Fullstack Delivery App and Website

I am looking for an experienced full-stack developer (or team) to build a grocery and household products delivery platform, similar to Blinkit and Zepto.

Platforms Required:

1) Customer Website/App – for browsing, ordering, and tracking groceries.
2) Delivery Partner App – for riders to manage orders and deliveries.
3) Admin Panel (Web-based) – for managing users, products, orders, payments, and deliveries.

Core Features:

*User Authentication: Email/Password, Social Media Logins, Phone Number with OTP
*Real-time Tracking of deliveries (GPS + maps integration)
*In-app Messaging between customers and delivery partners
*Secure Payment Gateway Integration (UPI, Cards, Wallets, etc.)
*Product Management (catalog, pricing, stock availability)
*Order History & Invoice generation
*Notifications (SMS, Email, Push)
*Smooth, user-friendly UI/UX

Ideal Skills & Experience:

*Strong background in Android App Development
*Proficiency in secure and scalable web development
*Hands-on experience with real-time tracking systems
*Knowledge of payment gateway integrations
*Previous experience building delivery/e-commerce platforms (preferred)

Deliverables:

*Fully functional Customer Website + Android App
*Fully functional Delivery Partner Android App
*Fully functional Admin Panel (Web-based)
*Documentation & basic deployment support
*Source code and handover after project completion