How I'd Design a Chat System Like WhatsApp — WebSockets, Message Delivery, and Scaling to Millions
A practical system design breakdown covering 1-on-1 and group messaging, delivery guarantees, and the architecture decisions that actually matter in production
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Production patterns for backend engineers who are tired of hello-world tutorials.
Senior full-stack engineer and engineering lead with 5+ years building cloud-native systems at scale. I write about the things the docs don't cover — GCP, FastAPI, Terraform, event-driven architecture, and AI-powered backends. No hello-world demos.
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