Back-end developers are usually responsible for writing the web services and APIs used by front-end developers and mobile application developers. A back-end web developer is responsible for server-side web application logic as well as the integration of the front-end part.
.NET, .NET core, ASP.NET, MVC, EF, LINQ, C#, SQL Server, jQuery, HTML5, JavaScript, t-SQL, Oracle SQL, Oracle PLSQL,
Dapper ORM, jQuery, ASP.NET Web APIs, IIS Configuration, Git, TFS, Slack, Jira, TOAD, Fiddler, Trello, Onion Architecture.