Staff, Data Scientist

Walmart · Retail · Sunnyvale, CA

Staff Data Scientist for Walmart's Personalization team, focusing on developing and implementing AI/ML algorithms for personalized recommendations and content generation (visual and textual) for their retail platform. The role involves designing, developing, and deploying scalable ML models using structured and unstructured data, collaborating with cross-functional teams, and staying updated on ML advancements.

What you'd actually do

  1. Leverage machine learning technologies such as Java, Python, Pyspark, Tensorflow, and PyTorch to design, develop, and implement high-performance, scalable applications for personalized recommendations.
  2. Create robust machine learning models using structured and unstructured data sets and advanced algorithms, including Neural Networks, Regression Models, and Gradient Boosting Algorithms.
  3. Collaborate with data engineers and software developers to design and implement data pipelines and architectures that support recommendations at scale.
  4. Work with stakeholders across the company to understand business needs and develop data-driven solutions that drive insights and automation.
  5. Communicate findings and insights to stakeholders through clear and concise reports and presentations.

Skills

Required

  • Java
  • Python
  • Pyspark
  • Tensorflow
  • PyTorch
  • Neural Networks
  • Regression Models
  • Gradient Boosting Algorithms
  • structured and unstructured data
  • reinforcement learning
  • deep Q-learning
  • dimensionality reduction
  • predictive modelling
  • clustering
  • text mining
  • feature engineering
  • large-scale ML model building
  • model deployment
  • model maintenance

Nice to have

  • PHD or Masters in Computer Science, Statistics or Mathematics

What the JD emphasized

  • extensive, personalized recommendations and content generation models
  • responsible for the comprehensive implementation of Machine Learning algorithms and features
  • Deep Understanding of Machine Learning and AI
  • Deep understanding of reinforcement learning techniques
  • Experience in Large Scale Applied ML Model Building

Other signals

  • personalization
  • recommendation models
  • content generation
  • large-scale ML