If you are looking for written summaries or "draft" versions of these fundamentals, you can access these community links: :

You have two options today:

Before writing code, you must understand how systems talk to each other.

Backend engineering, also known as server-side development, refers to the process of designing, building, and maintaining the server-side components of a software application. This includes:

Key technical fundamentals covered in these materials include: Communication Protocols: