Staff ML Engineer – LLMs for Shopping Ads

Pinterest is hiring a Staff Machine Learning Engineer on the Merchant team to build AI/ML systems that surface high-quality merchants for Pinners and enable broader merchant reach. You will lead LLM-first initiatives, define roadmaps, and collaborate with product, engineering, and data science to scale production systems. Expect to own evaluation practices, safety considerations, and performance metrics, while mentoring teams and shaping the technical standards for scalable AI solutions across