This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for an Analista de Sistemas Sr (Desenvolvedor Java) based in Brazil. As a Senior Systems Analyst (Java Developer), you will design, develop, and modernize enterprise applications and APIs that support academic, scientific, and research communities. You will play a key technical role in shaping software architecture, ensuring high standards of security, performance, scalability, and code quality. Working primarily with Java, Spring, and modern web technologies, you will contribute to system integration, legacy modernization, and continuous improvement across the software development lifecycle. You will collaborate with cross-functional teams, mentor developers, and help establish engineering best practices that drive reliable, maintainable solutions. The role also encourages the responsible use of artificial intelligence to accelerate development, improve testing, and streamline technical documentation. This is an opportunity to apply your technical expertise to meaningful digital infrastructure projects in a collaborative, remote-first environment that supports education, research, and innovation across Brazil.