Cocoa

Kotlin Backend Engineer · OSS & Product Builder

I build observable, operable software with Kotlin.

My work spans Kotlin Multiplatform, Ktor, Android, and Compose Desktop, with a focus on runtime behavior, observability, and backend architecture.

Selected work

• Colotok — Structured logging runtime for Kotlin Multiplatform.
• CocoaDiskInfo — Disk health monitoring for Linux, from S.M.A.R.T. collection to historical analysis.
• Latte — Kotlin Multiplatform client for Japan Post APIs.

Elsewhere

Portfolio · Writing · Sponsor

_{Osaka, Japan · Cocoa Tech. Lab.}