




Job Summary: We are seeking a backend developer with experience in Java 17+, Spring Boot 3+, microservices, and databases to design and implement software solutions. Key Highlights: 1. Co-create a better future with a team of over 30,000 brilliant minds. 2. A place where your ideas shine and innovation is valued. 3. Backend development using cutting-edge technologies and agile methodologies. Join Stefanini! At Stefanini, we are more than 30\.000 brilliant minds, connected from 41 countries, doing what we love and co\-creating a better future. **Responsibilities and Duties** Mandatory Requirements (Hard): * Experience with Java 8 or higher * Experience with at least one non-relational database (please specify the name) * Experience with microservices * Unit Tests / Integration Tests Mandatory Requirements (Soft): * Ability to ask for help at the right time (e.g., if blocked on a ticket, seek assistance) * Good interpersonal skills and willingness; positive attitude * Agile methodologies Desirable Requirements (Hard): * Experience with Docker * Familiarity with logging platforms (e.g., Kibana, Grafana, New Relic) * Background in the financial or banking sector Desirable Requirements (Soft): * Experience in large projects / large teams **Requirements and Qualifications** ń: Pachecho, Buenos Aires . : 1 day per week onsite, 4 days remote (until May; starting in May, 2 days per week onsite). ́ í, , ñ : * Design, develop, and implement software solutions based on Hexagonal Architecture (Ports \& Adapters). * Develop backend applications using Java 17\+ and Spring Boot 3\+. * Implement secure microservices with Spring Security and optimize with Spring Native ( * Design, implement, and consume REST APIs following best practices. * Manage MySQL (SQL) and MongoDB (NoSQL) databases. * Configure observability: log flows to OpenSearch and dashboards in Grafana. * Deploy and scale applications on GCP. * Collaborate on rearchitecting applications toward a new architecture. * Write clean and maintainable code, prioritizing unit and integration tests. * Participate in CI/CD processes and agile environments. * Leverage AI tools (Copilot, ChatGPT) to optimize development. ́ ( ): * More than 4 years of backend development experience. * Java 17\+: Deep expertise (Virtual Threads, Pattern Matching, Records). * Spring Boot 3\+: Experience in microservices and security. * Databases: Advanced MySQL and MongoDB. * Observability: OpenSearch and Grafana. * Cloud: AWS (EC2, S3, Lambda, RDS, EKS/ECS). * Knowledge of Angular and/or React for frontend support. * Experience in agile environments and sound engineering practices. , ́ ! Looking for a place where your ideas shine? With over 38 years of experience and a global presence, Stefanini transforms tomorrow — together. Here, every action matters and every idea can make a difference. Join a team that values innovation, respect, and commitment. If you are a disruptive individual, committed to continuous learning, and innovation is in your DNA, then we’re the right fit for you. Come and let’s build a better future — together!


