NAZMUL

E-Commerce POS

Retail POS & Inventory Management System

Completed
2024-2025
Backend
E-Commerce POS
008
Year

2024-2025

Duration

Ongoing

Team

3 engineers

Role

Backend Developer / Software Engineer

Integrated POS and inventory platform for modern retail and e-commerce businesses

Overview

E-Commerce POS is a business management platform designed to connect retail point-of-sale operations with inventory and accounting workflows. The system provides centralized product management, stock tracking, sales and purchase processing, customer and supplier management, and financial reporting, helping businesses manage their day-to-day operations from a single platform.

Key Achievements

Complete POS workflow for retail and e-commerce businesses

Product, category, and SKU management

Real-time inventory and stock movement tracking

Sales, purchase, and return management

Customer and supplier management

Integrated accounting and ledger workflows

Business and financial reporting

Technical Challenges
01
Inventory Synchronization

Stock levels need to remain accurate across sales, purchases, returns, and manual inventory operations.

SOLUTION →Implemented transaction-based inventory updates to maintain consistent stock levels across business operations.
02
POS Transaction Processing

POS transactions need to update inventory and financial records reliably without creating inconsistent states.

SOLUTION →Designed structured transaction workflows connecting sales with inventory and accounting operations.
03
Business Reporting

Business owners require clear visibility into sales, purchases, inventory, and financial performance.

SOLUTION →Built optimized reporting queries and dashboards covering operational and financial metrics.
metrics.json
SKU Based
Product Catalog
Real-time
Inventory
POS
Sales
Integrated
Accounting
Technology

Frontend

ReactAnt DesignPOS interface

Backend

Node.jsTypeScriptExpress REST APIs

Database

PostgreSQLPrismaRedis

Core Modules

Product & category managementInventory managementSales & purchasesCustomer & supplier managementAccounting & reports

Infra

DockerNginxCloud hostingCI/CD
Development Timeline

PHASE 01System Foundation

Project setupDatabase architectureAuthentication & roles