EvalcueAIDesign a URL shortener
APIs, key generation, storage, caching, redirects, and hot-key handling.
Interactive system design practice
System Design Interview Questions
Choose a common system-design problem and open it as a real EvalcueAI practice session. The role and problem context are carried into the interview builder for you.
Practice options
Practice realistic system design interview questions with role-specific context, architecture trade-offs, follow-up discussion, and structured feedback.
Design a notification service
Fan-out, queues, retries, preferences, rate limits, and delivery guarantees.
Design cloud file storage
Uploads, metadata, chunking, versioning, sharing, sync, and consistency.