Case Study: Custom E-Commerce

Project goal

Our challenge was to transform a traditional wholesale business into a high-performance digital platform. The result: a robust, scalable system accessible from any device.

We designed a tailor-made solution for Gorras Rosario, focused on automating key operations, centralizing business management, and improving the experience for customers and admins.

• Public catalog with advanced filters
• Smart product bulk upload
• Persistent cart via React Context
• OTP authentication by role
• End-to-end order flow
• Intuitive admin panel
• User address management
• WhatsApp support
• Mobile-first design with smooth animations

Technical architecture

The solution was designed with a decoupled, scalable architecture following clean architecture principles and separation of concerns.

• Node.js backend with business logic and validations
• PostgreSQL + Railway for persistence and monitoring
• AWS S3 for images with presigned URLs
• Secure, scalable REST API
• Hybrid Next.js frontend with SSR and CSR
• Transactional emails with Brevo (OTP and notifications)
• Integrated logging and monitoring system

Technologies used

• Next.js 14 (App Router + SSR)
• Tailwind CSS (responsive styles)
• ShadCN UI + Framer Motion
• React Context (global state)
• Node.js (REST API)
• PostgreSQL (relational data)
• Railway (infrastructure)
• AWS S3 (images)
• Brevo (OTP emails)
• TypeScript (strict typing)
• Zod (validation)
• React Query (optimized fetch)

Key results

• 70% reduction in manual tasks
• Real-time management of stock and orders
• UX 100% optimized for mobile + desktop
• Robust OTP authentication via email
• Self-managed persistent cart
• Admin panel with real-time metrics
• Scalable infrastructure on Railway + AWS
• Automatic order state flow
• Bulk upload with variants and images
• Automatic transactional emails
• Post-sale support via WhatsApp
• Architecture ready to scale