Yosuke Sakurai

Systems-focused Senior Android Engineer with 8+ years of production experience building high-availability mobile applications in e-commerce and fintech. Expert in Kotlin, multi-module architecture, and unidirectional state management (MVI/Redux). Proven track record shipping scalable features for apps serving millions of users, with deep expertise in Android lifecycle behavior, background execution optimization, and CI/CD automation. Native Japanese speaker; fluent English