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$
USD
I will build a react typescript web app with supabase and payment integration
Dohyun Lee
About this gig
Need a modern web app that actually works with login, database, and payments?
I build production-ready React + TypeScript applications, not template sites.
I've shipped real products end to end: a multilingual e-commerce web service with Supabase auth and PayPal/Toss payments, desktop report apps, and AI analysis tools. Your project gets the same production standard.
WHAT YOU GET
- Clean, responsive UI (React 19, TypeScript, TailwindCSS)
- User accounts & secure auth (Supabase)
- Database design & API integration
- Payment integration: PayPal, Stripe, or Toss (Premium)
- Multilingual support (i18n) for global reach
- Live deployment (Vercel/Netlify) + full source code ownership
WHY ME
- Full-stack: frontend, backend, database, deployment one person, no handoffs
- Marketing background (Meta Ads, GA4): I build pages that convert, not just render
- Clear communication, daily progress updates
HOW IT WORKS
1. Share your idea or reference sites
2. I confirm scope and timeline before starting
3. You review a live preview link and request revisions
4. Final delivery: deployed app + source code
Message me before ordering I'll confirm your scope fits the package.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Dohyun Lee
Dohyun Lee
FullStack Developer React TypeScript Web Apps Electron Desktop
- FromSouth Korea
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Korean, English, Japanese
Full-stack developer who ships complete products, not just code. I build React 19 + TypeScript web apps with Supabase auth/DB, real payment flows (Toss Payments, PayPal), and full i18n (EN/KO/JA). On desktop, I create Electron apps — from an all-in-one team workspace (docs, kanban, chat, calendar with Google SSO) to report generators that turn photo analysis into 100+ page PDFs. I also work in Python computer vision (MediaPipe face-landmark pipelines) and native Android (Kotlin overlay apps). With a digital marketing background (Meta Ads, GA4), I build products designed to convert.
FAQ
Q1. Do I need to have a design ready before ordering?
No. You can bring a Figma design, reference sites, or just an idea. For Standard and Premium, I'll propose a clean UI direction before development starts. If you already have a design, I'll follow it precisely.
Q2. Which technologies do you use?
React 19 + TypeScript with Vite and TailwindCSS on the frontend, Supabase (PostgreSQL) for auth and database, and Vercel or Netlify for deployment. I write clean, typed code and you receive full ownership of the source.
Q3. Can you integrate payments like Stripe or PayPal?
Yes — payment integration is included in the Premium package or available as an extra. I've shipped production payment flows with PayPal and Toss Payments, including order tracking and webhook handling.
Q4. Will my website work in multiple languages?
Yes. I build with i18next, so your app can support English, Korean, Japanese, or any other language. Multilingual setup is included in Premium; message me for other packages.
Q5. What do you need from me to get started?
A short brief (what the site does, who it's for), any branding assets (logo, colors), and page content or product info. I'll send a checklist after your order — most buyers can complete it in 15 minutes.
Q6. Do you provide support after delivery?
Yes — 14 days of free bug fixes after final delivery. New features or design changes beyond the agreed scope are quoted separately as a new order or gig extra.
