Tokyo · Available for new conversations
I build software products with deep iOS roots, from user-facing features to the systems and tools behind them.
Product engineer with 13+ years of experience. Led Wolt membership growth work, built internal telemetry and test tooling, and worked across architecture, performance, experimentation, quality, and developer experience.
Selected work
All projects
Growing Wolt+ across signup and delivery pricing
I led client work for Wolt+ signup and long-distance delivery across iOS, Android, and web. The cart and checkout experiments contributed to about 30% growth in membership sign-ups.
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Making iOS telemetry easier to inspect and debug
I built a macOS client that receives iOS telemetry over a local WebSocket, then added search and filtering so engineers could verify events without interrupting their work.
Read case studyReplacing an article extraction pipeline safely
I built SmartView's second article extraction pipeline beside the existing implementation, with client-controlled rollout and fallback behavior for an app used by millions of people.
Read case studyTest automation for weekly iOS regression testing
I maintained Maestro regression tests and built Python and agent-assisted tools for manual-test preparation, while checking accessibility, localization including right-to-left layouts, and telemetry as part of feature delivery.
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