Principal Data Scientist

Walmart

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Sunnyvale, CAHoboken, NJ
Salary
$143,000–$286,000 / yr
Employment
Full-time
Posted
25 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $190k
This role $214k
$114k $304k
below market most similar roles pay here above market

This role pays more than 88% of similar roles. Most pay $165,000–$214,500 — the blue band above. At the midpoint, this role pays about $214k versus about $190k for comparable roles.

Based on 240 similar postings.

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 719 open roles on FindRole.

Listed pay typically runs $117,000–$234,000 across 592 roles with salary data.

Most-posted roles

View all roles at Walmart

At a glance

TL;DR · Principal Data Scientist

The (USA) Principal, Data Scientist will join the team building advanced advertising measurement solutions to lead the design and development of a next-generation ads incrementality measurement platform. This role involves owning methodologies end-to-end, designing large-scale causal inference models to measure true incremental lift across various channels, and developing event-grain incrementality models like Uplift DNN to power bidding optimization. The successful candidate will author technical design documents, define the science roadmap, and mentor other scientists while partnering with engineering to build production-ready data pipelines. Required skills include deep expertise in randomized control trials, instrumental variables, and regression discontinuity. Candidates must be proficient in Python, SQL, and distributed data platforms like Spark or BigQuery to solve complex measurement problems within the advertising domain.

What does a Data Scientist earn in California?

Median $214500 from 134 postings across 32 companies.

See salary data

What you'll do

  • Design and implement large-scale causal inference methodologies to measure incremental lift across advertising channels.
  • Develop event-grain incrementality models, such as Uplift DNNs, to power ads bidding optimization.
  • Define the science roadmap for incrementality and prioritize high-leverage measurement problems.
  • Establish evaluation frameworks, exit criteria, and solution readiness standards for causal inference methodologies.
  • Partner with engineers to design data pipelines and schemas that meet precision requirements at scale.
  • Author high-quality technical design documents and whitepapers for presentation to senior leadership.
  • Mentor senior and mid-level scientists on complex measurement and causal inference problems.

What we're looking for

  • Option 1: Bachelor's degree in a quantitative field and 5 years of experience in an analytics related field.
  • Option 2: Master's degree in a quantitative field and 3 years of experience in an analytics related field.
  • Option 3: 7 years of experience in an analytics or related field.
  • PhD in Statistics, Economics, Econometrics, Computer Science, or a related quantitative field (preferred).
  • 5+ years in data science or quantitative research (preferred).
  • Deep expertise in causal inference and incrementality-based optimization, including RCTs, PIE models, and uplift DNNs.
  • Proficiency in Python and SQL for large-scale data analysis and experience with distributed data platforms like Spark or BigQuery.
  • Experience in the ads industry (preferred).

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