Business POS with Integrated Double-Entry Accounting System

I designed and developed a Point of Sale (POS) and finance system that automatically handles accounting in the background while users focus on sales and purchases. Whenever a sale, purchase, or return is made in the POS, the system generates the correct double-entry journal records automatically, keeping the accounts always up to date and audit-ready.

Business POS with Integrated Double-Entry Accounting System
LaravelNext.jsPostgreSQL

Built a scalable e-commerce backend with Laravel, supporting POS integration with real-time inventory sync. The platform maintains 98% on-hand accuracy through optimized database queries and Redis caching. Implemented JWT-based authentication, OpenAPI documentation, and rate limiting for secure API endpoints.

Features

  • •Real-time inventory synchronization
  • •Multi-vendor storefront management
  • •JWT-secured REST APIs with OpenAPI specs
  • •MySQL indexing and connection pooling optimization
  • •Redis caching for high-traffic endpoints
  • •Transaction logging and audit trails
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