Do you want to join a large, growing team at a company that never stops expanding? If you meet the requirements below, apply now for our **Mid-Level Java Backend Developer** position—we’d love to meet you! **Responsibilities and duties** * Provide technical and functional support to team members, clarifying questions related to business and technology. * Collaborate proactively and communicate effectively to ensure seamless integration with the team. * Demonstrate initiative in resolving daily tasks and challenges. * Interact with the Architecture team to understand proposed technical and functional solutions. * Perform *System Design*, implement solutions, and develop APIs and microservices. **Requirements and qualifications** * Experience with **Java 8\+**, including in-depth knowledge of the **JVM**, *garbage collection*, *tuning*, and *profiling*. * Hands-on experience with **JUnit** and unit testing. * Proficiency with **Gradle**, **Git**, and **Docker**. * Experience with relational and non-relational databases, preferably **MongoDB**, **Postgres**, and **Oracle**. * Knowledge of messaging tools such as **Kafka** or **RabbitMQ**. * Experience with **continuous integration** and **continuous deployment pipelines** (CI/CD). * Practical experience with **Spring Boot** and **Spring Framework**. * Mastery of design patterns, **SOLID** principles, **Clean Code**, and architectures such as **hexagonal architecture**, **clean architecture**, or distributed services. * Experience developing and maintaining **REST APIs**, adhering to best practices in design, versioning, authentication, and resilience. * Familiarity with integrations with external systems via **FTP**, **SFTP**, **HTTP**, **SOAP**, and *legacy* solutions. **Preferred qualifications:** * Knowledge of **Kubernetes**. * Experience with observability and APM tools such as **Datadog**, **Grafana**, **Graylog**, or **Elasticsearch**. * Understanding of Java application security, including **OWASP**, injection prevention, use of *security headers*, robust authentication, **OAuth2**, and **Keycloak**. * Experience with *caching* mechanisms (e.g., **Redis**). * Experience with load, performance, and latency testing. **Additional information** * Work model: Hybrid (On-site\\Remote) * Willingness to work in **Eldorado do Sul/RS** * On-site cafeteria; * TotalPass (via cooperative); * Health & Dental Plan (via cooperative); * Chartered transportation; * Exclusive discounts at Panvel; Caring is at our core. For over 55 years, we have been building a story that places at its center what matters most: people. Whether through retail, distribution, or our products and services, we are committed to delivering health and well-being—always and in the best possible way—to our customers, employees, investors, and partners. We work daily to build a more balanced society and environment, always envisioning, above all, a better world. Our mission: To provide health and well-being for people. Our vision: To be the best in sustainable and innovative health and well-being products and services. Our values: Be ethical, Work as a team, Develop people, Deliver excellence in service, Be agile, and Commit to results. The Panvel Group comprises three businesses: **Panvel Pharmacies**, the largest pharmacy chain in southern Brazil, with over 600 stores selling medicines and hygiene and beauty products. We operate across multiple cities in Rio Grande do Sul, Santa Catarina, Paraná, and São Paulo. The **Distribution Center (DC)**, one of Brazil’s leading pharmaceutical distributors and the country’s pioneer in this segment. Our Distribution Centers are located in Eldorado do Sul/RS and São José dos Pinhais/PR. The **Lifar Pharmaceutical Industrial Laboratory**, a division focused on the development and manufacturing of cosmetics, medicines, and food products. In addition to producing items for major brands, Lifar also manufactures private-label products for Panvel.