---
title: "React JS, Next JS, Firebase and MERN Stack Developer Services"
url: https://zinnhub.com/zinns/react-js-next-js-firebase-and-mern-stack-developer-services/
description: "1 page ( 3 to 4 seaction ) + Navbar front end web design and development in React js or Next js. | Fullstack Blockchain and Web3 Developer, Smart Contracts, DEX, DeF"
published: 2025-12-15T04:40:15+00:00
modified: 2026-07-01T01:11:52+00:00
language: en-GB
---

# React JS, Next JS, Firebase and MERN Stack Developer Services

**DApp & E-Commerce Web Development | Full-Stack Services**

Welcome! I’m **Zinn Digital®**, a **Full-Stack Web Developer** with **5+ years of experience** in web development and backend integration. Based in **London, England**, I specialise in building **interactive and high-performance applications** using **React js, Next js, and their entire ecosystem**, along with backend technologies like Node.js, **Firebase**, **Express**, and **MongoDB**.

**What I Offer:**

Custom **React js** / **Next js** **Front end Development**

**Full Stack** Web App Development

E-Commerce & **DApp** Development

Integration with **APIs**, **Databases** & **Smart Contracts**

**Performance Optimisation & UI Enhancements**

**My Tech Stack:**

**Frontend Development:**

- **React.js** / **Next.js** / **Gatsby.js**
- React Hooks & Redux (Redux Toolkit)
- Material-UI / **Tailwind CSS** / **Bootstrap**
- **React Native**
- **Firebase**
- **Web3** & Smart Contract Integration

**Backend Development:**

- Node.js / Express.js
- GraphQL (Apollo)

**Database & DevOps:**

- MongoDB / MySQL / Firebase
- AWS & Cloud Services
- GitHub / Bitbucket
- RESTful APIs

**Blockchain Development:**

- Solidity
- Web3.js / Ethers.js

**Let’s Build Something Great!** Whether you need a **custom frontend**, a **full-stack application**, or **DApp integration**, I’m here to help deliver exceptional results through **Zinn Hub**.

**Note: Contact me before placing an order!**

---

### This Zinn Will Include (Basic)

1 page ( 3 to 4 seaction ) + Navbar front end web design and development in React js or Next js.

**Delivery:** 1 day

**Revisions:** 1

**Includes:**

• Number of pages: 1
• Responsive design
• Include source code

---

### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 1 day | 7 days | 21 days |
| **Revisions** | 1 | 4 | Unlimited |
| Number of pages | 1 | 4 | 10 |
| Responsive design | ✓ | ✓ | ✓ |
| Include source code | ✓ | ✓ | ✓ |
| Content upload | ✗ | ✓ | ✓ |
| Detailed code comments | ✗ | ✗ | ✓ |