I Built an AI System Design Coach — Clone It, Try It, Break It (opens in new tab)

The problem I kept running into Every time I practiced system design, I'd hit the same wall: I'd sketch out a rough idea for "design WhatsApp" or "build a URL shortener," and then... nothing. No feedback. No indication if my choice of Kafka over RabbitMQ was justified or just cargo-culting. No one to ask "hey, what's your latency requirement?" Real interviews have a human who prods you with the right questions. Solo practice doesn't. I built Arcwise to fix that. What Arcwise does Arcwise is a...