JobsPrincipal Engineer, Data Quality, AI Foundry
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Principal Engineer, Data Quality, AI Foundry

Google

Location

San Jose, CA

Type

Full-time

Posted

9/24/2026

Compensation

$307,000 - $427,000 per year

Undergraduate with 5+ Years of Experience
H-1B FY202698.4% approval-14% YoY
👑 Elite sponsor

Job description

The Principal Engineer for Data Quality at Google will lead the technical direction and strategy for the Data Quality team within the AI Foundry. This team is responsible for delivering high-quality datasets that enhance the user experience across various Google products, including Search and DeepMind. The role involves collaborating with researchers and engineers to ensure data quality and establish self-healing data systems. This position offers a unique opportunity to influence how Google utilizes data at scale.

Requirements

  • Bachelor's degree in Computer Science, Engineering, Mathematics, Statistics, Economics, or a related technical field.
  • 15 years of experience in software engineering, building and working with systems in the technology organization.
  • 7 years of experience in a technical leadership role with or without direct reports.
  • 5 years of experience developing and deploying machine learning models on data sets.
  • 3 years of experience in infrastructure or data systems, building or managing infrastructure products.

Responsibilities

  • Lead the strategy, technical vision, and roadmaps for the data quality team to deliver high-quality datasets for DeepMind and Search.
  • Drive the architecture toward establishing the data flywheel for ML training data and Search Context that can self-correct and self-heal.
  • Collaborate closely with DeepMind and Search researchers, data analysts, and engineers to identify key Value of Data signals.
  • Partner with infrastructure owners in AI Foundry to evolve systems to deliver high-quality datasets that power Search features and AI models.
  • Provide technical guidance to critical components of the context quality area, such as large-scale signal developments and design of quality metrics.

Benefits

  • Employees at Google are often offered benefits like comprehensive health insurance, 401(k) matching, and flexible work arrangements, among other benefits.

H-1B filing history

Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026

Filing entity: Google Llc

As of Aug 23, 2026

Initial approvals

908

FY2026

Approval rate

98.4%

FY2026

LCA certified

4,273

FY2026

Entry-level share

0.6%

FY2026

Initial approvals YoY

-14%

Trend

LCA certified YoY

-51%

Trend

Initial approvals by fiscal year

Approval rate by fiscal year

Continuing vs initial approvals

LCA certified positions by quarter

LCA certified positions by fiscal year

Based on public USCIS and DOL filings; not a sponsorship guarantee.

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