Job Summary: We are seeking a Senior Java Developer to evolve production backend services, tackle technical challenges, and continuously learn in a collaborative environment. Key Highlights: 1. Continuous professional growth toward more senior roles. 2. Working with modern and Enterprise architectures. 3. A work culture based on ownership, autonomy, and continuous improvement. We are looking for a **Senior Java Developer** to work on production backend services, where you’ll have the opportunity to grow, take on technical challenges, and continuously learn. At Interinnova, based in Argentina, we have been designing, building, and operating digital solutions for over a decade. We work as a team, without unnecessary bureaucracy; we get involved and continuously seek improvement in everything we do. **What do we expect from you?** You will be responsible for the development and evolution of production backend services. Additionally, you will participate in technical design, code reviews, and defining development standards. **Required Experience:** * \+4 years developing applications in **Java**. * \+2 years working with **Spring Boot**. * Proven experience in developing and integrating REST APIs. * Experience working with relational databases and ORMs (JPA/Hibernate). * Degree or advanced studies in Computer Science, Engineering, or related fields (graduated or advanced student), or equivalent experience. **Required Skills:** * **Language:** Java (8 or higher). * **Frameworks:** Spring Boot (API and microservices development). * **APIs:** design, development, and integration of RESTful APIs. * **Databases:** SQL (PostgreSQL, MySQL, MS SQL Server) \+ JPA/Hibernate. * **Version Control:** Git (GitHub, GitLab, or Bitbucket). * **CI/CD:** continuous integration and deployment (GitHub Actions, GitLab CI, or similar). * **Containers & Cloud:** Docker and experience working with cloud-based services. **Desirable Skills:** * **Frontend (plus):** React. * **Containers and orchestration:** Docker, Kubernetes. * **CI/CD:** Jenkins, GitLab CI. * **API Documentation:** Swagger / OpenAPI. * **Automated Testing:** JUnit, Mockito. * **Messaging:** Kafka, RabbitMQ. **Work Modality and Location:*** Hybrid modality with high flexibility and predominantly remote work (offices located in Distrito Tecnológico, CABA). * Residence in Argentina (preferably CABA, AMBA, or nearby areas). **Reasons to Join Our Team** * Formal employment contract. * Competitive compensation plus recurring and periodic salary adjustments. * Top-tier private health insurance coverage. * Work with modern and Enterprise architectures. * Continuous professional growth toward more senior roles. * A work culture based on ownership, autonomy, and continuous improvement—without bureaucracy. Our hiring process is simple and direct: We present the position and opportunities, evaluate your experience and motivation, and move forward quickly when there’s a strong match. Apply now and we’ll contact you. We’d love to meet you!