What concepts should a person know who will be applying for SDE 2 backend jobs?

I’m looking at a few bootcamps to improve my programming skills but am really confused on which is the right one for me. Any pointers that I can use to select the right one?

The concepts you need to know for SDE 2 backend jobs will vary depending on the specific position you are applying for. However, some general concepts you may need to know include:

-Databases (e.g., MySQL, MongoDB)
-Web development frameworks (e.g., Laravel, Ruby on Rails)
-Server administration (e.g., Apache, Nginx)
-Linux/Unix commands
-Network protocols (e.g., TCP/IP, HTTP)

When selecting a bootcamp, make sure to research the curriculum to ensure it covers the concepts you need to know for the specific position you are applying for.