Comprehensive Three-in-One Website Development

I need an experienced full-stack developer or team to build a three-in-one website that includes:
1️⃣ An E-commerce store for product sales
2️⃣ A Multi-vendor marketplace for sellers to register and manage their shops
3️⃣ A Marketing automation system with scripts for email campaigns, coupon codes, referrals, and analytics

Main features required:

Responsive design (mobile-friendly)

Customer, vendor, and admin dashboards

Product management, cart, checkout, and secure payments

Vendor onboarding, product approval, and commission system

Coupon and referral system with marketing automation

Admin panel for managing orders, vendors, and payouts

SEO-friendly pages and analytics integration

Deployment to hosting server with full documentation

Preferred Tech Stack (flexible):

Laravel + Vue.js + MySQL, or

Node.js + React + PostgreSQL

Deliverables:

Fully functional live site

Source code + admin documentation

30 days of post-launch support

Please include in your proposal:

Estimated budget and timeline

Suggested tech stack

Links to similar projects you’ve built