Summary: Join Siemens as a Full Stack Developer, contributing to innovative smart infrastructure solutions by developing and maintaining robust backend and user-friendly frontend applications. Highlights: 1. Shape the world with technology solutions at a global impact company 2. Develop and maintain robust Java backend and Angular frontend applications 3. Contribute to continuous improvement and technical innovation initiatives **Create a better \#TomorrowWithUs** At Siemens, we build technology solutions to shape the world we live in. We transform industries and societies by combining the real and digital worlds. With over 300\.000 of the world’s most forward\-thinking minds and the power of a presence in more than 190 countries, we make a truly global impact. **Siemens Smart Infrastructur**e relies on the combination of smart grids and smart buildings by combining physical solutions and digitalization in all areas of electrification and automation. Ingeniously it connects energy systems, buildings, and industries to improve the way we live and work through greater efficiency and sustainability. Siemens SI has its global headquarters in Switzerland with about 7,400 colleagues who are responsible for the solutions and services business. This makes Siemens SI the market leader in Europe. **Are you ready to be part of the change? Come join us!** **Your mission will be…** * Demonstrate strong proficiency and comprehensive knowledge of Java for backend development, with a deep understanding of core concepts; * Develop and maintain Angular\-based frontend applications, implementing responsive, scalable, and user\-friendly UI components; * Engage in regular code reviews, ensuring high code quality and promoting best practices across the full development stack; * Coordinate and collaborate closely with other developers to maintain a cohesive and efficient development process; * Design, develop, and maintain backend services and frontend solutions that align with architectural and business requirements; * Implement secure and efficient REST APIs, ensuring high performance and reliability; * Collaborate with cross\-functional teams to support full solution development, integration, and deployment; * Troubleshoot and resolve complex technical issues across backend and frontend layers; * Contribute to the continuous improvement of system architecture, performance, and development standards; * Develop and maintain clear and comprehensive technical documentation; * Participate in system improvements, codebase optimization, and technical innovation initiatives. **We are looking for someone with…*** BS or MS in Computer Science, Software Engineering, or related technical field, or equivalent practical experience; * 5\+ years of backend development experience using Java, including strong knowledge of core components and system\-level interactions; * Hands\-on experience with Angular for building modern web applications; * Experience working with REST APIs and web services; * Understanding of security principles and best practices in backend and frontend development; * Strong problem\-solving and analytical skills; * Excellent communication and teamwork abilities; * Solid understanding of CI/CD pipelines and DevOps practices, such as automated builds, testing, and deployment; * Experience with tools like Git, Docker, and other DevOps\-related technologies is a plus. * Portuguese native speaking and good English skills (written and spoken) **What We Offer:****Belong \& Innovate:** Work in diverse teams where every idea matters and innovation grows through collaboration and trust.**Flexibility that Works:** Hybrid model, flexible hours, and a home office budget — because balance fuels performance.**Health \& Well\-being:** Comprehensive health insurance, mental health support, and active sports communities to keep you feeling your best.**Grow Without Limits:** Access world\-class learning platforms, mentoring, and continuous development opportunities.**Purpose \& Perks:** Contribute to sustainability and volunteer initiatives and enjoy partner discounts. Please attach your CV in English to your application. **\#Siemens** *Siemens is deeply committed to fostering a diverse and inclusive environment. We are proud to be an equal opportunity employer and strongly encourage applications from a wide array of talented individuals!*