Next.js Development Services — App Router, Server Components, Edge & Self-Hosting

Next.js is now the dominant framework for serious React work. DiveScale ships Next.js apps that earn their reputation for speed: App Router done right, Server Components where they pay off, edge runtime when latency justifies it, and deployment topology matched to the actual workload — not to a default.

We are equally fluent on Vercel and on self-hosted (AWS, GCP, Azure, Kubernetes). The choice depends on data residency, traffic shape, cost, and procurement — not lock-in we accept by default. Self-hosting Next.js properly (ISR, image optimization, caching) is real engineering work; we do it well.

SEO is engineered, not retrofitted. Every Next.js app we ship has the Metadata API used correctly, sitemap generation tied to data sources, JSON-LD structured data per page type, hreflang for multi-region targeting, and Core Web Vitals scores measured on real devices. The pages rank because they were engineered to.

On the data layer, we use Server Components and Server Actions where they fit, TanStack Query or SWR for client-side caching, and shared TypeScript contracts (tRPC, generated OpenAPI clients, or Zod schemas) so the front-end and back-end agree at compile time. Type safety is end-to-end or it doesn't count.

We design for change. App Router cache semantics are powerful but unforgiving — we document the cache strategy explicitly, test invalidation paths, and avoid the implicit-cache footguns that bite teams six months in.

Performance is non-negotiable. Bundle budgets enforced in CI, Lighthouse CI on every PR, font and image optimization by default, Suspense streaming where it pays, and lazy loading on heavy interactive surfaces. We measure before optimizing — never the other way around.