I took a very quick look and here are my initial thoughts - I tried to look at it like a busy hiring manager would and the first idea I have for you is to try and think of your portfolio document like a presentation, like a story you are telling about yourself. You've got 20 seconds to tell me your story and....GO! tough right?
Playing the role of a busy manager, there is no way I am going to read all that information at the top, instead I scanned through it visually searching for keywords, trying to get a general impression.
The second thought I had was - where is the information about the user research that was done? Research is so fundamental to explaining HOW you came up with the high fidelity design you showed...
Let me share with you a link to this article and video which explains it all SO much better than I can: https://uxdesign.cc/your-design-portfolio-is-in-a-pile-with-hundreds-of-other-ones-and-the-reviewer-is-in-a-hurry-4b707dbffd3b#.7jhw4w4du
There you can see what you are competing against. Now don't get scared by what you see! Everyone will understand that you are at the very start of your new career, you don't have a ton of experience to talk about yet and it's probably not expected that your portfolio is going to be as polished as the ones in this video BUT many are approaching that good. How can you stand out?