Absolutely want to deep dive into a distributed system. So far had plenty of experience with micro-services, designing systems (which gives decent throughput on a t2.small instance), but never got an opportunity to shard a database.
I have worked mostly on Node.js. Working on Springboot for the past year and a half. Understand the language of a scalable system, microservices.
DevOps interest me, handy with AWS.
Well versed with Frontend (not CSS though)
Currently Hacking On
If (as Backend developer) you work with multiple orgs (or Freelance), managing SSH keys is a nightmare, I use this - https://github.com/envolt/ssh-manager/