Applied Research Intern, Proactive Intelligence & Customer World Models

Team: Apollo — Block Applied R&D | Location: Remote (US / Canada) | Duration: Fall/Winter 2026 co-op — 8 months, flexible start September 2026 | Level: Graduate student (MS or PhD, returning to your program after the co-op)About ApolloApollo leads Block's efforts to build the Customer World Model (CWM): a continuously evolving representation of each customer's goals, context, history, constraints, and likely future needs.The CWM powers proactive intelligence across Block's ecosystem. Instead of customers navigating products in search of features, intelligence observes their world, understands what matters, anticipates what comes next, and initiates actions on their behalf.We believe the next generation of AI products will not be defined by chat interfaces or isolated agents. They will be defined by rich world models that enable systems to reason over a customer's evolving state, make better decisions, and learn continuously from outcomes. Apollo designs, prototypes, and guides the deve