Engineering Career Levels
https://progression.fyi/ (opens in a new tab)
https://www.engineeringladders.com/ (opens in a new tab)
Career Matrix
https://career-ladders.dev/engineering (opens in a new tab)
https://mui-org.notion.site/Levelling-at-MUI-5c30f9bfe65149d697f346447cef9db1 (opens in a new tab)
https://dropbox.github.io/dbx-career-framework/overview.html (opens in a new tab)