Smart Serve Backend
Restaurant Management System Backend
Comprehensive restaurant management system with Spring Boot and Java 21.
Project Overview
I developed a comprehensive restaurant management system using Spring Boot 3 and Java 21. This system provides a complete point-of-sale (POS) solution with integrated inventory management, real-time kitchen operations, financial reporting, and staff performance analytics. The backend handles everything from order management and cash register operations to inventory control and business intelligence, all with real-time WebSocket integration for live updates across the restaurant operations.
Main Features
Complete POS system with table assignment and order tracking
Real-time kitchen operations with WebSocket integration
Advanced inventory system with recipe-based stock management
Cash register management with session control and audit trail
Business intelligence with sales analytics and performance metrics
Role-based access control with JWT authentication
Multi-language support (English/Spanish)
Real-time dashboard with cached data and live updates
Automatic inventory deduction based on recipes
Financial reporting with payment method analysis
Staff performance tracking and efficiency metrics
REST API documentation with Swagger UI
Technical Challenges
Challenge 1
Design a scalable architecture handling real-time operations across multiple restaurant roles simultaneously
Solution:
Implemented event-driven architecture with WebSocket integration and role-based access control, ensuring real-time updates without compromising security
Challenge 2
Implement complex inventory management with recipe-based automatic deductions and unit conversions
Solution:
Developed sophisticated inventory system with JPA specifications for complex filtering, automatic stock calculations based on recipes, and real-time dashboard caching
Challenge 3
Create real-time kitchen operations with WebSocket integration while maintaining data consistency
Solution:
Created comprehensive kitchen workflow with STOMP protocol for real-time communication, state management for order progression, and automatic inventory updates
Technologies Used
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