DevOps Engineer Intern at Swisscom

Designed and implemented a backend REST API with Spring Boot; CRUD operations for customer data; containerized services with Docker; deployed PostgreSQL in one container and Spring Boot in another; configured a GitLab CI/CD pipeline for automated testing and deployment; deployed to an AWS instance; built Kubernetes clusters across dev, test, stage and prod environments; set up Prometheus and Grafana dashboards for monitoring; ensured secure and efficient integration with billing data.