Senior Backend Engineer from Barcelona, Spain
📧 sergi13456@hotmail.es | 📱 +34 610 343 493
🔗 LinkedIn
I'm a passionate Backend Engineer with experience building scalable microservices in cloud-native environments. I specialize in Kotlin, Java, and Go, and I’ve worked on critical systems in observability, e-commerce, and financial domains. My work is focused on writing clean, testable code and delivering resilient backend architectures.
Design patterns and best practices that I've used.
- Domain-Driven Design (DDD)
- Hexagonal Architecture
- Clean Code Principles
- SOLID
- Event-Driven Architecture
- CI/CD Pipelines
- Languages: Kotlin, Java, Go, Python
- Frameworks: Spring Boot, Ktor, FastAPI
- Databases: PostgreSQL & MongoDB
- Cloud & Tools: AWS, Kubernetes, Kafka, RabbitMQ, Git, CI/CD
- Testing: JUnit, Unit & Integration Testing, Load/Stress Testing
- Email: sergi13456@hotmail.es
- LinkedIn: linkedin.com/in/sergi-aguilar-ruiz