As a Principal Data Scientist at VIZIO, you will lead the design and delivery of machine learning solutions for personalization and ad targeting across the company’s platform. You’ll work closely with Product and Engineering teams to translate business needs into scalable ML models, focusing on deep learning frameworks like PyTorch and MLflow. Your responsibilities include building advanced deep learning models, designing rigorous offline metrics and online experimentation frameworks, and providing technical mentorship to other data scientists. Ideal candidates have extensive experience in deploying machine learning models for real-world systems, particularly in personalization and recommendation, along with strong Python skills and expertise in distributed data tools like PySpark. This role requires a deep understanding of machine learning and statistics, the ability to operate in ambiguous problem spaces, and a commitment to raising technical standards through mentorship and collaboration.
Lead the design and delivery of machine learning solutions for personalization and ad targeting.
Build and iterate advanced deep learning models using frameworks like PyTorch and MLflow.
Design rigorous offline metrics and online experimentation to measure model performance.
Partner with Product and Engineering teams to align on scope, tradeoffs, and execution.
Define best practices for modeling, experimentation, and ML development focusing on robustness.
Provide technical mentorship to other data scientists through reviews and hands-on problem solving.
What we're looking for
Extensive experience in designing, training, and deploying ML models for real-world systems.
Deep expertise in machine learning, statistics, representation learning, deep learning architectures, optimization, and model evaluation.
Proficiency in Python with production-level experience using PySpark and modern ML frameworks like PyTorch.
Ability to operate effectively in ambiguous, complex problem spaces from formulation through deployment.
Strong mentorship skills for other data scientists through reviews, collaboration, and hands-on problem solving.
Experience defining best practices for modeling, experimentation, and ML development focusing on robustness and maintainability.
Market check
Salary context
This
$132,000–$264,000
range sits above
72%
of similar postings on FindRole.
Peer median band
$111,760–$220,000
Median floor and ceiling across peers.
Typical midpoint (25–75%)
$135,000–$202,362
Middle half of comparable postings.
Based on 240 comparable postings.*
* 240 is the maximum number of comparable postings sampled.
Employer
About Walmart
Walmart Inc. is the world''s largest retailer by revenue, operating a chain of hypermarkets, discount department stores, and grocery stores, as well as a growing e-commerce presence through Walmart.com. Industry: General Merchandise & Grocery Retail
Walmart currently has
495 open roles
on FindRole.
Listed pay typically runs
$117,000–$234,000
across 487 roles with salary data.