Work

Web products,
built with care.

Concept, design, code and operations. Below are the platforms currently public or in development.

Platforms

Products in public use and development.

Design, implementation and operational automation — all of it handled end to end.

PlatformLive

Hanami Nail

Nail salon discovery platform for visitors to Japan

An English-content platform for visitors to Japan, with a structure that can publish content by category.

  • English content
  • Category-based publishing structure
  • Next.js App Router
  • Supabase
  • Vercel
  • Multilingual
PlatformLive

SHARENAIL

Chair-rental matching platform for nail artists

A matching platform connecting practitioners with venues. Registration, screening, visit, contract and go-live are handled as a single flow, with the operator in the loop. Includes an admin dashboard and automated emails triggered by confirmed dates (idempotent, dispatched every morning).

  • Registration-to-go-live workflow
  • Admin dashboard and automated email
  • Next.js App Router
  • Supabase
  • Admin Dashboard
  • Auth
  • Cron Jobs
SaaSShipping

MUSUBU

LINE × AI booking SaaS for beauty salons

AI built into the LINE Official Account, automating everything from the first inquiry to a confirmed booking. Flat monthly pricing with zero per-booking commission.

  • ¥30,000 setup
  • from ¥9,800/mo
  • No commission
  • LINE Messaging API
  • Claude API
  • RAG
  • Supabase
SystemIn Development

MotenasuOS

Operations system for hotels and ryokan

One system for reservations, rooms, guests and customer records. Designed around the screens staff actually touch every day — drawn from firsthand hotel operations experience. Currently in development.

  • Next.js
  • Supabase
  • next-intl
  • FullCalendar
  • Recharts
Start a Project

Your project is next.

The spec does not have to be settled. We can start from whatever is getting in your way right now.

Send any time — I reply within 1 business day.
Rates are on /en/services, contract terms on /en/work.
By email: info@shingokumon.com