[Jare]

1 - The fact that you were bored does not mean the place was boring. Your ability to make this distinction reflects A LOT on your ability to perform critical thinking and objective evaluations, both of which are part of most technical jobs.

2 - If you chose multiple jobs and were bored in all of them, the problem start to look like it's in you, not in the jobs. Therefore, it's a problem you will bring into your next job, and few companies want that.

When explain that I left my job at a bank after 3.5yrs to go back into videogames dev, nobody bats an eyelid if I say I was bored. Even so, I do not say it, because the important bit is where I wanted to go to, not where I wanted to get out of.