How does real time functionality like chat get built?

WebSockets or managed realtime services push updates to connected clients instantly, backed by your normal database as the source of truth. The design decisions are about presence, delivery guarantees and reconnection behavior, which is where production experience shows.

Answered by

Ijaz Khan, Senior Full Stack Developer

4+ years shipping production SaaS, AI products and scalable backends for clients worldwide. Available for freelance projects and full-time roles.

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