Connection Pooling and Why It Matters
Most of the worst production incidents I have managed in fintech did not start with a dramatic failure. They started quietly, with a service that was perfectly...
12 min926Read →
Tagged #scaling
6 articles tagged #scaling.
Building a Notification Service That Scales
Notifications look like a small feature until you operate one at scale. Then you discover that the humble "we just send the customer an email" requirement is...
12 min781Read →
Understanding Eventual Consistency
Every engineer who has built a payments platform eventually runs into the same uncomfortable truth: the moment your system spans more than one database, one...
11 min476Read →
Caching Strategies Every Backend Engineer Should Know
Caching is one of those topics that sounds simple until you ship it. Add a cache, serve a few requests from memory, watch your latency graph drop, and call it...
10 min925Read →
When to Use a Message Queue, and When Not To
Few pieces of infrastructure get reached for as reflexively as the message queue. Somewhere in the lifecycle of every growing system, an engineer looks at a...
12 min1001Read →
Scaling an Engineering Team from 5 to 50 Without Losing the Plot
The hardest growth I have ever managed was not technical. It was watching a five-person team, where everyone knew everything and decisions happened over a...
5 min760Read →