Scenario Library
Real FDE scenarios drawn from production deployments. Each one tests the dimensions that separate deployment-ready engineers from those who need hand-holding. Sign in to start practising.
Harwood Logistics
RAG Support Agent
An AI support agent returning wrong answers to employees. Diagnose two silent config bugs that are tanking retrieval quality — similarity threshold too tight, chunk size too small.
Arbor Capital
Financial Document Pipeline
Earnings pipeline failed overnight before a board demo. Revenue queries return 404 and nothing is being stored. Fix two bugs and complete two stubs before the CTO presents.
FDE Readiness Tiers
Developing
Needs coaching on deployment fundamentals
Deployment-Ready
Handles standard integrations independently
Battle-Tested
Navigates ambiguity and escalation without hand-holding
Principal FDE
Shapes how customers build, not just what they build