Web development is a process of website or web application creation. The main process steps are web design, page layout, programming on the client's and server side and also web server configuration. Web development is represented by front-end and back-end. Front-end is responsible for work on the client's side, for correct web pages representation on different types of devices. Back-end is area functioning on the server side: calculations, work with database, interaction with other services. 

The term "Web developer" usually refers to the programmer who can operate on both sides. It is a universal programmer who can make a project from the ground up, understands databases, server configuration, security. Such programmer is called a Full-Stack Web Developer. And profile specialists are called Back-end Web Developer and Front-end Web Developer.

Whether you are constructing an enterprise web portal or a state-of-the-art website, you always need the right modern tools such as software development tools on a continuous basis. Well-built and maintained PHP frameworks provide those tools in abundance, allowing the developers to save time, re-use code, and streamline the back-end.