Sorry, but it is IMPOSSIBLE to learn the CS fundamentals in 9 months. Period. What you may be able to do is to teach people how to game interviews within 9 months, sure. Good luck once that performance review comes around...
How many jobs require a knowledge of “CS fundamentals”. The typical development job are basically the “dark matter developers” writing yet another software as a service CRUD app or bespoke internal app that will never see the light of day outside of the company.