Backend Developer - Java / Spring Boot / Kafka

Accountabilities:: Develop, maintain, and enhance backend applications using Java and Spring Boot, ensuring code quality, reliability, and performance. Design, implement, and maintain REST APIs to enable seamless communication and integration between enterprise systems. Build and manage messaging solutions using Apache Kafka and IBM MQ to support asynchronous communication and event-driven processing. Contribute to the evolution and modernization of enterprise applications, improving scalability, maintainability, and system resilience. Work with microservices architectures to develop modular, efficient, and distributed backend solutions. Support application deployment and orchestration using Kubernetes and Helm, contributing to reliable and consistent delivery processes. Work with PostgreSQL databases to support data persistence, querying, and integration requirements. Use Git for version control and collaborate with development teams to maintain organized, efficient software development workflows. Participate in technical discussions and project meetings in English and Spanish, coordinating effectively with international teams. Identify technical issues, troubleshoot application behavior, and implement improvements to backend performance and integration reliability. Requirements: Proven professional experience in backend development using Java and Spring Boot. Practical experience with Apache Kafka and IBM MQ/MQ Series for messaging, asynchronous processing, and system integration. Experience working with PostgreSQL databases and relational data management. Hands-on experience with Kubernetes and Helm for application deployment, orchestration, and environment management. Strong understanding of REST API design, development, and integration principles. Familiarity with Git and collaborative software development practices. Knowledge of microservices architecture and event-driven design patterns, with the ability to develop scalable and maintainable enterprise applications. Professional conversational proficiency in both English and Spanish is mandatory, including the ability to independently lead and participate in meetings in either language. Strong analytical and problem-solving skills, attention to detail, and a commitment to producing reliable, maintainable code. Ability to collaborate effectively with cross-functional and international teams, communicate technical concepts clearly, and manage development priorities. Nice to have: Knowledge of JavaScript, jQuery, HTML, and CSS. Benefits: Location: São Paulo, Brazil. Professional development: Opportunity to work with modern backend technologies, distributed systems, and event-driven architectures. Technical challenges: Contribute to enterprise application modernization, system integration, and scalable software solutions. International collaboration: Use English and Spanish in a professional environment while working with diverse technical stakeholders. Technology exposure: Gain experience across Java, Spring Boot, Kafka, IBM MQ, PostgreSQL, Kubernetes, and Helm. Career growth: Strengthen expertise in backend engineering, microservices, and enterprise software development.