Build Secure Systems While Coding (A Practical Dev Story You Shouldn’t Ignore)

“We’ll fix security later.” — Every developer, right before a critical production failure. Let’s walk through a realistic engineering scenario and look at how to avoid the painful, costly fallout of treating security as an afterthought. The Scenario: The Feature-First Trap Imagine a cross-functional product team working on a commercial course-selling platform. The team consists of: Rahim: Backend Developer (Node.js) Dhrubo: Mobile Developer (Flutter) Soad: Full-Stack Jillu DevOps Project Manager