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Prompt Engineering and LLM Apps in Production: Evals, Cost and Safety

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← Prompt Engineering and LLM Apps in Production: Evals, Cost and Safety

1Prompt Design and Patterns0/5

Prompt Basics and Mental Models8m
Few-Shot Learning and In-Context Examples
Chain-of-Thought and Reasoning Patterns
Role-Play and Persona Prompting
Testing Prompts with Structured Evals
Module quiz

2Structured Outputs and Tool Use0/5

Structured JSON Outputs and Parsing
Pydantic Models and Runtime Validation
Tool Use and Function Calling
Multi-Tool Routing and Agentic Loops
Hands-On Lab: Build a Multi-Tool Agent
Module quiz

3Retrieval Systems (RAG)0/5

RAG Fundamentals and Architecture
Chunking Strategies and Embedding Selection
Retrieval, Ranking, and Reranking
Measuring RAG Quality: Precision, Recall, NDCG
Hands-On Lab: Build and Evaluate a RAG System
Module quiz

4Evals and Regression Testing0/5

Eval Frameworks and Metrics
LLM-as-Judge and Semantic Scoring
Building Regression Test Suites
Detecting Prompt Drift and Model Changes
Hands-On Lab: Write Evals for Your Own System
Module quiz

5Cost, Latency, and Optimization0/5

Token Costs and Budget Planning
Latency SLOs and Tail Percentiles
Prompt Caching and KV Cache
Batching and Request Coalescing
Hands-On Lab: Optimize Cost and Latency
Module quiz

6Safety, Guardrails, and Monitoring0/5

Guardrails and Input/Output Filtering
Red-Teaming Your Own LLM System
Detecting Jailbreaks and Adversarial Inputs
Monitoring and Alerting in Production
Hands-On Lab: Add Guardrails and Monitor
Module quiz

7Capstone Project0/1

Ship an LLM Feature End to End
Module quiz

Prompt Design and Patterns·Lesson 4 of 31·10 min

Role-Play and Persona Prompting

This lesson is for enrolled learners

The concept Persona prompting — “you are a senior counsel,” “you are a friendly coach” — is a weak form of control if it is only a costume. A role is useful when it stands for a permission set, a tone contract, and a set of non-goals: what this persona is not allowed to do. “You are a helpful lawyer”……

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