Next.js development services with rendering per route
We build Next.js products for teams combining public pages with interactive React applications. Our Next.js development services define each route's rendering and cache policy, with hosting responsibilities agreed before release.
01Capabilities
Rendering and cache decisions for each product route
React provides the component layer. Next.js adds route-level rendering and server-side features; we define how those features serve each part of the product.
- Hybrid
Public routes alongside an authenticated app
We build public product pages and authenticated screens within one web build. Each route gets the rendering approach its data needs, while browser interaction is planned separately. Public and signed-in surfaces can share a codebase without sharing a cache policy.
- Rebuilds
SaaS platform rebuilds
We rebuild SaaS platforms with Next.js, including data-heavy products in energy and sustainability. We assess the existing routes and request flow before choosing the rendering changes. The migration plan follows those findings, with interactive screens and server work given explicit boundaries.
- Scale
Content routes with a cache freshness policy
We generate hundreds or thousands of product pages from CMS or database content. The freshness requirement decides whether pages are built ahead of time or refreshed. We define when cached pages and data can be reused, and which content changes trigger revalidation.
- Handlers
API endpoints adjacent to the interface
We build route handlers for session work, form submissions and calls to internal services. These endpoints give the interface a defined server-side boundary. Long-running processing belongs in a separate service with its own lifecycle, such as a Node.js service.
02Case studies
A Next.js rebuild for climate-tech SaaS
unicrew embedded engineers in a European climate-tech startup's carbon-footprint platform, rebuilding parts of it with React, Next.js and Neo4j. The client reports enhanced customer satisfaction and positive feedback on the application's UI and speed.
See all case studies
03Fit
Match route behavior to rendering and hosting
We choose the Next.js rendering strategy from the data a route serves and the environment that will run it. Browser interaction and operational ownership are separate decisions.
| Your situation | What we recommend |
|---|---|
| Public product pages where first paint and search visibility both matter | Use Next.jsWe select static or per-request rendering for the route's initial HTML. Client Components add browser interaction and can still be prerendered on the initial request. |
| An application entirely behind a login, with no public pages at all | Assess React or Next.jsA browser-rendered React application can suit this scope. Next.js can also serve authenticated routes; the decision turns on data access, rendering needs and the hosting model, rather than visibility alone. |
| Mostly content, with very little for the reader to interact with | Use static outputA static build fits content that can be prepared ahead of time. We add browser interactivity where needed and choose a server runtime when the required behavior calls for one. |
| A team already productive in Vue | Build on VueWe assess server rendering within the existing Vue ecosystem when the team is productive there. The requirement is the route's output and data freshness, which can be addressed without changing the component framework. |
| Heavy background jobs, queues or long-running processing | Separate serviceWe give long-running work its own service lifecycle, on Node.js or another backend. Next.js route handlers call that service rather than owning its processing lifecycle. |
| A hard requirement to run it inside your own network | Plan self-hostingNext.js supports self-hosting. We agree the cache and deployment plan with the operator, including how instances share or refresh cached data, then exercise that behavior on the target environment. |
Scope
We document the rendering and cache model with the team that owns hosting. That includes what is built ahead of time, what is rendered per request and how content changes become visible. unicrew has 100+ senior in-house engineers across six countries. We hold ISO 27001:2022 and ISO 9001:2015, renewed through a multi-stage audit with Quay Audit UK.
In Next.js, we choose the rendering strategy route by route and write down the reason. A marketing page and a logged-in dashboard have opposite needs, so each gets its own. That choice usually decides how fast the application loads.
Andrii BurdaSenior Engineering Manager, unicrew04Delivery
A route plan with a tested hosting target
We document Next.js route decisions so the team operating the product can trace how a content change reaches users.
- Document the rendering choice per routeWe record which routes are built ahead of time, rendered per request or refreshed as content changes. In the App Router, pages and layouts default to Server Components; we identify the boundaries that need browser interactivity separately.
- Define cache freshness and revalidationWe map where data is fetched, which results can be reused and how updates clear or refresh cached content. The output names the refresh trigger and the code or operating responsibility that owns it.
- Exercise the intended hosting environmentWe deploy to the chosen managed platform or self-hosted environment and test images, redirects and request-handling behavior. The deployment plan makes cache storage and refresh responsibilities explicit for the operator.
- Measure and test the routes users visitWe collect performance data from real product routes on users' devices and pair it with automated coverage through our QA practice. That gives the team a route-specific view of behavior and the checks handed over with the release.
05Stack
The interfaces around rendering and server work
We define where Next.js server work ends and a separate application service begins.
06Questions
React, rendering modes and hosting responsibilities
Rendering mode and browser interaction answer different questions. The hosting model decides how the server and cache responsibilities are carried.
Yes. We scope the engagement around the rendering, cache and hosting responsibilities of your product. Our QA practice supports delivery, and unicrew has ISTQB-certified QA engineers.
Choose managed teams for ongoing work with delivery coordination, or web development for an owned application outcome.
Next.js adds routing, rendering, caching and server-side endpoints around React. It can handle the interface and adjacent backend work, such as sessions and form submissions.
React remains the component layer. In the App Router, layouts and pages are Server Components by default. Client Components provide browser interactivity and can still be prerendered for the initial HTML. Long-running processing belongs in a separate service.
The data and freshness requirements set each route's initial rendering mode.
- Static output for pages prepared ahead of time.
- Cached or refreshed output under an agreed freshness policy.
- Per-request rendering for request-specific data.
Browser interaction is a separate choice. We assess an existing Pages Router or App Router setup before proposing a router migration.
Yes. Next.js supports self-hosting, with the deployment and cache plan agreed for the target environment.
The server's default on-disk cache is local to each instance. For multiple instances, we define how cached data and refreshes are coordinated. Image handling and request behavior are tested on that environment.
Our DevOps practice owns the operating side when we run it.
We begin with a route inventory and the intended hosting environment. For an existing application, we ask for repository access and available user performance data.
You receive a written view of how routes render, how cached content is refreshed and which changes come first. Most engagements start within two to four weeks.
Next.js development services are quoted against the rendering, integration and hosting scope.
- Time and materials: billed hourly, quoted per project.
- Fixed price: outcome based, quoted per project.
- Team extension: billed monthly per team member.
The assessment distinguishes application delivery from continuing operating responsibilities.
Put the Next.js route decisions in writing
Share the public pages, authenticated routes and hosting constraints for your product. We will scope a rendering and cache plan, with the server responsibilities and first changes identified.