Don’t lead by example
The title is a little misleading, it’s not that you shouldn’t lead by example. It’s that you need to chill out, set expectations, and be a part of the team. This article is a good read based on an engineer’s experience as a tech lead at Dropbox.

Digging into Postgres’s Lesser Known Features
Depending on your use-case you may not need to add Redis or Elasticsearch to your application if you are already using Postgres. It’s not right for every application, but there are several features that you may not know about and may let you avoid expanding your stack for a long while.