Staff Machine Learning Engineer, Ads Conversion Core Modeling

About the role

Pinterest is a platform where millions of people discover creative ideas, dream about new possibilities, and plan memorable moments. We're on a mission to help everyone create the life they love through our product. Join us to ignite innovation, transform passion into growth, and celebrate diverse experiences.

Responsibilities

• Lead the technical direction and development of state-of-the-art applied ML projects for ads conversion.
• Design and build large-scale DNN models to improve user action prediction with low latency.
• Mine text, visual, and user signals to better understand intention and infer interests from online activity.
• Use AI to accelerate analysis and iteration, ensuring correctness and quality.
• Automate repeatable tasks such as documentation, reporting, and QA checks to speed up the development lifecycle.
• Coach and mentor engineers while collaborating with product and sales to design new ad products.

Requirements

• Bachelor's degree in Computer Science, Statistics, or a related field.
• 6+ years of industry experience building production ML systems at scale (Search, Recommendations, or Ranking).
• 2+ years of experience leading technical projects or teams.
• Demonstrated ability to use AI to improve speed and quality in your day-to-day workflow for relevant outputs.
• Experience with Cursor, Copilot, Codex, or similar AI coding assistants for development, debugging, testing, and refactoring.
• Familiarity with LLM-powered productivity tools for documentation search, experiment analysis, SQL/data exploration, and engineering workflow acceleration.
• High integrity and ownership: protect sensitive data, avoid over-reliance on AI, and remain accountable for final deliverables.
• Strong mathematical foundation and experience with statistical methods and A/B testing.

Qualifications

• High integrity and ownership: protect sensitive data, avoid over-reliance on AI, and remain accountable for final deliverables.
• Strong mathematical foundation and experience with statistical methods and A/B testing.

Skills

• Strong mathematical foundation and experience with statistical methods and A/B testing.

Benefits

At Pinterest, we offer a competitive compensation package including a base salary range of $222,716—$389,753 USD, along with equity and benefits. We are committed to creating an inclusive workplace where everyone feels valued and inspired.

Pay

$222,716—$389,753 USD

Schedule

This role requires in-office collaboration 1-2 times per month and is located in a commutable distance from San Francisco, Palo Alto, or Seattle.