If you haven’t come across it already, read this post, and when you are done, read it again a couple/few more times. 
Also, something that sticks out in your post is you say you have developed your skills using free plans. If you have never developed on a paid plan, you haven’t worked with features that you will definitely need to know if you want to get hired. Oh, and for your own good and the good of the entire Bubble community, please learn about privacy rules and use them to secure the data in every app you develop.