MDOTM is seeking a Java Software Engineer to join our Engineering team. You will be instrumental in building and optimizing our high-performance Spring Boot backend, ensuring scalability, reliability, and security.Your Responsibilities- Develop, maintain, and optimize scalable Spring Boot applications- Implement clean, modular, and testable Java code- Design and optimize relational (MySQL) and NoSQL (MongoDB) databases- Implement and follow best practices in software architecture, leveraging Layered Architecture, DDD, or Event-Driven Design- Troubleshoot and optimize backend performance and security- Work with DevOps teams to improve CI/CD automation and deployment processesMust-Have Skills- Strong experience in Java & Spring Boot (microservices, REST APIs)- Proficiency with SQL & NoSQL databases- Experience with software architecture patterns (Layered Architecture, DDD, Event-Driven Design)- Experience with TDD and testing best practices in Spring Boot (JUnit, Mockito, Testcontainers)- Experience with messaging systems (ActiveMQ, Kafka)- Good knowledge of English (both written and spoken)- Excellent communication skills, with the ability to explain complex problems and solutions to different stakeholders.Nice-to-Have Skills- Experience with modern API communication (GRPC, GraphQL, REST)- Hands-on experience with CI/CD tools (GitLab Pipelines, GitHub Actions, Jenkins)- Experience with AWS, especially EC2, S3- Hands-on experience with Docker & Kubernetes for containerized application deployment and management- Security best practices for backend applications (knowledge of ISO 27001:2022 Annex A 8.28 is a plus)Why Join Us?- Work on cutting-edge Java applications with a team operating at the forefront of AI & tech innovation- Drive technical decisions and mentor junior engineers- Competitive salary & truly flexible work environment- Unlimited learning & development budget- Collaborate daily with an ultra-international team (18+ nationalities) spread across our offices in Milan, London and New York- Annual company retreat at a stunning location- Fast-track career progression, with opportunities to grow into leadership roles