Job Summary: At Blue Technology, a Senior Fullstack Developer will create impactful solutions, participate in architectural decisions, and collaborate within agile squads. Key Highlights: 1. Create solutions that impact millions of people in Brazil and worldwide 2. Develop modern and scalable applications in Java + React 3. Collaborate in agile and multidisciplinary squads At **Blue Technology**, you don’t just develop systems—you create solutions that impact millions of people in Brazil and worldwide. We are seeking a Senior Fullstack Developer with expertise in Java (Spring Boot) and React, who is passionate about clean architecture, performance, and scalability. Here, you’ll join a robust software factory delivering solutions to major public and private sector enterprises, with projects spanning artificial intelligence, IoT, cloud, and automation. Your Responsibilities: * Develop modern and scalable applications in Java \+ React * Participate in architectural decisions and best practices * Collaborate in agile and multidisciplinary squads * Contribute solutions that deliver real value to clients What We Expect From You: * Solid experience with Java (Spring Boot) and React * Knowledge of relational and non-relational databases * Best practices in version control (Git), testing, and continuous integration * Collaborative, analytical mindset focused on delivering value * Preferred: Experience with microservices, Docker, and CI/CD What We Offer: * Involvement in nationally impactful projects * A collaborative environment with a strong culture of continuous learning * Technical training and certification incentives * Internal talent development program * Benefits including Gympass, online therapy, access to courses, and more At Blue, technology and purpose go hand in hand. If you seek real challenges, growth, and a team passionate about what they do, this is your place.