The “prompt-and-pray” era is over — and that’s a good thing.

In this episode, we break down why AI “magic” collapses under real production traffic (edge cases, hallucinations, messy inputs, and even infrastructure-level failures)… and what replaces it: actual AI engineering.

Danny frames the shift with four architectural pillars that make LLM features shippable and reliable:

- State orchestration (stop treating models like employees — they’re stateless CPUs)

- Constraint generation (JSON forcing, schema-driven outputs, type-safe sampling)

- Infrastructure reliability (retries, backoff, fallbacks — because inference can and will fail)

- Regression testing & evals (measure prompts like code, break builds when quality drops)

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Danny Thompson

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www.DThompsonDev.com

Leon Noel

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https://100devs.org/

📧 Have questions for the show? Or are you a business that wants to talk business?

Email us at dannyandleonspodcast@gmail.com!

We also hit the reality of agent “throughput” vs human review bottlenecks (Phoenix Project vibes), why monolithic agents are a trap, and a listener question about networking + credibility after pitching an MVP that isn’t fully shipped yet.

If you’re building AI features for real users — not demos — this is the blueprint.

00:00 — The “prompt-and-pray” era is over

02:49 — AI hype fades: guardrails + reality

06:34 — Deterministic software vs probabilistic models

07:29 — The 4 pillars of AI engineering (overview)

11:37 — Pillar 1: state orchestration (FSM, stateless models)

20:26 — Pillar 2: constraint generation (JSON, schemas, type safety)

28:28 — Pillar 3: infra reliability (retries, fallbacks, failures)

32:21 — Pillar 4: evals + regression testing (LLM-as-judge)

43:40 — Listener question: networking, MVP pressure, and credibility

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The Programming Podcast