
RAG Optimization Engineer
Optimize RAG pipelines for retrieval quality and accuracy
What You Can Do
Debug retrieval failures, optimize chunking strategies, and validate answer accuracy across different RAG configurations. You can systematically test embedding models, chunk sizes, query expansion techniques, and reranking parameters to maximize your pipeline's performance. This skill helps you measure the impact of changes and identify which retrieval bottlenecks are hurting your system most.
Features
Analyze which documents are retrieved for each query and why they rank in that order
Test different chunk sizes, overlap, and splitting strategies to maximize relevance
Evaluate embedding model performance and identify relevance scoring issues
Experiment with query rewriting and expansion to improve recall
Systematically compare multiple RAG parameter sets with accuracy scores
Generate hit rate, precision@k, relevance scores, and other key metrics
Trace why specific queries fail and recommend targeted fixes
Compare answer accuracy before and after optimization changes
Example Output
Retrieval Quality Report
Current Metrics:
- Hit Rate (top-5): 72%
- Precision@1: 45%
- Avg Relevance Score: 0.68
Failing Queries Analysis:
- 15% fail due to poor embedding similarity
- 8% fail due to suboptimal chunk boundaries
- 5% fail due to insufficient query expansion
Configuration Comparison
| Strategy | Hit Rate | Precision@1 | Impact |
|---|---|---|---|
| Current (512 chunks) | 72% | 45% | Baseline |
| Test A (1024 chunks) | 78% | 52% | +20% tokens |
| Test B (Query expansion) | 81% | 58% | +15% latency |
| Test A+B (Combined) | 84% | 63% | +32% tokens |
Recommendation: Implement combined approach for 18 percentage-point improvement in Precision@1.
What's Included
- SKILL.md: Complete RAG optimization workflow with diagnostic trees and validation checklists
- RAG Diagnostic Template: Structured format for capturing your pipeline architecture and current metrics
- Configuration Comparison Worksheet: Side-by-side testing framework for parameter combinations
- Query Expansion Checklist: Techniques for rewriting and expanding queries to improve recall
- Retrieval Validation Suite: Test framework with accuracy scoring and metric calculation
- Troubleshooting Guide: Common RAG failure patterns and their root causes
Who It's For
- ML Engineers building and tuning RAG applications for production
- Data Scientists optimizing search and retrieval systems for accuracy
- LLM Product Managers responsible for Q&A accuracy and user satisfaction
- AI/ML Architects designing enterprise information retrieval systems
- Search Engineers debugging why queries return irrelevant results
Best For
- Diagnosing retrieval failures in underperforming RAG pipelines
- Comparing chunking strategies (size, overlap, splitting methods)
- Validating embedding model upgrades before production deployment
- Root cause analysis of queries that return irrelevant documents
- Optimizing cost vs. accuracy tradeoffs by testing parameter combinations







