The process of web app development goes through several key stages:
Defining a roadmap of the web app’s purpose and the business needs of the client.
Defining the scope and functional specifications of the application; project management setup.
Selection of technologies, hardware, and software, together with a development methodology and third-party vendors.
Web application design, wireframing and layout.
Web app development and database structure.
Testing & QA.
Support & maintenance.