Mock interview: job search, alerts and analytics at Kaamkaaj

A recorded 50-minute senior system design round with Kabir Sethi at Kaamkaaj: scoping three systems, sizing a small index and a huge event stream, CDC-fed search, a shared notification platform that turns a 20,000-job burst into one push, percolator alerts, event-time analytics with late data, recruiter isolation, the applies mismatch and a safe reindex.