Senior Data Scientist

Walmart - Internal
Any Location, NJ
Category Data Analyst
Job Description
Develop custom data models to drive innovative business solutions, conduct advanced statistical analysis, and build learning systems to analyze and filter continuous data flows.

Requirements

  • Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, Engineering (any), Computational Data Science, or related field
  • 1 year of experience in an analytics related field
  • Experience fitting and fine-tuning supervised and unsupervised machine learning models using Python
  • Experience using Pyspark to preprocess large-scale data, identify trends, patterns, and outliers, and build distributed models
  • Experience using SQL to extract, transform, and load data, and extract business-relevant insights
  • Experience designing and developing interactive dashboards to drive business action using Tableau and Looker
  • Experience architecting and productionalizing end-to-end machine learning systems on AWS, GCP, and Azure/Cloud that can scale and are fault tolerant
  • Experience reviewing the latest research to design cutting edge machine learning systems
  • Experience designing efficient relational databases to store and run efficient queries for large-scale analytics
  • Experience writing modularized, instrumented, tested, and well-documented code and maintaining it on Git to allow for collaboration
  • Experience defining KPIs, designing A/B tests, and leading offline and online evaluations to measure and optimize model effectiveness
  • Experience partnering with Product, Engineering, UX, and Business teams to align machine learning initiatives with strategic goals
  • Experience working with Machine Learning Operations (MLOps) and Engineering teams to deploy and maintain scalable Machine Learning (ML) solutions that power real-time experiences

Benefits

  • 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
  • Short-term and long-term disability
  • Education assistance with 100% company paid college degrees
  • Company discounts
  • Military service pay
  • Adoption expense reimbursement
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