I am a profeesional web developer.A web developer is a programmer who specializes in, or is specifically engaged in, the development of World Wide Web applications using a client–server model. ... A web content management system is often used to develop and maintain web applications.
HTML/XHTML, CSS, JavaScript and jQuery.
Server/client side architecture like all or some of the above mentioned.
Programming/Coding/Scripting in one of the many server-side languages or frameworks (e.g., Perl, Python, Ruby, PHP, Go, CFML - ColdFusion, Java, ASP, ASP.NET, Node.js)
Ability to utilize a database
Creating single page application with use of front-end tools such as EmberJS,[1] ReactJS[2] or AngularJS[3]