Sr. Machine Learning Engineer, Responsible AI– Applied Research Science
Core
Design and drive projects in the responsible AI frontier to identify, avoid, and mitigate bias across a wide range of ML applications at Pinterest, including Gen AI product evaluations, foundation models safety fine tuning, alignment, and Red Teaming.
Role type
Senior Machine Learning Engineer (Responsible AI)
Builds
Responsible AI safeguards, fairness tooling, and user-facing features for Pinterest's search and recommendation systems
Domain
Social media, Generative AI, Fairness & Ethics
Deliverable
production ML models
Required skills
Advanced ML methods, transformer-based models, LLMs, VLMS, fairness interventions, cross-team leadership, technical strategy definition
Preferred skills
Publications at top ML conferences, AI coding assistants (Cursor, Copilot, Codex), LLM-powered productivity tools, scalable realtime stream data systems
Technologies
Transformer-based models, 2-tower architectures, LLMs, VLMS
Responsibilities
Design and drive projects to identify, avoid, and mitigate bias across ML applications; Collaborate with engineering teams to adopt Responsible AI practices and ML Fairness tooling; Mentor junior engineers on Responsible AI; Define and drive technical strategy for Responsible AI
Seniority
Senior, hands-on IC with leadership responsibilities
