Writing

Why care about building at all

Code is temporary. The trust people put in what you shipped is not.

The questions that made me less junior

I stopped asking only 'does it work?' and started asking what happens twice, late, and when it fails halfway.

Calm is a production skill

Heroics feel like leadership in the moment. They usually make the next incident worse.

When retries become the outage

One slow shard did not take us down. Our retries did.

You can't operate what you can't count

The message counts did not add up. That was the outage. We just could not see it yet.