Summary
Kazuhiro Yamada is a product manager and team leader with 14 years of experience blending UX-driven service development, frontend engineering, QA, and machine learning-informed product decisions. Based in Chiyoda, Japan, he has evolved at 株式会社PR TIMES from frontend engineer to scrum master, QA manager and now product manager, giving him rare end-to-end perspective from implementation to quality and strategy. He brings hands-on mobile expertise (Android, iOS, Kotlin Multiplatform) and SEO-savvy UX design to prioritize measurable user outcomes. Known for bridging design and engineering, he often applies usability insights and ML signals to improve discoverability and engagement. His background in environmental information from 慶應義塾大学 adds a systems-thinking lens to product problems.
14 years of coding experience
5 years of employment as a software developer
graduate, environmental information, graduate, environmental information at 慶應義塾大学