Hotel Reservation Management System
REST API and backend web application for full hotel and reservation management, with role-based auth and double-booking prevention.
Java 21Spring Boot 4.0Spring SecurityJPA/HibernateMySQLThymeleaf
Closed
Hi! I'm:
Hatim Debboun
Backend Developer · Java & Spring Boot
Backend developer passionate about building robust and scalable systems. I focus on event-driven architectures, security by design, and best testing practices to ensure high-quality code for production. Seeking my first full-time opportunity to continue growing and adding value.
> Projects
Real-Time Price Alerts System
Event-driven platform where users set price alerts and get instant push notifications via Kafka + WebSocket the moment a target price is hit, no polling.
Java 21Spring Boot 3.5Apache KafkaReactWebSocketSecurityJWTMySQLDocker
Closed
Real-Time Ordering and Inventory System
A microservices-based e-commerce platform where a user creates an order, the system asynchronously reserves stock, and notifies the user in real time whether the order is confirmed or rejected due to lack of stock.
Java 21Spring Boot 4.1Spring Cloud GatewayApache KafkaDockerRedisObservability
In development
> Skills
Backend
Java 21Spring BootREST APIsApache KafkaSpring SecurityWebSocket/STOMPPHP
Frontend
JavaScript ES6+ReactBootstrapThymeleafHTML5CSS3
Persistence
JPA/HibernateMySQLPostgreSQL
Testing & Quality
JUnit 5MockitoClean CodeSOLIDBean Validation
DevOps
DockerGitHub ActionsGitMavenNginx
> Contact
Let's talk
Open to backend/full stack opportunities. Based in Barcelona.
thos.debboun.hatim@gmail.com