Long-form essays on software architecture, system design, interfaces, and the craft of engineering.https://aryanbatras.com/en-us© 2026 Aryan Batrahttps://aryanbatras.com/writing/feature-first-nextjs/https://aryanbatras.com/writing/feature-first-nextjs/A folder structure is a theory about how change happens. Here is the one I use in Next.js, what the domain layer actually buys, and where clean architecture turns into ceremony.Wed, 28 Oct 2026 00:00:00 GMTen-usarchitecturenextjstypescriptAryan Batrahttps://aryanbatras.com/writing/the-queue-is-the-product/https://aryanbatras.com/writing/the-queue-is-the-product/The happy path is a demo. The queue is where the product actually lives — retries, idempotency, visibility timeouts, and the dead-letter queue nobody wants to own.Sat, 19 Sep 2026 00:00:00 GMTen-ussystem-designawsbackendAryan Batrahttps://aryanbatras.com/writing/make-the-boundary-obvious/https://aryanbatras.com/writing/make-the-boundary-obvious/A module that cannot explain what it owns will eventually own everything. Notes on contracts, ownership, and the small interfaces that keep a codebase legible.Sun, 30 Aug 2026 00:00:00 GMTen-usarchitecturecraftteamsAryan Batrahttps://aryanbatras.com/writing/designing-for-the-second-visit/https://aryanbatras.com/writing/designing-for-the-second-visit/The first visit is a demo. The second visit is the product — and it depends on return paths, saved state, speed, and the quiet details nobody puts in a launch video.Fri, 24 Jul 2026 00:00:00 GMTen-usdesigninterfacescraftAryan Batrahttps://aryanbatras.com/writing/the-cost-of-a-convenient-abstraction/https://aryanbatras.com/writing/the-cost-of-a-convenient-abstraction/Every shortcut has a bill, and most of them arrive in production. On ORMs, server components, caching layers, and the value of knowing what the abstraction is doing.Sun, 14 Jun 2026 00:00:00 GMTen-ustypescriptdatabasesarchitectureAryan Batra