Inventra — Inventory & Debt Tracking App

Problem Statement

Growing retailers get stuck in a gap: spreadsheets no longer scale, but enterprise ERPs are expensive, slow to implement and rarely tuned for local realities.

Solution

• •A Django microservice API with PostgreSQL data modelling and JWT authentication for inventory plus debt and redemption tracking.
• •A cross-platform React Native mobile app that puts both workflows in one smooth, intuitive experience.

Technologies Used

• •Mobile: React Native (Expo), TanStack Query, Axios
• •Backend: Django, Django REST Framework, Simple JWT
• •Database: PostgreSQL
• •API docs: drf-spectacular (Swagger / OpenAPI)

Key Features

• •Product, category and supplier management
• •Sales recording with automatic stock updates and profit calculation
• •Restocking with supplier tracking
• •Low-stock and out-of-stock alerts
• •Dashboard analytics for today, this week, this month and all time
• •Debt and redemption tracking