Back-end Developer (JAVA)

At Zup, we believe the future is built by people who challenge the present. Our purpose is to create technologies that transform the market and elevate our customers' experience. We value the continuous growth of Zupers, encouraging everyone to pursue paths that drive their professional evolution. Through the Internal Selection Process (PSI), you can explore new technologies, projects, and career opportunities in a transparent, accessible process aligned with your goals. What you will do here: Develop and maintain backend applications using Java. Design and implement REST APIs and system integrations. Actively participate in architectural decisions and the definition of technical standards. Ensure code quality through automated testing and code reviews. Work on the design and evolution of event-driven architectures and microservices. Support multidisciplinary squads in solving complex software problems. Continuously monitor and optimize application performance. Work on the maintenance and creation of solutions in Cloud Native environments. What we expect you to know: Solid experience with Java 11+ development. Advanced knowledge of Spring Boot and the entire Spring ecosystem. Strong background in microservices architecture and RESTful API design. Hands-on experience in relational and NoSQL database modeling and usage. Knowledge and application of messaging (Kafka, RabbitMQ, or similar).