System Desgin
ORM Audit Logging & Soft Deletes: A Complete Guide (2024)
Learn how to add soft‑delete columns and immutable audit logs in your ORM, keep queries fast with proper…
// tag archive
system-design
5 articles
Backend Dev
Why Your Node.js App Is Fast Locally but Slow in Production
A senior engineer’s deep dive into performance illusions, real bottlenecks, and hard-earned lessons If you’ve shipped a Node.js…
Backend Dev
Redis Is Not a Database (Until You Treat It Like One)
Redis has an identity problem—and most teams make it worse. On paper, Redis is simple: an in-memory data…
Backend Dev
Sprite Sheets in Node.js: How Video Platforms Show Fast Hover Previews Without Loading Hundreds of Images
Modern users don’t think in milliseconds — they think in feel. If a UI feels slow, it’s broken.…
AI
How to Review AI-Written Code Like a Senior Engineer
A practical guide based on real-world experience AI writing code fast isn’t surprising anymore. That part of the…