If you are the smartest guy in the room, you are in the wrong room. Interview and get a job elsewhere. While you may not easily find an ideal direct mentor even

If you are the smartest guy in the room, you are in the wrong room. Interview and get a job elsewhere. While you may not easily find an ideal direct mentor even in a company with great senior+ engineers, you will get experience through osmosis. Staying where you are would be a mistake. I almost did that, and in retrospect it definitely would have been.