Case Study

Varadero54Ecommerce + Admin System + Logistics Integration

Development of a complete ecommerce platform with an integrated administration system designed to centrally manage sales operations, inventory, and deliveries.

Next.jsSpring BootKotlinMongoDB
varadero54.com
Varadero54 — main screen
Context

The Problem

The business needed to fully digitize its operations to:

Sell online a wide variety of products (from food to appliances)

Manage orders, inventory, and customers in a single system

Adapt to specific payment processing limitations

Control delivery workflows with external systems

The Solution

The Solution

A fullstack solution composed of two integrated systems was developed:

varadero54.com/tienda
Módulo Ecommerce — vista del cliente
🛍️
Module

Ecommerce

Everything the customer sees

  • Dynamic product catalog
  • Shopping cart
  • Favorites system
  • Multiple shipping address management
  • Checkout with external payment links (adapted to business restrictions)
  • Shipping method selection with different costs and delivery times
varadero54.com/admin
Panel de Administración — gestión del negocio
🧑‍💼
Module

Admin Panel

Complete business management

  • Complete product and real-time inventory management
  • Overselling configuration per product
  • Order control with dynamic statuses
  • User, role, and permission management
  • Complete operations history
  • Integration with external logistics system for delivery status updates
Screenshots

The Project in Detail

Engineering

Technical Highlights

Secure JWT-based authentication

Role and permission-based access control

Automatic notifications: Email + SMS messaging

Decoupled architecture (REST API)

State synchronization with external delivery system

Architecture

Integrations

Payment Links

External payment link system adapted to the business's specific processing restrictions.

External Delivery System

Bidirectional sync with third-party logistics platform for real-time delivery status updates.

Notifications

Automatic alerts via email and phone messaging for orders, status changes, and key events.

Development

My Role

Fullstack end-to-end development:

  • 01Architecture design
  • 02Backend implementation
  • 03Frontend development (client + admin)
  • 04External payment integration
  • 05Delivery system integration
  • 06Deployment
Stack

Tech Stack

FrontendReact / Next.js
BackendSpring Boot (Kotlin)
DatabaseMongoDB
Results

Impact

Complete business digitization

Centralized operations (sales, inventory, logistics)

Flexible payment processing adapted to restrictions

Scalability to handle multiple product categories

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