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WebSocket Chat Architecture

Hard
Pipelinesstate synchronizationfault tolerancewebsockets

Problem

Explain how you would architect a real-time chat application using WebSockets, highlighting how you handle connection drops and state synchronization for Sendbird-style messaging.

Practicing as: Software Engineer interview at Sendbird

Hi, I'll play your Sendbird interviewer for the Software Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.

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