Hi Sir/Madam,
I have been working on sharepoint for 7 years. I have experience sharepoint installation, configuration ,development and integration with 3rd party tools.
I have worked on sharepoint 2010/2013/2016/online versions I have completed many kind of project on sharepoint. I can give you the c# code for the site collection in 1 hours. But you need to determine the information that you want to get from site collection.
Please share me the details.