GO TO A SECTION

↑ ↓ to navigate · Enter to openExplore all sections →
FDEInterviews logo
← RAG & Agent System Design / 47
hardGleanCohereSierra

Design a Corrective-RAG loop that self-corrects when an answer lacks evidence, without spinning forever or padding.

Self-correcting RAG is easy to demo and easy to ruin. The discipline is a gate that grades evidence before drafting, a termination rule that is not just a loop cap, and a metric that proves correction adds facts rather than fluff.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

Self-correcting RAG is easy to demo and easy to ruin. The discipline is a gate that grades evidence before drafting, a termination rule that is not just a loop cap, and a metric that proves correction adds facts rather than fluff.

20 answers per topic instead of 10, plus saved progress and bookmarks · no cardor unlock all 548 remaining answers · ₹2,000 / $25

Every answer, concept and course, every paper breakdown, all published video lessons, hands-on FDE Lab missions, Premium PDF guides and companion files, the full practice-test bank and work-sample downloads. Referral Premium excludes guide PDFs and their companion files.

6 months · One payment · No auto-renewal

Study alongside free video lessons.

Keep practising

Next in this trackBuild a DSPy email-triage pipeline and use a compiler to auto-tune its prompts and few-shot examples.PremiumNext in this trackBuild multimodal RAG over 10,000 PowerPoint decks that answers chart queries and cites the exact slide.PremiumNext in this trackA regulated customer's data cannot leave their VPC, but they want RAG with a frontier model. Design it.Premium
DISCUSSION · 0

No comments yet — be the first to share your approach.