Ryugo Kubota
/
Full-Stack Engineer

Problems, into working products, fast.

Frontend to backend to infrastructure — end to end.

FrontendBackendCloud / InfraAI
terminalCLAUDE_CODE_ACTIVE
>
Ryugo Kubota
TypeScript
React
Next.js
Nuxt
NestJS
Python
Go
Ruby on Rails
AWS
GCP
Docker
Prisma
database
CORE_CAPABILITIES

Precision systems. Agile solutions.

architecture

End to end, from requirements to full-stack development

speed

Broad experience and relentless efficiency — from delivery to performance gains

smart_toy

Proposing AI-driven efficiencies and turning them into shared knowledge

Selected work

See all work

Energy management platform

Led a consumer / utility visualization app (mobile + web admin) from requirements through UI/UX and implementation; sharply improved render speed.

React NativeTypeScriptNest.js

Real-time matching app

Owned UX and performance for a cross-platform app; cut bundle size, analyzed drop-off funnels, and added Sentry-based error tracking.

React NativeTypeScriptNest.js

Seminar booking & payments

Built a full-stack booking, payment, and DB system solo — Stripe checkout, QR check-in, and Supabase + Prisma data modeling.

TypeScriptNext.jsTailwind CSS

High-traffic real-estate marketplace

Audited architecture, cut bundles, and reworked rendering to raise the Lighthouse performance score from ~30 to 80+.

TypeScriptReactNext.js

Education-service landing page

Coded an education-service landing page to spec from Figma designs.

HTMLSCSSPython

Real products, live in production.