Drive delivery of cross-platform media systems; own architecture decisions and customer impact. Expert in C++ (memory, threading, real-time, perf profiling). Deep media domain skills (eg. containers/codecs, streaming, sync) and major platform media SDKs (mobile, desktop, consoles). Design extensible, testable, maintainable systems; reduce tech debt. Produce strategy docs/technical design docs; set/enforce non-functional requirements; align partner teams to ship.