Featured Articles
Hand-picked deep dives on system design and engineering.
WhatsApp Engineering: How End-to-End Encryption Works
Understand the Signal Protocol, the Double Ratchet algorithm, and how billions of messages are secured instantly.
Jan 239 min read
SYSTEM DESIGN
Database Sharding: Scaling Instagram's Postgres DB
When vertical scaling hits a wall. A deep dive into horizontal partitioning, ID generation (Snowflake), and routing queries efficiently.
Jan 199 min read
SYSTEM DESIGN
API Gateway Patterns: The Microservices Front Door
Don't expose your services directly. Explore how API Gateways handle authentication, rate limiting, SSL termination, and request routing.
Jan 169 min read
SYSTEM DESIGN
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