This book is for those who have long been associated with software development. Or for those who are still thinking about choosing programming as their profession. Or for those who are just used to thinking and thinking about what is happening in the world of information technology. It is no secret that the bulk of the software industry is concentrated in the sector of so-called corporate development: from integrated enterprise information systems to individual applications. Therefore, a significant part of the stories concerns Enterprise Programming. From the text you are unlikely to learn how to properly glue multi-storey buildings from ready-made components in a heterogeneous environment, design interfaces, synchronize processes or write effective queries to databases. Such topics will only be the background for the story of the soft-building "kitchen" . With a certain amount of curiosity you will be able to verify, That the new is the well-forgotten old , know, How some complex systems are constructed , When to use different technologies , why computer scientists need to carefully filter information coming from many sources , And many other things.... What are you , Possibly , I don't know yet, or you already know. On the other hand, . In the book, I wanted to show our soft-building world of corporate information systems development not from the front facade of descriptions of software environments, approaches and technologies, but from the inside. As far as I can tell, I’m going to judge the reader....