# The System Design Newsletter

> Download my AI engineering playbook on newsletter signup for free.

- **Platform:** substack
- **Category:** Technology
- **Subscribers:** 251K
- **Paid subscribers:** 11K
- **Last updated:** 2026-10-14
- **URL:** https://systemdesignone.substack.com
- **Profile:** https://newsletterinsights.io/newsletter/systemdesignone

## Recent Posts

- [How Razorpay Scaled to Handle Flash Sales at 1500 Requests per Second](https://newsletter.systemdesign.one/p/payment-gateway-architecture)
- [21 Frontend System Design Concepts for Software Engineers](https://newsletter.systemdesign.one/p/frontend-system-design)
- [How Cloudflare Was Able to Support 55 Million Requests per Second With Only 15 Postgres Clusters](https://newsletter.systemdesign.one/p/postgresql-scalability)
- [5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day](https://newsletter.systemdesign.one/p/zoom-architecture)
- [How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server ✨](https://newsletter.systemdesign.one/p/how-does-nginx-work)
- [How 0.1% Companies Do Hyperscaling](https://newsletter.systemdesign.one/p/cell-based-architecture)
- [How Discord Boosts Performance With Code-Splitting](https://newsletter.systemdesign.one/p/what-is-code-splitting-in-react)
- [Microservices Lessons From Netflix](https://newsletter.systemdesign.one/p/netflix-microservices)
- [Everything You Need to Know About Gossip Protocol](https://newsletter.systemdesign.one/p/gossiping-protocol)
- [Realtime AI Agent - A Deep Dive](https://newsletter.systemdesign.one/p/event-driven-ai-agent-architecture)

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