Senior JAVA Developer

Description

Job Summary: We are seeking a backend developer to design, implement, and scale software solutions using Java, Spring Boot, and microservices in an agile environment. Key Highlights: 1. Co-creating a better future with a global team. 2. A team that values innovation, respect, and commitment. 3. Participating in CI/CD processes and agile environments. Join Stefanini! At Stefanini, we are over 30,000 geniuses 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 1 non-relational database (please specify the name) * Experience with microservices * Unit Testing / Integration Testing Mandatory Requirements (Soft): * Ability to ask for help at the right time (e.g., if stuck 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 financial or banking domain Desirable Requirements (Soft): * Experience in large projects / large teams **Requirements and Qualifications** Location: Pachecho, Buenos Aires. Work arrangement: 1 day per week in-office, 4 days remote (until May; starting in May, 2 days per week in-office). Responsibilities: * Design, develop, and implement software solutions following 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 implementing applications refactored 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. Qualifications: * 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. Ready to join us? Are you looking for a place where your ideas shine? With over 38 years of experience and a global presence, at Stefanini we transform 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 exactly what you’re looking for. Come and let’s build a better future—together!