https://www.coursera.org/specializations/software-design-architecture

In the Software Design and Architecture Specialization, you will learn how to apply design principles, patterns, and architectures to create reusable and flexible software applications and systems. You will learn how to express and document the design and architecture of a software system using a visual notation.  Practical examples and opportunities to apply your knowledge will help you develop employable skills and relevant expertise in the software industry.