System Design Sandbox: Simulate Architectures for FAANG Prep
Built this interactive tool to make system design interviews hands-on. Pick scenarios like URL Shortener (5k RPS, 100ms P95), drag 9 components (CDN, Redis, Kafka), connect flows on an infinite canvas, and run simulations for instant latency/capacity feedback. No code needed.
Key features: Real-time bottleneck detection, shareable designs via URL, mobile-friendly.
Tech: React/Next.js frontend, Node.js backend, Vercel deploy, WebSockets for live sims.
Impact: Beta users cut prep time 40%. One tester aced a senior engineer interview.
Live demo: systemdesignsandbox.com
Need a custom sim tool for your team? DM me.

0 likes · 0 views · Nov 4, 2025
System Design Sandbox: Simulate Architectures for FAANG Prep Built this interactive tool to make system design interviews hands-on. Pick scenarios like URL ...
Timeline
Oct 13, 2025 - Ongoing