Tag: Technically

The bathroom scale and the myth of scalability: Why most systems fail at rush hour—not at rest
quick read

The bathroom scale and the myth of scalability: Why most systems fail at rush hour—not at rest

Most systems don’t break because of a missing feature. They break because they weren’t designed to survive growth, chaos, or time—mainly chaos. That’s the first thing Designing Data-Intensive Applications wants you to understand. Chapter 1 isn’t abou...

Carl EubanksCarl Eubanks
Mastering clarity and ambiguity: A software engineer's guide to effective communication
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Mastering clarity and ambiguity: A software engineer's guide to effective communication

Effective software engineering communication doesn’t merely form. It inspires. Communication among software engineers isn’t just about exchanging information. It isn’t just about two or more people talking to each other either. It’s about empowering ...

Carl EubanksCarl Eubanks
Exploring micro-frontends: why, when & how (and why I'm doing it anyway)
quick read

Exploring micro-frontends: why, when & how (and why I'm doing it anyway)

“A path is whatever you make of it—as long as it gets you where you want to go.” — Carl Eubanks, 2025 Step back and see the big picture I always start with why. Call it a ritual: three deep breaths, zoom the camera out, and ask whether the work in ...

Carl EubanksCarl Eubanks
Building a notification orchestrator: a decision log
quick read

Building a notification orchestrator: a decision log

This isn’t a copy‑paste tutorial. It’s a behind‑the‑scenes look at why I chose a specific shape—hexagonal micro‑orchestrator on SNS → SQS—for a cross‑channel notification pipeline, and the trade‑offs I wrestled with along the way. Problem Statement ...

Carl EubanksCarl Eubanks
The pigeon coop & the back room: A wiseguy's guide to not screwing up the message
long read

The pigeon coop & the back room: A wiseguy's guide to not screwing up the message

I like to write stories to better explain problems I have or concepts I want to share. I still want the message to be clear, concise, and easy to digest, so I’ll give you a glossary to refer back to when reading the story if it it doesn’t click the f...

Carl EubanksCarl Eubanks
Design bit.ly
quick read

Design bit.ly

For each portion, I’ll regurgitate the feedback I received. Each system design interview is different, so it’s interesting to see how hellointerview has tailored their AI feedback system. Requirements Functional requirements Users should be able to ...

Carl EubanksCarl Eubanks
Caching: The bikini bottom marathon
long read

Caching: The bikini bottom marathon

What is caching? Caching is the practice of storing something in a location from which it can be quickly retrieved, thereby speeding up future accesses. It's not always permanent--it's more of a short-term memory for whatever you might need really so...

Carl EubanksCarl Eubanks