Career Apr 13, 2026 12 min read
The Missing `await`
That Cost $340K
The invoicing system worked perfectly for eleven months. Then an engineer added five lines of code, one missing keyword, and $340K in revenue disappeared into the void between a function that was called and a promise that was never awaited.
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Career Apr 12, 2026
When Amazon Told Engineers to Use AI and AI Took the Site Down
On March 5, Amazon.com went dark for six hours. The post-mortem cited "Gen-AI assisted changes." The 80% usage mandate remains in place. Here's what every software engineer needs to learn from it.
8 min read →
Architecture Apr 14, 2026
The God Function: When One Method Does Everything
The function was 347 lines long. Fourteen engineers had modified it. None of them had rewritten it. The PR that finally broke it was six lines long.
14 min read →