I also started on a very small company. Worked there as Junior developer for about 3 years. I was on the same spot as you are right now. One day, I received a call from a friend who started working on a bigger company in a different state (I live in Brazil), saying they were hiring. I figured I could at least try their technical tests to see where should I improve.
So I applied for the junior position. They thought my test solution was good, so I got to the interview phase. To my surprise, the interview was not for the junior position, but for the medior one (don't know the correct term, but higher than junior but lower than senior), and receive the job proposal on the next week.
I agree with @[email protected]'s comment: "you need exposure to other environments, other ideas, other technologies and frameworks in order to grow". And it goes both ways. Without testing yourself, you'll never know how much you did grow and where you are.
So, my advice to you is: do not wait until you feel "ready" to do the move. It may "click" too late. If you want to move on, just do it. At least you will test yourself, and know how to correct your course, if you need to aim higher ou lower than originally intended.
A few things I really liked about this episode:
First, is good to see Lemmy being mentioned before Mastodon when the theme is Fediverse. Everybody here knows the "Fediverse is not only Mastodon", but it is very very good for it to be mentioned outside of our "bubble".
Also, Jakob is the second LMG crew member I have confirmed to be in the Fediverse, Emily Young being the first one ( @[email protected] go follow her). But Emily always was the "weird person that uses Linux" in the videos, so it was not a surprise for me she was using "alternative social media". Jakob was a surprise for me. Is he a weird and funny person? He is! But I didn't get the "Fediverse vibe" from him. Which is good. Very good.
Again, is good to see the Fediverse start to show in (a little) more mainstream media. In such positive way.
Jakob, I have a feeling you're reading this comments. I love your work, good to see you here. Hope you bring more people to the Fediverse. Keep being you.