
New to Contra
Jun is ready for their next project!

I build production-ready AI web and mobile products from idea to deployment.
Recent: Saystep, an AI English speaking & pronunciation iOS app - React/TypeScript, Capacitor iOS, FastAPI, Azure Speech, Supabase auth, StoreKit 2 subscriptions.
I focus on clear requirements, maintainable code, security, and measurable validation.
Available for MVPs, production features, and API integrations.
$25 - $50/hr
Fukuoka, Japan
(GMT+9) Japan Standard Time (JST), ±5 hours
Fluent in Japanese and English