Draw distributed architectures on an interactive canvas. Submit your diagrams to get scored out of 10 with instant bottleneck analysis and strength breakdowns.
Quantitative scoring on scalability, data flow, and trade-offs.
Validates smart caching, replication, and decoupling decisions.
Catches SPOFs, unbuffered queues, and database write contention.
Draw microservices, load balancers, and datastores smoothly.
Select a problem to jump straight into the canvas editor.
Build a scalable URL shortening and redirection service like TinyURL or bit.ly.
Protect backend services from DDoS, brute-force attacks, and resource starvation.
Architect a 1:1 and group messaging system like WhatsApp, Slack, or Discord.
Simulate a real system design interview with rigorous real-time AI critique.
Pick from problems with defined scale metrics, read/write ratios, and latency requirements.
Use Excalidraw to map out microservices, load balancers, caching tiers, databases, and queues.
Receive quantitative marks out of 10, identified bottlenecks, and recommendations.