To clarify, you have completed the "Core Designer" certification and it is not showing up in your academy profile? Would you please try again selecting your user icon > Academy profile and see if the certification is listed as complete under "Registrations"? It should look like this:
Also, please try selecting the drop down Academy > Learning Paths and you should see this:
If not, please ensure that you're logged in as the correct user, log out and back in.