Pinterest
Staff Machine Learning Engineer, Homefeed
US
UTC-10 to UTC-5 $189k to $390k 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 189,308 to 389,753 per year
- Posted
- November 2, 2026
Summary from the posting
- Own and advance a major technical area in automated recommendation research within Reflex, collaborating with other technical leads and partner teams.
- Build LLM agents that connect hypothesis generation, implementation, experiment execution, evaluation and learning from previous results.
- Develop rigorous evaluations for agent behavior and research outputs, and use them to improve quality, reliability and efficiency.
- Contribute to generative retrieval models, particularly Semantic ID learning, evaluation and integration into production recommendation systems.
- Take promising ideas from research and prototypes through offline evaluation, online experimentation and production launches.
This is a short summary. The full description, requirements and the application form are on Pinterest's own career page.