In that case, these three people come to mind. https://onelonecoder.com/ https://onelonecoder.com/ https://handmadehero.org/ https://handmadehero.org/ The last

In that case, these three people come to mind. https://onelonecoder.com/ https://onelonecoder.com/ https://handmadehero.org/ https://handmadehero.org/ The last dude is TheCherno https://www.youtube.com/user/TheChernoProject/playlists?app=desktop https://www.youtube.com/user/TheChernoProject/playlists?app=... All three of these folks walk you through intermediate-level projects with commentary on their decisions. You should also look into conference talks on the tech stack you are interested in. Then look up the speaker/topic for more specific material.