Senior, Data Scientist

Walmart Walmart · Retail · Sunnyvale, CA

This role focuses on translating business challenges into data-driven solutions and building scalable analytics products. Responsibilities include data acquisition, analytical modeling using traditional machine learning techniques (classification, regression, forecasting), and model deployment. The role requires proficiency in Python, SQL, and data visualization tools.

What you'd actually do

  1. Translate business problems into analytical solutions
  2. Understand business domains, data requirements, and key processes
  3. Build and evaluate models using logistic regression, decision trees, random forest, GBM, and other tree-based techniques
  4. Apply forecasting methods to predict future business outcomes
  5. Deploy models to production

Skills

Required

  • Python
  • SQL
  • R
  • logistic regression
  • decision trees
  • random forest
  • GBM
  • forecasting methods
  • ROC
  • RMSE
  • Chi-square

Nice to have

  • data science
  • machine learning
  • optimization models
  • Master’s degree in Machine Learning
  • Computer Science
  • Information Technology
  • Operations Research
  • Statistics
  • Applied Mathematics
  • Econometrics
  • Python
  • Spark
  • Scala
  • R
  • scikit learn
  • tensorflow
  • torch
  • Web Content Accessibility Guidelines (WCAG) 2.2 AA standards
  • assistive technologies