From Software Engineer
to AI Engineer.

1. 0.1 What Is an AI Engineer? Roles, Responsibilities, and Career Paths PUBLISHED
2. 0.2 Software Engineer vs. AI Engineer: What Actually Changes? COMING SOON
3. 0.3 The AI Engineer Skill Map COMING SOON
4. 0.4 Setting Up Your AI Engineering Environment COMING SOON

1 OF 4 MISSIONS PUBLISHED IN THIS LEVEL

1. 3.1 Neural Networks Explained for Software Engineers COMING SOON
2. 3.2 Embeddings: Turning Meaning into Vectors PUBLISHED
3. 3.3 Attention Mechanisms and Transformers COMING SOON
4. 3.4 Tokens, Tokenization, and Context Windows COMING SOON
5. 3.5 How Large Language Models Work COMING SOON
6. 3.6 Model Parameters, Weights, and Inference COMING SOON
7. 3.7 Quantization: FP32, FP16, INT8, and 4-Bit Models PUBLISHED
8. 3.8 Local Models, GPU Memory, and Model Serving COMING SOON

2 OF 8 MISSIONS PUBLISHED IN THIS LEVEL

1. 5.1 What Is RAG, and Why Do AI Applications Need It? PUBLISHED
2. 5.2 Document Ingestion, Parsing, and Chunking COMING SOON
3. 5.3 Embeddings and Vector Similarity Search COMING SOON
4. 5.4 Vector Databases: Milvus, pgvector, and Alternatives COMING SOON
5. 5.5 Building an End-to-End RAG Pipeline COMING SOON
6. 5.6 Hybrid Search, Metadata Filtering, and Reranking COMING SOON
7. 5.7 RAG Evaluation: Faithfulness, Relevance, Precision, and Recall COMING SOON
8. 5.8 Advanced RAG: Query Rewriting and Retrieval Optimization COMING SOON

1 OF 8 MISSIONS PUBLISHED IN THIS LEVEL

1. 6.1 Agentic AI: Agents vs. Workflows PUBLISHED
2. 6.2 Tool Calling and AI Agents COMING SOON
3. 6.3 State, Memory, and Planning COMING SOON
4. 6.4 LangGraph: Nodes, Edges, State, and Checkpointing COMING SOON
5. 6.5 Human-in-the-Loop Workflows COMING SOON
6. 6.6 Multi-Agent Systems: When and Why to Use Them COMING SOON
7. 6.7 MCP: Model Context Protocol Explained PUBLISHED
8. 6.8 Build a Production-Style AI Agent COMING SOON

2 OF 8 MISSIONS PUBLISHED IN THIS LEVEL

1. 7.1 LLM Evaluation: Golden Datasets and Automated Testing PUBLISHED
2. 7.2 Guardrails, Hallucination Mitigation, and Output Validation COMING SOON
3. 7.3 AI Observability with LangSmith and CloudWatch COMING SOON
4. 7.4 Prompt Injection and AI Application Security COMING SOON
5. 7.5 Authentication, Authorization, Secrets, and Data Privacy COMING SOON
6. 7.6 Cost Optimization, Caching, and Rate Limiting COMING SOON
7. 7.7 Deployment with Docker, AWS, and CI/CD COMING SOON
8. 7.8 Monitoring, Tracing, and Production Debugging COMING SOON
9. 7.9 Responsible AI, Governance, and Human Oversight COMING SOON

1 OF 9 MISSIONS PUBLISHED IN THIS LEVEL