Upgrade and Modernize Laravel E-Commerce Site

Hello,

I have an existing e-commerce website built on Laravel, and I want to modernize the entire project while preserving all existing functionality and data.

Current Technology Stack

Backend

* Laravel 10.x
* PHP 8.1
* MySQL 8.0
* Laravel Sanctum
* Laravel Socialite
* Custom Laravel Admin Panel (Not Filament)

Frontend

* Laravel Blade Templates
* Laravel Mix 6
* Vue.js 2
* Bootstrap 4
* Axios 0.19

Required Upgrade

Please upgrade and modernize the entire project to the following stack:

Backend

* Laravel 12 (Latest Stable)
* PHP 8.4
* MySQL 8.4 LTS (compatible)
* Latest Composer packages
* API-based architecture
* Improved security and performance

Frontend

Build a completely new premium frontend using:

* Next.js 15
* React 19
* TypeScript
* Tailwind CSS
* Responsive UI/UX
* SEO-friendly architecture (SSR/SSG)
* Optimized Core Web Vitals (Google PageSpeed 90+)

The new frontend should be modern, premium, fast, and optimized for conversions.

Admin Panel

Replace the existing custom Laravel admin panel with:

* Filament v4
* Migrate all existing features
* Preserve all current data
* User management
* Product management
* Category management
* Orders
* Customers
* Coupons
* Settings
* Reports
* Media Manager
* Any existing admin functionality should continue to work.

Migration Requirements

* Migrate the complete database without data loss.
* Preserve all products, categories, users, customers, orders, images, and settings.
* Maintain existing business logic wherever applicable.

Performance & SEO

* API integration between Laravel and Next.js
* Lazy loading
* Image optimization
* Caching
* Security improvements
* Structured data/schema markup
* Sitemap
* Robots.txt
* Meta management
* Clean URL structure
* Fast loading speed

Deployment

* Production-ready setup
* Configure the project on my hosting and domain
* SSL configuration
* Environment configuration
* GitHub source code
* Installation and deployment documentation

Please Provide

1. Total project cost
2. Estimated timeline
3. Whether you will migrate the existing codebase or rebuild it from scratch
4. Technologies and architecture you plan to use
5. Warranty or free bug-fix period after delivery
6. Examples of similar Laravel + Next.js projects you have completed

I will share the complete source code and database after discussing the quotation.