A practical, straight-to-the-point field manual for the role The New Stack calls "AI's hottest job" and a16z calls "the hottest job in tech."







📑 Table of Contents



⚡ TL;DR
🧭 Part 1 — What an FDE Actually Is
📈 Part 2 — Why the Role Exploded (2025–2026)
🛠️ Part 3 — The 5-Phase Deployment Method
⏱️ Part 4 — How FDEs Spend Their Time
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