Design a real-time chat application like Slack or WhatsApp — SpaceX interview
Reported in SpaceX USA engineering loops. Mid-to-senior design spanning WebSockets, message storage, and presence.
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Reported in SpaceX USA engineering loops. Mid-to-senior design spanning WebSockets, message storage, and presence.
Reported in SpaceX USA engineering loops. Caching patterns for system design and backend performance tuning.
Reported in SpaceX USA engineering loops. Infrastructure design question covering L4/L7 balancers and health checks.
Reported in SpaceX USA engineering loops. Senior system design combining sharding, eviction, consistency, and observability.
Reported in SpaceX USA engineering loops. Frequently asked in US system design rounds for CDN, cache, and sharding topics.
Reported in SpaceX USA engineering loops. Product + system design hybrid common at Meta, Twitter/X, LinkedIn, and Reddit US offices.