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