This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Arquiteto de Software, Senior based in Brazil. This role is an opportunity for a senior software architect to lead the technical evolution of a critical digital healthcare platform. You will drive architectural decisions for the modernization and modularization of a legacy prescription system, ensuring scalability, security, and regulatory compliance. The position combines strategic technical leadership with hands-on collaboration across engineering and business teams. You will contribute to the adoption of AI-supported development practices, helping shape a more efficient and innovative software delivery lifecycle. Working within an agile-at-scale environment, you will influence architecture standards, engineering quality, and long-term technology direction. This role is ideal for professionals passionate about solving complex challenges and building impactful digital solutions.