Professional Software DevelopmentIt is a book about software engineering professionals and software techniques that support the production of economical, high-quality software. It provides a variety of starting points from the perspective of the person who starts software engineering and consists of philosophical essays on a variety of themes that give pride to software engineers. And all the data and statistics mentioned in the book show the current state of North America in software and play a role to reflect the situation in our country. It introduces the knowledge system, shows what the software engineering profession is doing, tells the developer the career path to be a true software developer, wonders how important it is, So that it can be increased directly.