New Article on Medium: AWS Brain Teaser—Build CatGram

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New Article on Medium: AWS Brain Teaser—Build CatGram







We just published a new article on Medium about building AWS systems.

Instead of another "copy these commands" tutorial, we created an interactive brain teaser where YOU make the architectural decisions.

The premise: Build Instagram for cats (CatGram) by thinking through real problems:
  • User uploads a 4MB photo... where does it go?
  • Your system needs to create thumbnails... what triggers that?
  • Australian users want fast loading... how do you solve it?
Each step forces you to choose between AWS services, then reveals why your choice works (or doesn't). By the end, you've architected a complete, scalable application.

What makes it different:
  • No copy-paste coding
  • Decision-based learning
  • Real constraints (cost, scale, reliability)
  • Interactive format that actually teaches thinking
Read it on Medium

This is just the beginning. We're already working on the next brain teaser: building a real-time chat app. Same format, different challenges.

Want to see more interactive technical education? Let us know what systems you'd like to think through next.

* * *

Aaron Rose is a software engineer and technology writer.

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