Production · Business SystemBusiness Critical

Sales & Inventory Management

Commercial Flow with Integrated Credit & Expiration Tracking

Role & ScopeSenior Software Engineer & Architecture
DomainBusiness Critical
StatusProduction · Business System
Core StackReact · JavaScript · Node.js

The Challenge / Problem

Small and medium enterprises suffer revenue leakage and inventory loss due to untracked batch expirations, lack of credit line control, and uncoordinated cash registers.

Architecture & Design

React client with optimized state management for rapid Point of Sale operations. Node.js backend executing transactional stock deductions within ACID database boundaries.

Engineered Solution

Created an integrated commercial system linking physical inventory, expiration monitoring, fast invoicing, and customer credit ledger tracking in a single coherent flow.

Key Capabilities

Inventory Management with Expiration Alerts
Cashier POS Register & Receipt Printing
Customer Account Ledgers & Credit Limits
Installment Payments & Balance Deductions
Automated Profit & Loss Analytics

Engineering Challenges

Challenge 1: Real-time FIFO batch expiration tracking preventing revenue loss on expiring inventory.
Challenge 2: Dynamic customer credit balance reconciliation with automatic credit-line locks upon overdue debt.
Challenge 3: Instant barcode scanner integration in web UI without input lag.

My Role & Contribution

End-to-end development: built the complete UI, implemented transactional customer credit ledgers in Node.js, and formulated FIFO batch expiration deduction algorithms in SQL Server.

Technologies

ReactJavaScriptNode.jsExpressSQL ServerCSS ModulesREST API

Looking for a Senior Software Engineer with real systems experience?

I bring depth across modern React/Next.js architectures, Node.js backend services, data modeling, and resilient software systems. Let's discuss how I can contribute to your team.

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