Point of Sale (POS) System

Retail checkout user interface developed in Angular

AngularTypeScriptBootstrap 5

Executive Summary & Problem Statement

Built as a software engineering project, the POS System provides a responsive client interface built in Angular for scanning item barcodes, building customer sales carts, and calculating receipt totals. Note: This project focuses on client-side state management and currently operates without a database backend.

System Architecture & Engineering Approach

Designed for optimal type safety, modular maintainability, and client responsiveness. Utilizes clean code patterns, reactive state synchronization, and strict input validation.

Architectural Pillars:

Decoupled client state and modular components.
Pre-confirmation validation & error prevention routines.
Optimized rendering and mobile responsive interface design.

Key System Features Breakdown

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Point of Sale (POS) System

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Product item barcode checkout & cart calculator UI
Client-side item management and receipt total calculations
Daily sales summary interface

Challenges Encountered

• Building responsive reactive UI components in Angular for fast checkout without relying on a database backend.

Engineered Solutions

• Utilized Angular reactive state management and forms for instant cart calculations.

Interface Gallery

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home

System Interface Screen

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Admin

System Interface Screen

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Report

System Interface Screen

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Add or Edit

System Interface Screen

Technologies & Tools Used

AngularTypeScriptBootstrap 5

Future Roadmap

Planned Enhancements

• Automated end-to-end telemetry testing.
• Real-time WebSocket synchronization improvements.