Topic

System Design

Architecture deep-dives, trade-offs and scaling patterns.

2 posts

Designing a URL shortener at scale with a cache-first redirect path

Design a URL shortener at scale with a read-heavy redirect path, collision-safe IDs, multi-region caching, abuse controls, and reliable analytics.

2 days ago · 8 min read

Designing a Low‑Latency Multi‑Region Real‑Time Chat System

Learn how to architect a real‑time chat service that scales to millions of users, stays under 100 ms latency worldwide, and handles offline messages gracefully.

System Design system design real-time chat scalability Nov 1, 2026 · 9 min