**Opportunity: Spring Backend Developer** **Location**: Hybrid onsite 1x per week in **Lisbon** or **Porto** We are looking for a **Backend Developer** with solid experience in **Java** and **Spring Framework**, to join a dynamic technical team focused on excellence. We are seeking someone with initiative, attention to detail, and a passion for solving complex problems in high-performance environments. ### **Main Responsibilities:** * Develop and maintain backend APIs and services using **Spring Boot**. * Ensure the quality, security, and scalability of developed solutions. * Participate in technical design and software architecture decisions. * Collaborate with front\-end, QA, and product teams. * Contribute to continuous improvement of development processes and best practices. ### **Requirements:** * Proven experience with **Java (5\+)** and **Spring Boot**. * Knowledge of design and consumption of **RESTful APIs**. * Experience with **relational databases** (PostgreSQL, MySQL). * Familiarity with version control tools (Git). * Teamwork skills and good communication. ### **Preferred Qualifications:** * Experience with automated testing (JUnit, Mockito). * Knowledge of **Docker**, **Kubernetes**, and DevOps practices. * Experience with **messaging systems** (Kafka, RabbitMQ). * Knowledge of security and authentication (OAuth2, JWT). ### **We Offer:** * Hybrid work model: onsite only **1x per week** in Lisbon or Porto. * Relaxed, collaborative environment focused on innovation. * Opportunities for professional growth through involvement in high-impact projects. * Continuous training and access to modern technologies. * Competitive benefits package.