Blog for Engineering Managers

Blog for Engineering Managers

#11 | Sunday reads for EMs

My favourite reads of the week to make your Sunday a little more inspiring.

Stephane Moreau's avatar
Stephane Moreau
Aug 24, 2025
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👋 Hey, it’s Stephane. This is a new series in which every Sunday I share with you my favourite reads of the week. To accelerate your growth see: 50 Notion Templates | The EM’s Field Guide | CodeCrafters | Get Hired as an EM | 1:1 Coaching

Paid subscribers get 50 Notion Templates, The EM’s Field Guide, and access to the complete archive. Subscribe now.

The Hidden Cost of Slow Feedback Loops

tl;dr: Teams gradually lose the ability to test code locally as they add dependencies, forcing them to deploy to staging environments just to verify simple changes. An extra 10 minutes per verification attempt across 8 engineers costs the equivalent of one full-time engineer's productivity. Most teams don't track feedback loop speed the way they track code coverage, so this debt accumulates invisibly.

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