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Internal Demonstration Project

Status: Prototype

Inventory and Billing Platform

An operations platform combining product catalog, stock movements, purchase and sales orders, and invoice generation — designed for teams outgrowing spreadsheet-based inventory and billing.

Inventory and Billing Platform — interactive demonstration interface

Business problem

Manual stock tracking and invoice generation causing errors and delayed billing cycles.

Solution overview

An operations platform combining product catalog, stock movements, purchase and sales orders, and invoice generation — designed for teams outgrowing spreadsheet-based inventory and billing.

Core modules

Product catalog

SKUs, variants, units of measure, supplier links, and reorder thresholds in one structured catalog.

Stock ledger

Inbound/outbound movements, warehouse balances, and adjustment history with full audit trail.

Order management

Purchase orders to suppliers and sales orders to customers with status tracking.

Billing engine

Generate invoices from fulfilled orders, apply taxes, and export PDF summaries.

How the workflow runs

Illustrative end-to-end flow for this demonstration concept.

01

Receive stock

Purchase order received → stock levels updated automatically.

02

Sell

Sales order created → inventory reserved or deducted.

03

Invoice

Billing document generated from order line items.

04

Alert

Low-stock rules notify purchasing before items run out.

Suggested architecture

Layered structure aligned with the technology stack below.

Presentation
Angular admin portal Print-friendly invoices Mobile-friendly stock checks
Application
Spring Boot services Inventory transactions PDF generation
Data
MySQL Transactional stock ledger Document storage

Stack: Java, Spring Boot, Angular, MySQL

Expected business outcomes

  • Accurate stock visibility across products and locations
  • Fewer billing errors with order-linked invoices
  • Proactive low-stock alerts before fulfillment delays
  • Scalable base for multi-location expansion

This is an internal demonstration concept created by DTDESK to illustrate technical approach. It is not a completed client project.

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