Author name: Yogesh Sharma

Zero-downtime deployment sounds like a simple promise: deploy new code without interrupting users. In reality, it is one of the […]

The Hidden System Design Behind Temporary Locks Imagine this situation. You are booking a flight ticket on an airline website.

A Real-World Perspective from Industry Practice, Not Hype In 2026, career uncertainty is no longer limited to senior professionals. Engineers

Deep Dive into the Technology, Algorithms & System Design Behind AirDrop AirDrop feels magical on the surface — you tap

Introduction: That Small Feature With Big Engineering When you hover your cursor over the timeline on platforms like Netflix, YouTube,

Introduction: Credit Card Validation Happens Before the Bank When a user enters a credit card number and clicks Pay, the

Introduction: One Request, One Result — Always In banking and payment systems, the most dangerous bug is not a crash

Introduction: Distributed Systems Are No Longer Optional There was a time when distributed systems were considered an advanced topic, something

System Design is often treated as an advanced topic—something to learn after years of coding. That mindset is wrong. In

This roadmap is designed for someone who wants a clear, structured, and realistic path to become an AI Engineer —