Writing & Ideas
Thoughts on backend engineering, AI, and building software that scales.
File Upload Security: A Complete Guide to Protecting Your Application
Every application that lets users upload something — a profile picture, a resume, an invoice, an attachment — opens a door into your server. Most of …
How Notification Systems Actually Work
Ever wondered how you get that instant ping when someone likes your post or sends you a message? That simple notification you see on your phone is the …