Node.js development at ZeroPixel
Node.js runs the backends of Netflix, PayPal and LinkedIn — and the backend of every product ZeroPixel ships. It executes JavaScript on the server, which sounds like a technical detail but has a practical consequence: one language and one team across your whole system, instead of a frontend team and a backend team lobbing tickets at each other.
We build Node.js backends in TypeScript: REST and GraphQL APIs, authentication and payments, background jobs, webhooks, and the integrations that connect your product to the rest of your business — CRMs, accounting systems, email platforms, whatever your operation runs on.
Just as important is what we don't do: over-engineer. No microservice sprawl for a product with a thousand users, no exotic infrastructure that needs a specialist to babysit. We build the simplest system that meets your real scale, on infrastructure you can afford, with monitoring so problems announce themselves before customers do.
What we build with Node.js
Four kinds of backend work cover most of what UK businesses bring us — from green-field APIs to untangling systems that grew in the dark.
APIs & backends
The server side of web and mobile products: data, authentication, payments and business logic behind a clean, documented API.
System integrations
Connecting the tools your business already uses — CRM to invoicing to email — so data stops being re-typed between systems.
Background jobs & automation
Scheduled reports, queue-driven processing, notifications and syncs — the machinery that works while your team sleeps.
Real-time features
Live dashboards, notifications, collaborative screens and chat — Node.js's event-driven core is built for exactly this.
Why hire ZeroPixel for Node.js work
- Right-sized architecture
- We've seen what over-engineering costs. You get the simplest architecture that serves your actual traffic and growth — which is cheaper to run, easier to debug, and faster to change.
- Full-stack accountability
- Because we build the frontend too, there's no gap for problems to fall into. One team owns the request from the browser to the database and back.
- Production-minded
- Logging, monitoring, error alerting and sensible deployment come with every backend. When something misbehaves at 2am, the system tells us — usually before anyone notices.
Node.js — common questions
Is Node.js the right backend for my project?
For most web products, APIs and integrations — yes: it's fast, battle-proven at massive scale, and shares a language with your frontend, which keeps teams small and codebases coherent. For heavy numerical computing or certain enterprise ecosystems, something else may fit better, and we'll say so plainly rather than sell you our hammer.
Can you build an API for our existing website or mobile app?
Yes — we regularly build standalone backends for products whose frontends already exist or are being built by another team. You get a documented, versioned API with authentication, sensible error handling, and a staging environment your team can develop against from day one.
Can you fix or take over an existing Node.js backend?
Yes. Backend rescues usually start with the same symptoms — slow endpoints, mystery crashes, a developer who left — and the same first step: an audit. We stabilise what's running, add the missing monitoring, then improve incrementally. A rebuild is the last resort, not the default recommendation.
How much does Node.js development cost in the UK?
A focused piece of backend work — an API for one product, an integration between two systems — is typically a four-figure project with a fixed written quote. Larger platforms are scoped individually. Hosting costs are set out transparently too; a well-built Node.js backend for a typical UK business runs on remarkably modest infrastructure.
How do you handle security?
As a baseline, not an add-on: proper authentication and session handling, input validation on every endpoint, encrypted data in transit and at rest, dependency auditing, and least-privilege access to databases and third-party keys. For businesses with compliance needs — GDPR especially — we design data flows to match your obligations and document them.
Beyond Node.js
A stack is a set of choices that have to work together — these are the pieces we most often pair with Node.js, and where we do it.
Building with Node.js?
Tell us what you're making — we'll reply within one working day with an honest take and a fixed quote.