
This Staff Fullstack Software Engineer role serves as the singular technical owner for application performance across Dropbox's Core organization, covering web, mobile, and desktop platforms. The position involves defining the performance discipline from the ground up, starting with hands-on optimization of high-traffic React web surfaces and expanding to lead strategy for iOS, Android, and desktop clients. Key responsibilities include profiling applications, building measurement and regression-detection systems, and driving cross-functional initiatives to improve user experience. The role appeals to engineers seeking to shape foundational systems, influence senior leadership, and advance engineering excellence through the adoption of AI-assisted workflows. This position offers significant growth into an org-level technical strategist role within a collaborative culture focused on measurable business impact.












