Everything I have written about Backend.
3 articles
Puzzles and take-homes now measure what AI does for free. A four-stage interview loop that tests judgment instead, with a scoring rubric, a flawed pull request with an answer key, and a debugging script.
10 units in stock, 100 buyers at the same moment. The usual "check, then save" code sold 100. Here is how a conditional UPDATE, row locks and stock reservations fix it, tested with real parallel requests.
AI can ship your code without teaching you anything. A 12-week roadmap for learning backend development with AI as a tutor, not a crutch, with prompts, projects, exercises and a self-assessment rubric.
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