InvGenie

What It Does

InvGenie is a production-ready, multi-tenant SaaS application that enables businesses to manage complete inventory operations — from product catalogs and stock tracking to sales/purchase orders and automated WhatsApp notifications. Built entirely from scratch by a single developer, it ships as a Progressive Web App (PWA) with push notifications, real-time dashboards, and an audit-grade stock movement trail.

Key Features

• Multi-tenant architecture — Complete data isolation per organization with 17 Prisma models
• Real-time stock tracking — Physical − reserved + incoming computed at query time
• Dynamic EAV attributes — Custom product metadata dimensions without schema changes
• WhatsApp notifications — Durable Inngest pipeline with automatic retry and failure recovery
• PWA with offline support — Firebase Cloud Messaging push, Serwist service workers
• Sentry monitoring — Full observability with error tracking and CI/CD on Vercel