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You will get your existing Next.js, Supabase, or Vercel web app fixed
Project details
Your existing Next.js or Supabase app should not stay stuck because of a broken build, authentication loop, API failure, or Vercel deployment issue.
I will diagnose a reproducible problem, repair the affected code path, verify the build, and document what changed. Depending on the package, I can fix one bug, repair up to three related issues, or stabilize a connected auth, data, API, and deployment workflow.
Typical issues include TypeScript and production build failures, Supabase authentication and RLS problems, Vercel environment configuration, API or webhook reliability, missing error states, and responsive overflow.
You receive tested source changes, deployment verification when access is available, and a concise handover. I keep changes scoped to the selected package. New product features, full redesigns, migrations, and paid third-party fees are not included unless agreed before purchase.
Please message me before ordering if the issue is unclear or spans multiple systems.
I will diagnose a reproducible problem, repair the affected code path, verify the build, and document what changed. Depending on the package, I can fix one bug, repair up to three related issues, or stabilize a connected auth, data, API, and deployment workflow.
Typical issues include TypeScript and production build failures, Supabase authentication and RLS problems, Vercel environment configuration, API or webhook reliability, missing error states, and responsive overflow.
You receive tested source changes, deployment verification when access is available, and a concise handover. I keep changes scoped to the selected package. New product features, full redesigns, migrations, and paid third-party fees are not included unless agreed before purchase.
Please message me before ordering if the issue is unclear or spans multiple systems.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$35
|
Standard
$99
|
Advanced
$249
|
|---|---|---|---|
| Delivery Time | 2 days | 3 days | 5 days |
Number of Revisions | 1 | 2 | 2 |
Bug Investigation | |||
Fix Documentation | - | ||
Detailed Code Comments | - | - |
Frequently asked questions
About Ethan
Next.js & Supabase Developer | AI Web App Repair & Vercel
Shenzhen, China - 3:27 am local time
I can help with:
- Next.js, React, and TypeScript build or runtime errors
- Supabase Auth, database, RLS, and data mapping
- Vercel deployment, environment variables, and API routes
- Webhook and API integration bugs
- Responsive UI, loading, empty, and error states
- Tests, health checks, and clear handover notes
I work best on focused rescue sprints: reproduce the issue, identify the root cause, fix it, verify the affected workflow, and document what changed.
You receive working code, a tested deployment, and a concise repair report. I can also improve AI-generated apps built with Lovable, Bolt, Replit, v0, or similar tools.
Send me the repository, current deployment URL, and error details. I will identify the likely cause, required access, and a practical scope before work begins.
Steps for completing your project
After purchasing the project, send requirements so Ethan can start the project.
Delivery time starts when Ethan receives requirements from you.
Ethan works on your project following the steps below.
Revisions may occur after the delivery date.
Reproduce and confirm scope
Review the repository, deployment, and error evidence; reproduce the issue and confirm the selected package scope.
Diagnose the root cause
Trace the failing code path, dependencies, configuration, and relevant auth, data, API, or UI behavior.