Production & Scale · Next.js
Middleware is a core concept in Next.js. Understanding it deeply helps you write maintainable, interview-ready frontend code.
Why it matters: Middleware appears in daily development, code reviews, and technical interviews for frontend roles.
How this affects pages you build on JioCoder and in production.
Career skill
Middleware is part of the frontend roadmap — essential for building and shipping web products.
Interview readiness
Expect Middleware in technical screens for frontend roles.