Fariz Aziz walks through the pain of wrangling APIs that were built without frontends in mind: think endless network calls, cache woes, bulked-up payloads, and surprise resilience gaps when your app needs to stay online.
In a fintech case study, he shows how a Backend-for-Frontend pattern with Next.js (SSR + API routing) slims payloads and sharpens caching, then layers in TanStack Query to tame client state, cut unnecessary re-renders, and boost scalability. Packed with demos, it’s a grab-and-go playbook for building rock-solid data-fetching flows.
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