In my PwC days, I worked in application maintenance teams. The supported solution included various components: mobile application, mobile application backend, portal, back office portal (with scheduling module), prediction/scheduling/reservation engines, Click Dimension, SharePoint. The solutions were hosted on Azure Cloud platform and based on Microsoft Dynamics 365.

Modifications included c#, java script, type script, SQL and xslt code. Software used included Visual Studio, Visual Studio Code, SQL Server Management Studio, Azure Data Studio, Postman, Power Apps and Chrome browser extensions to facilitate Microsoft Dynamics 365 modifications.