---
title: "Fix bugs in Next.js, Supabase, GraphQL, MongoDB, Firebase"
url: https://zinnhub.com/zinns/fix-bugs-in-next-js-supabase-graphql-mongodb-firebase/
description: "Build a Starter Next.js Project with Supabase | Passionate Software Engineer who loves solving problems with tech"
published: 2026-01-08T17:59:33+00:00
modified: 2026-07-01T00:34:38+00:00
language: en-GB
---

# Fix bugs in Next.js, Supabase, GraphQL, MongoDB, Firebase

I’m from Zinn Digital®, a **React.js and Next.js developer with 3+ years of experience.** I specialise in full-stack development with **Supabase, Node.js, and bug fixing** for web and backend applications.

**Frontend Services:**

- Next.js Development (SEO-friendly applications)
- Supabase Integration (authentication, database)
- Responsive UI (Tailwind CSS, Material UI, Ant Design)
- Bug Fixes (React.js, Next.js)

**Backend Services:**

- Node.js Development (scalable systems)
- Database (PostgreSQL, MongoDB, SQL/NoSQL)
- API Creation (secure RESTful APIs)
- Bug Fixes (Backend issues)

**Tech Stack:**

- Frontend: JavaScript, TypeScript, React.js, Next.js, Redux, Axios, Tailwind CSS
- Backend: Node.js, TypeScript, MongoDB, PostgreSQL

Based in London, England, if you need assistance with development or fixing bugs, please contact us through Zinn Hub!

---

### This Zinn Will Include (STARTER PACKAGE)

Build a Starter Next.js Project with Supabase

**Delivery:** 3 days

**Revisions:** 1

**Includes:**

• Number of pages: 2
• Content upload
• Responsive design
• Include source code

---

### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 3 days | 7 days | 14 days |
| **Revisions** | 1 | 2 | None |
| Number of pages | 2 | 3 | 5 |
| Content upload | ✓ | ✓ | ✓ |
| Responsive design | ✓ | ✓ | ✓ |
| Include source code | ✓ | ✓ | ✓ |
| Design customization | ✗ | ✓ | ✓ |