How I got promoted from junior to mid-level data engineer at Facebook/Meta in 9 months

Junior engineers often have dreams of extreme power. They dream of the days when they aren’t being told what to do anymore and they’re the ones rejecting pull requests and teaching the best practices.

Let’s just say, I was one of those engineers when I started my new role at Facebook back in August 2016. I had a vision of myself that I looked up to. A v…