The role of a software architect in technological projects involves designing the structure and high-level framework of software systems. Software architects are responsible for making critical decisions regarding technology stacks, development methodologies, and architectural models that will guide the entire project. They ensure that solutions meet both current and future requirements, considering aspects like scalability, performance, and security. By collaborating with developers, stakeholders, and business analysts, software architects play a pivotal role in aligning technical objectives with business goals, ultimately contributing to the project's success.