Pinterest
Principal Engineer, AI Platform
US
UTC-10 to UTC-5 $243k to $500k per year Full time
Lead or Staff
- Where you can live
- San Francisco, CA, US; Remote, US
- Working hours
- Overlap with UTC-10 to UTC-5
- Salary
- USD 242,634 to 499,541 per year
- Posted
- September 22, 2026
Summary from the posting
As a Principal Engineer on the AI Platform team, you'll help architect the infrastructure that powers both Generative AI and Recommender Systems across Pinterest's entire product suite. Our team builds the end-to-end engines for petabyte-scale data orchestration, model training and fine-tuning, and high-performance inference, ensuring our models scale seamlessly to hundreds of millions of inferences per second in service of over 600 million monthly active users.
What you’ll do:
- Set the technical vision and roadmap for the Pinterest AI Platform, aligning with business priorities and long-term company strategy.
This is a short summary. The full description, requirements and the application form are on Pinterest's own career page.