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Qardeal — Tech Deep Dive

Modern Car Rental Platform with Integrated Payments

Tech Stack

Next.jsReactNode.jsMongoDBVercel
Architecture: Serverless

Architecture

BrowserUser InterfaceNext.js / ReactSSR & Client ComponentsAPI RoutesREST EndpointsMongoDBDocument StorePayment GatewayTransactionsPaymentsXMLXML InvoicingCFDI GenerationInvoicesFull-stack e-commerce architecture with integrated payment and invoicing services

Data Flow

  1. 1

    User browses available vehicles via SSR-rendered catalog

  2. 2

    Booking form captures dates, insurance options, and user data

  3. 3

    Payment gateway processes transaction with fraud checks

  4. 4

    Booking confirmation triggers XML invoice generation

  5. 5

    Admin dashboard updates fleet availability in real-time

  6. 6

    Analytics pipeline aggregates revenue and conversion data

Code Patterns

SSR-Optimized Catalog

Vehicle listings are server-side rendered for SEO, with client-side filtering for instant search. Incremental Static Regeneration keeps availability data fresh without sacrificing performance.

Payment Pipeline

Multi-step payment flow with automatic retry, webhook confirmation, and rollback on failure. Supports multiple payment methods with a unified processing interface.

XML Invoice Engine

Automated generation of tax-compliant XML invoices following Mexican CFDI standards, triggered on booking confirmation with digital signature integration.

System Metrics

20+
Pages
15
API Routes
40+
Components
3
Payment Methods

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