About the Position

Staff Machine Learning Engineer, Ads Bidding & Pacing

San Francisco, CA, US; Palo Alto, CA, US; Seattle, WA, US

At Pinterest, millions of people around the world come to our platform to find creative ideas, dream about new possibilities, and plan for memories that will last a lifetime. We’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product.

We’re looking for a Staff Machine Learning Engineer specializing in Ads Bidding & Pacing to join our team. You will develop new data-driven techniques to drive ads delivery performance and maximum ROI for advertisers, growing Pinterest’s revenue stream.

Responsibilities

Design target ROAS and automatic bidding & pacing algorithms for ads.
Explore bid landscapes to maximize revenue and advertiser value.
Work with product and sales teams to design and implement bidding strategies for new ad products.
A/B Experiment with bidding algorithm improvement ideas.
Collaborate with other teams to identify bidding and budgeting opportunities and capitalize on them.

Requirements

Bachelor's degree in Computer Science, Statistics, a related field, or equivalent experience.
6+ years of industry experience in ads delivery, automatic bidding / pacing, target ROAS bidding, ads marketplace / utility, or machine learning.
Proven Staff-level technical leadership as an IC: driving technical direction and cross-team alignment without formal people management.
Demonstrated ability to use AI to improve speed and quality of your workflow, with a strong track record of validating and stress-testing AI-assisted outputs.

Nice to Have

Direct experience specifically with bidding or pacing.
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.

We Offer

Competitive base salary range: $222,716-$389,753 USD.
Equity eligibility.
Opportunity to work in a dynamic and innovative environment.
Flexible working model with in-office collaboration requirements.

About the Company

At Pinterest, we believe the workplace should be equitable, inclusive, and inspiring for every employee. We are committed to providing greater transparency and making employment decisions based on merit. We encourage applications from all qualified individuals, regardless of background.

Our Commitment to Inclusion:

Pinterest is an equal opportunity employer and makes employment decisions on the basis of merit. We want to have the best qualified people in every job. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, religion or religious creed, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, status as a protected veteran, physical or mental disability, medical condition, genetic information or characteristics (or those of a family member) or any other consideration made unlawful by applicable federal, state or local laws. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you require a medical or religious accommodation during the job application process, please complete this form for support.

By submitting this application, I certify that all information submitted in my application and throughout the hiring process is true, accurate, and complete to the best of my knowledge. I understand that any false statement, omission, or misrepresentation may disqualify me from employment consideration or result in termination if discovered after hire.

Staff Machine Learning Engineer, Ads Bidding & Pacing

Job description