• End-to-end ownership of a core product domain: architecture, implementation, and reliability • Technical direction: make meaningful architectural calls, document them, and defend them • Quality bar: code review standards, testing discipline, and engineering norms for your team • Shipping velocity: keep a small team unblocked, focused, and moving at a pace that compounds • Team growth: hire 3-5 engineers under you over the next 12 months and make them better • Cross-functional partnership: work directly with product, research, and clinical teams — no layers