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01. System Architecture

The system is designed using a multi-tenant SaaS architecture, allowing multiple businesses to manage their stores independently. The frontend interacts with backend APIs built in .NET Core to handle product management, billing, and user roles efficiently.

02. UI Logic Implementation

frontend.js

function addToCart() {

// Handles product addition and updates UI dynamically

updateCartUI();

calculateTotal();

}

Built responsive UI components using **HTML, CSS, Bootstrap**, and implemented dynamic functionality with **JavaScript**. Integrated frontend with backend APIs for real-time cart updates, billing calculations, and role-based dashboards.

Outcome

Successfully developed a clean and responsive POS interface, improving usability for billing operations and reducing manual effort for shop owners.

Key Learning

Gained strong experience in building dynamic UIs, API integration, and designing scalable frontend systems for real-world applications.