The 7 Skills You Need to Build AI Agents That Actually Work in Production

When a job posting surfaces asking for a “prompt engineer” with expertise in distributed systems, API design, machine learning operations, security engineering, and product management all at once, the instinct is to laugh. But the uncomfortable truth is: the job description isn’t wrong. It’s just poorly titled. Building AI agents that survive and perform in the real world - not just in a controlled - requires a skill set that stretches far beyond clever phrasing and instruction writing.