50% off our AWS bill — What six months of studying our bill taught me

12 min readJul 13, 2022
Unnecessarily wastage in redundant content for AWS. Not anymore! — source: pixabay, author: Foto-Rabe

Hi there, I was the former Director of Engineering for a Singaporean startup, ZilLearn. And this was one of the most interesting engineering challenges that we faced in this last half-year, accumulating a ~50% in cost savings on our AWS bill.

To begin, it should go without saying that saving money is always a net positive.


Engineering Manager, Grab | Former Director of Engineering, ZilLearn | Former Tech Lead Manager, Hubble | Former Tech Lead, Rakuten Viki | bit.ly/weiyuan