Work
Professional engagements, most recent first. Case studies cover context, decisions, delivery, and what I would change. Briefs state only the role, scope, and system facts that can be published, and are expanded where more can be cleared.
Project index
Next-Generation WMS
Technical planning and architecture for a next-generation warehouse management system, spanning application layers, cloud, security, and warehouse-control integration.
- Role
- Tech LeadFrameworx, Daiwa House Group
- Period
- 2026/09–Present2 mos
- Status
AI Chat Game Platform
0→1 development of a consumer AI chat game platform, led as Project Lead and full-stack engineer in a 20-person cross-functional team.
- Role
- Project Lead / Full-Stack EngineerIkigai Co., Ltd.
- Period
- 2025/07–2026/0511 mos
- Status
Packaging-Industry SaaS
Full-stack work on a production web and mobile SaaS for the packaging industry, where growing data had degraded responsiveness for every customer.
- Role
- Full-Stack EngineerNagashima Konpo Co., Ltd.
- Period
- 2024/12–2025/121 yr 1 mo
- Status
Client Project Delivery
Five client projects across five industries, from a two-month corporate site led end to end to an insurance system built by roughly forty people — web delivery, CRM, and enterprise backend work.
- Role
- Software Engineer / Project LeadFlaretech Co., Ltd. (formerly Marvel)
- Period
- 2023/03–2025/052 yrs 3 mos
- Status