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A take-home used to measure whether someone could code. In 2026, the raw output measures who used their AI tools best. The signal is still there, but it moved. Here is where it went and how to actually read it.

Your LLM feature works. The demo landed. Then it hits security review and stalls for a quarter, because nobody mapped where the data goes. Here are the questions they will ask, and how to answer each with architecture instead of a promise.

In a regulated or air-gapped deployment your CI/CD pipeline stops at the customer's firewall. Here is how you actually get a signed, verifiable update to a box you cannot reach, and keep it patchable for years.

Your best senior engineers are often the ones who quietly resent the weekly 1:1. Here is how to make that meeting worth their time instead of a status update they could have skipped.

Most feedback changes nothing because it is vague, late, or aimed at the person instead of the behavior. Here is what actually moves someone, drawn from years of getting it wrong first.