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Frontend
5 articles on frontend.
Coverage Is Not Confidence
A test suite's job is not to prove your code works. It is to give you permission to change it. Most suites are optimized for the first goal and quietly make the second one harder.
Money Is Not a Number
Every fintech frontend eventually renders a balance as if it were settled fact. It almost never is. The bugs that follow are not arithmetic bugs, they are modeling bugs wearing arithmetic as a disguise.
Performance is a Culture Problem
You can have the best performance tooling in the world and still ship a slow product. Fast teams do not have better tools. They have different defaults.
TypeScript Won't Save You From Your API
Your types at the API boundary are a description of last week's schema, not a guarantee about today's. Most teams have end-to-end type theater, and the gap only shows up at runtime.
The Shared Component Library Nobody Uses
Most shared component libraries are graveyards within 18 months. Not because engineers built them wrong, but because adoption was never the actual goal.