👋 Hi, I'm Alberto

🚀 Java Backend Developer | Spring Boot | Microservices | Cloud

Backend developer focused on building scalable, secure and maintainable systems using Java and modern cloud-native architectures.

I specialize in:

• ⚙️ Java & Spring Boot
• 🧩 REST APIs & Microservices
• 🐳 Docker & Containerization
• ☁️ AWS
• 🛢️ PostgreSQL / MySQL
• 🔐 Security (JWT, OAuth2, Spring Security)
• 🧪 Testing (JUnit, Mockito, Integration Testing)

💡 What I enjoy building

• High-performance REST APIs
• Event-driven systems
• Scalable microservice architectures
• Clean Architecture / Hexagonal Architecture
• Backend systems ready for production

🏆 Featured Projects

🔹 E-commerce Microservice Architecture Spring Boot + Docker + PostgreSQL + JWT → Secure authentication → Order & inventory management → Dockerized environment

🔹 Task Management API (Production-ready) REST API with authentication, validation & testing → 80%+ test coverage → CI/CD pipeline

🔹 Event-Driven Notification Service Kafka-based async messaging → Email & push notifications → Retry & fault tolerance

📫 Let's connect

Connect with me:

Email: ingcastro214@gmail.com

Languages and Tools:

Open to collaboration & freelance projects

⚡ Fun fact

I build backend systems by day and explore tech & gaming by night.