A Backend Web Developer focuses on the server-side of web applications. This role involves working on the backend logic, databases, server, API (Application Programming Interface), and other backend processes that happen behind the scenes of a web application. Here are some key aspects and skills often associated with this role:

1. Programming Languages:
   1. Commonly used languages include Python, Java, PHP, Ruby, Node.js (JavaScript), and .NET (C#).
   2. Each language has its own set of frameworks that facilitate rapid and robust backend development.
2. Database Management:
   1. Knowledge of databases such as MySQL, PostgreSQL, MongoDB, and SQL Server.
   2. Ability to design, query, and manage databases.
3. Server Management:
   1. Understanding how to configure and manage a web server.
   2. Familiarity with server software like Apache, Nginx, and Microsoft IIS.
4. API Development:
   1. Creating and managing APIs which allow the front end of the application to communicate with the backend.