System Design Interview: Real-Time Chat System
Complete system design interview question for building a real-time chat application like Slack or WhatsApp, covering WebSockets, message delivery guarantees, and presence systems.
Curated questions for hiring CTOs, VPs of Engineering, and technical leaders.
RSS FeedComplete system design interview question for building a real-time chat application like Slack or WhatsApp, covering WebSockets, message delivery guarantees, and presence systems.
Leadership interview question testing a candidate's ability to restructure engineering teams, manage change, and align organisation design with technical strategy.
Coding interview question for implementing a production-grade rate limiter, covering sliding window algorithms, distributed coordination, and API design patterns.
Complete system design interview question for building a URL shortener like bit.ly, including requirements gathering, architecture, and trade-offs.
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