Pinterest is seeking a Sr. Staff Software Engineer for their Notifications Experience team. This role will directly contribute to the company's growth by reducing user churn and engaging dormant users. The ideal candidate will have 8+ years of experience in developing large-scale distributed systems and 3+ years in AI/ML-powered core product teams. Key responsibilities include crafting a multi-year AI/ML-powered technical strategy for Notifications, influencing the broader technical vision for Pinner Lifecycle, and leading a team of 25+ engineers in executing the roadmap. The role requires expertise in building and scaling large-scale communications platforms or content recommender systems, strong systems-based thinking, and excellent collaboration skills with cross-functional stakeholders. This position offers the flexibility of Pinterest's PinFlex work model, allowing for remote work options. Pinterest is committed to diversity and equal opportunity employment.