# Sr. Staff Machine Learning Engineer, Monetization Engineering

**Company:** [Pinterest](https://hotfix.jobs/companies/pinterest)
**Location:** San Francisco, CA, Palo Alto, CA, Seattle, WA
**Role:** ML Engineering
**Salary:** $228k – $469k/yr
**Experience:** 7+ years
**Skills:** Machine Learning, Backend Systems, Statistical Models, Experimentation, Statistical Methods, Software Engineering, Computational Advertising, E-Commerce Systems
**Posted:** 2026-06-30

> Sr. Staff ML Engineer building backend systems, statistical models, and experiments to optimize Pinterest's ads marketplace and balance long/short-term objectives. Requires MS/PhD (or equiv), 7+ years experience, strong software engineering and math skills.

## Job Description

## What you’ll do

- Build and improve backend systems and statistical models that underlay the marketplace to maximize value for Pinners, Partners and Pinterest.
- Define and implement experiments to understand long term Marketplace effects.
- Develop strategies to balance long and short term business objectives.
- Drive multi-functional collaboration with peers and partners across the company to improve knowledge of marketplace design and operations.

## What we’re looking for

- MS or PhD degree in Computer Science, Statistics, related field, or equivalent experience.
- 7+ years of industry experience.
- Strong software engineering and mathematical skills with knowledge of statistical methods.
- Hands-on experience with large-scale online e-commerce systems is a plus.
- Background in computational advertising is preferred, but not required.

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**Apply:** https://hotfix.jobs/jobs/147f2a8a-cc72-414d-ac85-1f9171a29990
**Canonical:** https://hotfix.jobs/jobs/147f2a8a-cc72-414d-ac85-1f9171a29990