Principal Engineer, AI Platform

Pinterest is a platform that helps people find creative inspiration and plan for meaningful experiences. The Principal Engineer will set the technical vision for the AI Platform and architect infrastructure supporting Generative AI and Recommender Systems at massive scale. The role will lead cross-functional initiatives spanning data orchestration, model training, inference, and AI-powered productivity tools.

Responsibilities:

• Set the technical vision and roadmap for the Pinterest AI Platform, aligning with business priorities and long-term company strategy
• Drive cross-functional strategic initiatives that advance our platform capabilities across:

• Generative AI: multimodal data management, post-training, evaluation, and batch/online inference.
• Recommender Systems: feature stores, training infra, and large-scale high performance inference.
• AI-powered tools that automate the user experience across our platforms, connecting every stage of the AI/ML lifecycle to enhance productivity and accelerate development

• Cultivate a collaborative and inclusive culture where every team member feels welcome and empowered, and provide candid, constructive feedback that accelerates individual and team growth