What is prompt engineering for developers (not researchers)?

Prompt engineering (dev)

For What is prompt engineering for developers (not researchers), interviewers listen for a crisp definition, how the pieces interact in a real system, and one trade-off or failure mode you have seen or would guard against.

• Clear role + task + output format (JSON schema).
• Few-shot examples in prompt.
• Chain complex steps; verify with tests/evals.