Mid-Level Java Backend Developer

Description

Job Summary: Join a team seeking a proactive Mid-Level Java Backend Developer to provide technical support, develop APIs and microservices, and perform System Design—ensuring integration and collaboration. Key Highlights: 1. Collaborate and communicate effectively with the team. 2. Demonstrate proactivity in addressing requirements and challenges. 3. Perform System Design and implement solutions. Do you want to join a 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 business- and technology-related questions. * Collaborate and communicate effectively to ensure seamless team integration. * Demonstrate proactivity in resolving day-to-day requirements and challenges. * Engage with the Architecture team to understand proposed technical and functional solutions. * Perform *System Design*, solution implementation, API development, and microservices development. **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 in **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). * Hands-on experience with **Spring Boot** and **Spring Framework**. * Mastery of design patterns, **SOLID** principles, **Clean Code**, and architectures such as **hexagonal**, **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. **Nice-to-Haves:** * 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, 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 built a story centered on 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 to people. Our vision: To be the best in sustainable and innovative health and well-being products and services. Our values: Be ethical, Work collaboratively, 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. Our **Distribution Centers (DCs)**, among Brazil’s leading pharmaceutical distributors and the country’s first in this segment. Our Distribution Centers are located in Eldorado do Sul/RS and São José dos Pinhais/PR. The **Lifar Industrial Pharmaceutical Laboratory**, a division focused on developing and manufacturing cosmetics, medicines, and food products. In addition to producing items for major brands, Lifar also manufactures private-label products for Panvel.