I would suggest looking up GDC talks on YouTube, specifically, "killer portfolio or portfolio killer" talks. They can be a very helpful listen for you.
Hullo, thought I'd offer my quick opinion for what it is worth. I agree with the others about your textures - I think in some cases they seem a bit plastic, and it would be good for you to work on making them feel a bit more rough and like you want to touch them almost. This doesn't mean just drawing blood in somewhere -…