meaningfully improve targeting effectiveness, ROAS, and campaign performance for top advertisers (e.g., P&G, PepsiCo)
  • Own technical partnerships with strategic advertisers
  • Act as the primary data science partner for large advertisers and measurement partners
  • Scale models from concept to production
  • Lead the end-to-end lifecycle of ML solutions — moving from POC to production
  • Advance experimentation for onsite display media
  • Design and analyze rigorous A/B tests to evaluate onsite display ad strategies
  • Automate insights through GenAI-powered storytelling
  • Influence executive decision-making through storytelling

Requirements

  • Proven experience building ML models that drive real business impact
  • 3+ years of hands-on, non-academic experience developing and deploying ML models end-to-end — particularly propensity and/or LTV models using tree-based methods (XGBoost, LightGBM)
  • Strong experimentation and statistical judgment
  • Deep expertise in A/B testing design and analysis, including power analysis, hypothesis testing, and advanced methods (bootstrapping or Bayesian approaches are a plus)
  • Experience operationalizing analytics at scale
  • Comfort turning analytical ideas into production-ready solutions using Python and SQL
  • GenAI and automation mindset
  • Demonstrated ability to leverage LLMs or GenAI tools to automate narrative generation, reporting, or presentation creation from data.
  • Ability to bridge data science and executive storytelling
  • A track record of communicating complex analytical results to senior business stakeholders in a clear, persuasive, and strategic way
  • Retail media or AdTech exposure (strong plus)
  • Familiarity with Retail Media Networks, AdTech platforms, or closed-loop measurement environments is highly valued
  • Modern data & ML tooling experience
  • Experience with GCP (BigQuery, Dataproc, Vertex AI preferred), and familiarity with engineering best practices such as CI/CD, Docker, PySpark, or scalable data pipelines
  • Strong quantitative foundation
  • A Master’s degree or PhD in Statistics, Economics, Computer Science, Mathematics, or a related field is preferred
Benefits
  • 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningpropensity modelslifetime value modelsA/B testingstatistical analysisPythonSQLXGBoostLightGBMdata automation
Soft Skills
storytellingcommunicationinfluencecollaborationanalytical thinkingstrategic thinkingproblem-solvingleadershipdecision-makingcreativity
Certifications
Master’s degreePhD in StatisticsPhD in EconomicsPhD in Computer SciencePhD in Mathematics