Published a newsletter
Many software engineers focus on themselves to grow into Staff+ and manager roles. However, these roles require growing others around you. One of the ways to develop people around you is by hosting workshops—the secret weapon. It's also one of the closest experiences you can get into a leading role. 

I wrote about its importance and shared a few tips about hosting workshops in my latest newsletter, Mektup.

#23: The closest you can get into a leading role: hosting a workshop