(usa) Principal, Data Scientist

Walmart Walmart · Retail · SUNNYVALE TECH CORNERS BLDG 6 CA SUNNYVALE

Principal Data Scientist to lead the development and deployment of advanced analytical models and machine learning solutions for Search and Personalization at Walmart. The role involves analyzing complex business problems, designing data-driven strategies, identifying and validating data sources, leading model evaluation and lifecycle management, and collaborating with stakeholders to translate business needs into technical solutions. Requires expertise in ML, deep learning, embedding strategies, Python, SQL, MLOps, and cloud platforms like GCP. The role also involves mentoring team members and communicating findings effectively.

What you'd actually do

  1. Develop, test, and deploy advanced machine learning models and AI solutions aligned with business requirements.
  2. Analyze complex business problems to design data-driven strategies and quantify their impact.
  3. Identify, assess, and validate data sources ensuring quality and relevance for modeling and analytics.
  4. Lead model evaluation, tuning, and lifecycle management to ensure accuracy, robustness, and scalability.
  5. Collaborate with stakeholders to translate business needs into technical solutions and actionable insights.

Skills

Required

  • Python
  • SQL
  • MLOps practices
  • GCP

Nice to have

  • Bayesian inference
  • neural networks
  • Spark
  • Scala
  • R
  • Publications or active peer reviewer in related journals or conference

What the JD emphasized

  • advanced analytical models and machine learning solutions
  • advanced machine learning and generative AI technologies
  • deep learning solutions
  • advanced machine learning models and AI solutions
  • deep learning
  • model evaluation, tuning, and lifecycle management

Other signals

  • develop and deploy advanced analytical models and machine learning solutions
  • Applied AI team develops intelligent Search and Personalization solutions
  • Leveraging advanced machine learning and generative AI technologies
  • design scalable systems
  • apply expertise in algorithms, deep learning, and solution design