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Tests can pass while production still breaks when the suite proves the intended path but misses retries, concurrency, dirty data, and rollout state.
Software-engineering
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Why some bugs appear only under production load: how concurrency, data shape, queues, retries, and partial failures change behavior in real systems.- Published on
A practical debugging workflow for turning vague failures into precise symptoms, testable hypotheses, useful evidence, and fixes that address the cause.- Published on
What clean code means in real projects: code that keeps business rules visible, lowers cognitive load, and makes the next change safer.- Published on
Common junior developer mistakes in real teams, with practical examples for task framing, debugging, code review, tests, and maintainable changes.