---
title: "MERN Stack Developer – React SaaS Web App Development by Zinn Digital®"
url: https://zinnhub.com/zinns/mern-stack-developer-react-saas-web-app-development-by-zinn-digital/
description: "The basic package will include UI design for the first 3 to 4 pages | Mobile App Developer I Custom CRM, ERPNext Customizations, AI, MERN"
published: 2025-12-05T20:14:39+00:00
modified: 2026-07-01T01:19:51+00:00
language: en-GB
---

# MERN Stack Developer – React SaaS Web App Development by Zinn Digital®

**Looking for a professional Full Stack Software Developer to build your Web App, SaaS, or CRM solution that truly aligns with your business goals?**

You’ve landed at the right Zinn.

Zinn Digital® specialises in **custom software development**, **full stack web app creation**, and **SaaS platform development** all tailored to your specific requirements. Whether you’re launching a startup **MVP**, upgrading an existing product, or need a secure, scalable, and high-performing **SaaS / CRM / ERP**, we’ll deliver a robust and future-ready solution built to last.

**Services We Offer**

Custom Web App Development React, Next.js, Laravel, PHP, Node.js

Full Stack Development Frontend, Backend & Database Architecture

SaaS Platform Development User roles, subscriptions, payments & dashboards

CRM / ERP Solutions Complete business management systems

API Integration Stripe, PayPal, and third-party automation tools

Database Design & Optimisation MySQL, MongoDB, PostgreSQL

Cloud Deployment & Hosting AWS, GCP, Azure, or VPS setup

Why Choose Zinn Digital®

Experienced Full Stack Developers based in London, England with real-world project expertise

Clean, maintainable & scalable codebase

End-to-end development from idea to deployment

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### This Zinn Will Include (UI – Web application development)

The basic package will include UI design for the first 3 to 4 pages

**Delivery:** 5 days

**Revisions:** 2

**Includes:**

• Number of pages: 3
• Design customization
• Responsive design

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### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 5 days | 21 days | 30 days |
| **Revisions** | 2 | 3 | 4 |
| Number of pages | 3 | 10 | 10 |
| Design customization | ✓ | ✓ | ✓ |
| Responsive design | ✓ | ✓ | ✓ |
| Content upload | ✗ | ✓ | ✓ |
| Include source code | ✗ | ✓ | ✓ |
| Detailed code comments | ✗ | ✓ | ✓ |