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Service Booking System
A comprehensive full-stack application that revolutionizes appointment booking for service providers including salons, dental clinics, beauty parlors, and spas. The platform features robust user authentication with role-based access control (customers, service providers, and admins), intuitive service browsing with advanced filtering and category management, comprehensive booking management with staff-based scheduling and calendar integration, real-time availability checking, and detailed API documentation with Swagger. Built with modern web technologies including Next.js 15, React 19, TypeScript, MongoDB, and Express.js, designed for scalability and exceptional user experience.
Full-Stack Developer
1 person team
Project Screenshots
Key Features
Multi-role authentication system (customers, service providers, admins)
Staff-based booking system with individual availability management
Real-time availability checking and conflict prevention
Advanced service search and filtering with category management
Comprehensive booking calendar with 30-day booking window
Email notifications for booking confirmations and updates
Admin dashboard with system-wide analytics and management
Business dashboard for service and staff management
Customer dashboard with booking history and management
Responsive design optimized for all devices
Comprehensive API documentation with Swagger UI
Database transaction support for data consistency
Staff availability scheduling with break time management
Booking status management (pending, confirmed, cancelled, completed)
Payment integration ready with Stripe support
Technologies Used
Next.js 15React 19TypeScriptTailwind CSSNode.jsExpress.jsMongoDBMongooseJWTSwaggerZustandReact Hook FormTanStack QueryShadcn/uiRadix UI
Development Process
Challenges
Implementing complex staff-based booking logic with individual availability schedules
Handling concurrent booking requests and preventing double-bookings
Creating an intuitive calendar interface for mobile devices with touch-friendly interactions
Managing different staff schedules, break times, and booking capacity limits
Optimizing database queries for large datasets with proper indexing
Implementing real-time availability checking without performance degradation
Building a scalable admin system for managing multiple businesses and users
Creating a flexible service category system with subcategories and filtering
Solutions
Used MongoDB transactions and optimistic locking to ensure data consistency during concurrent bookings
Implemented staff-specific conflict detection algorithms with break time overlap prevention
Created custom calendar components with touch-friendly date/time selection using React Day Picker
Built comprehensive staff availability management with day-specific schedules and booking limits
Added strategic database indexing and query optimization for performance
Implemented efficient time slot generation based on staff working hours and service duration
Developed a modular admin infrastructure with role-based access control and comprehensive analytics
Created a hierarchical service category system with recursive subcategory support and advanced filtering
Key Learnings
Advanced state management with Zustand and React Query for server state synchronization
Database design patterns for complex booking systems with staff management
Real-time data synchronization techniques using optimistic updates
Performance optimization strategies for large-scale applications with MongoDB
API design best practices with comprehensive documentation using Swagger
Role-based access control implementation with JWT authentication
Complex form handling with React Hook Form and Zod validation
Modern React patterns including Server Components and App Router in Next.js 15
Staff scheduling algorithms and availability conflict resolution
Comprehensive error handling and user experience optimization
Project Information
Role
Full-Stack Developer
Team Size
1 person
Category
web app