Practical writing on building fast, maintainable products for the web.
What KYC and AML actually are, where they fit in onboarding, how to integrate a verification provider, and how to build it so a failed or edge-case check never strands a user.
How a double-entry ledger, idempotent webhooks, and a daily reconciliation job keep your records in sync with your payment provider, and the failure cases most teams skip.
How to fetch data in React Server Components without waterfalls, prop-drilling, or a client cache library. Real Next.js patterns and trade-offs.
Four caches, one mental model. How the Data Cache, Full Route Cache, Router Cache, and Request Memoization actually behave, and how to make them do what you want.
What each strict TypeScript flag actually does, where the friction is real, and how to turn strict mode on without a week of red squiggles.
How database indexes actually work, how to read a query plan, composite index ordering, and the costs nobody warns app developers about.
Practical rules for REST APIs that survive years of change: stable contracts, honest status codes, cursor pagination, and versioning you can actually maintain.
Server Components, client islands, and the static-to-dynamic spectrum. A field guide to where your code actually runs in the Next.js App Router.
GraphQL solves real problems, but it is not a default. Here is how to tell when it earns its keep and when REST or RPC will serve you better.
Most projects do not need a fancy database, just one boring, reliable one that does everything well. Here is the honest case for Postgres.
How to use Redis caching without shooting yourself in the foot: real patterns for read-through caches, invalidation, TTLs, and the stampede problem.
How auth actually works in the App Router in 2026: session cookies, middleware checks, Server Action mutations, and where to verify so you don't ship a hole.
