Led two mobile engineering teams totaling 12 engineers across Android, iOS, and C++ owning Snapchat’s mobile media stack at ~474M DAU across Snaps, Stories, Spotlight, Memories, and other full-screen video surfaces.
Owned full-screen media playback, video player architecture, playback performance, adaptive playback scheduling, buffering, prefetching, caching, and video quality selection for large-scale mobile video experiences.
Defined mobile video QoE metrics and instrumentation for time to first frame, rebuffering, visual quality, playback failures, and reliability. Built KPI dashboards and debugging workflows to drive performance improvements and production issue response.
Led mobile networking and media delivery across network client behavior, media caching, CDN selection, bandwidth estimation, carrier throttling and traffic shaping detection, delivery cost optimization, operational alerting, and on-call response.
