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Pinterest

Principal Machine Learning Engineer, Ads Delivery

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

Posted about 2 months ago

or apply directly on Pinterest's site. We never take the application ourselves.

Is this posting real?

This role has been open
66 days
Pinterest's roles stay open a median of 66 days
Reposted
No
Salary listed
No
0% of Pinterest's roles list one
Ghost-job risk at Pinterest
high
160 stale, 10 reposted of 190 open
Hiring momentum
330 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-08

Measured from postings appearing on and disappearing from Pinterest's own greenhouse board since 2026-08-03. Full hiring picture for Pinterest.

About this role

As a Principal Machine Learning Engineer on the Ads Delivery team at Pinterest, you will develop and execute a vision for the evolution of the Pinterest marketplace. Your responsibilities include building backend systems and statistical models, defining experiments to understand marketplace effects, and driving collaboration across teams to enhance marketplace design and operations.

Our read on this posting2.0out of 5
benefits
1/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Pinterest as an employer.

What you need

  • Degree in Computer Science, Machine Learning, Statistics or related field
  • 10+ years of professional experience as a hands-on engineer and technical leader leading multiple projects
  • Strong software engineering and mathematical skills with knowledge of statistical methods

Nice to have

  • Hands-on experience with large-scale online e-commerce systems
  • Background in computational advertising
  • Experience using 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

What you get

  • Base salary range of $314,580 — $550,515 USD
  • Eligible for equity

Worth weighing

  • In-office requirement of 1-2 times/month
  • No relocation assistance offered
  • US based applicants only

Summarised from Pinterest's posting. Read the full original.

Listed by Pinterest on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.

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