Writing on engineering, AI systems, product, and the loop between code and people.https://www.guillermocasanova.cl/https://www.guillermocasanova.cl/thoughts/coding-challenges-are-a-waste-of-time/https://www.guillermocasanova.cl/thoughts/coding-challenges-are-a-waste-of-time/After hundreds of technical interviews, I don't think live coding ever measured the right thing. Now that AI is part of the job, it makes even less sense.Thu, 28 May 2026 00:00:00 GMT