1. The access collection black hole You need Figma access, Google Analytics, WordPress admin, GitHub, and the client's Slack. You ask. They forward a password email from two years ago. You ask again. Their developer says they'll get back to you. Three days pass. The fix: Send a single, complete access list on Day 1 — not "we'll need some access" but the exact list, with specifics for each tool,
At 3:17 AM on a Tuesday in Q3 2024, our production Kotlin 2.0 microservice fleet hit a 92% memory utilization threshold across 140 nodes, traced to a silent coroutine leak in Ktor 2.2’s request pipeline that had been bleeding 12MB of heap per second for 72 hours. We lost $14k in SLO credits before we found the root cause. A Couple Million Lines of Haskell: Production Engineering at Mercury (78 p