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 customer needs into scalable ML models, iterating through rigorous evaluation and experimentation. Your responsibilities include building advanced deep learning models using frameworks like PyTorch and MLflow, designing offline metrics and online experimentation frameworks, and providing technical mentorship to other data scientists. The role requires extensive experience in machine learning and statistics, proficiency in Python and distributed data tools such as PySpark, and a strong focus on model robustness and maintainability. This position is ideal for someone who thrives in ambiguous problem spaces and enjoys raising the technical bar through collaboration and mentorship.
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 technical scope and execution.
Define best practices for modeling, experimentation, and ML development focusing on robustness.
Provide mentorship and guidance to other data scientists through reviews and collaboration.
What we're looking for
Extensive experience in designing, training, and deploying machine learning 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 distributed data tools like PySpark and modern ML frameworks such as PyTorch.
Ability to operate effectively in ambiguous, complex problem spaces, taking full ownership from initial formulation through deployment.
Strong mentorship skills, including technical guidance and hands-on collaboration with other data scientists to raise the technical bar.
Experience building, evaluating, and iterating advanced deep learning models for personalization and recommendation systems.
Market check
Salary context
This
$132,000–$264,000
range sits above
72%
of similar postings on FindRole.
Peer median band
$112,800–$220,000
Median floor and ceiling across peers.
Typical midpoint (25–75%)
$135,000–$203,587
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.