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Node.js services built to stay up under load

APIs, real-time features and integration services in Node.js — typed, tested and instrumented, so they keep working when traffic arrives.

Projects delivered
50+
Years of experience
10+
Countries served
15+
Typical timeline
6–14 wks
Content management system with editable fields

GOOD AT MANY THINGS AT ONCE

Node.js is at its best when a service spends most of its time waiting — on a database, an API, a file, another service. Because it handles that waiting without tying up a thread for each request, one modest server can hold a very large number of connections at the same time. That is why it is a natural fit for APIs, webhooks, streaming and anything real-time.

It is a poor fit for heavy computation in the request path. Long, CPU-bound work blocks the event loop and everything else queues behind it. The fix is not to abandon Node but to move that work into a queue or a separate worker, which is one of the first architectural decisions we make on a project.

The other reason businesses choose it is that the whole stack speaks one language. If your front end is React or Next.js, a Node backend means shared types, shared validation and one set of tooling. Fewer context switches for the team, and fewer places for the same rule to be implemented twice, slightly differently.

WHERE NODE EARNS ITS PLACE

Three jobs Node.js does better than most alternatives.

Website performance and Core Web Vitals
APIs

The layer everything else talks to

REST or GraphQL APIs serving a web app, a mobile app and partner systems from one place, with authentication, rate limiting, validation and versioning built in from the start rather than bolted on later.

Page speed and Core Web Vitals report
Real time

Updates without a refresh button

Live dashboards, notifications, chat, collaborative editing and order tracking over WebSockets or server-sent events — the pattern Node handles most comfortably.

Website monitoring and maintenance dashboard
Integrations

Glue that does not fall apart

Webhooks, scheduled syncs and queued jobs connecting your store, CRM, ERP and accounting. Written with retries, idempotency and dead-letter handling, because every third-party API fails eventually.

WHAT WE BUILD

Backend work that has to be reliable rather than clever.

REST & GraphQL APIs

Versioned, documented APIs with authentication, validation and sensible error handling.

Real-time services

WebSocket and event-driven features for live data, notifications and collaboration.

Queues & background jobs

Long tasks, imports and exports moved off the request path, with retries and monitoring.

Integration services

Middleware that keeps your store, CRM, ERP and accounting in sync without manual work.

Auth & permissions

Sessions or tokens, roles, API keys and audit logging done to current practice.

Monitoring & tests

Structured logs, error tracking, health checks and tests on the paths that would cost you money.

A service that has never been load tested is a service that has never really been tested.

Talk about your backend

NODE.JS PROJECTS

Where a Node service is usually the right tool.

Backend for a React app

One language across the stack, with shared types between front and back.

Mobile app backends

A single API serving iOS, Android and web clients.

Headless commerce services

Custom logic in front of Shopify or WooCommerce, such as pricing or fulfilment rules.

Microservices

Small services split by responsibility, with clear contracts between them.

Data pipelines

Scheduled imports, transformations and exports that run unattended.

Serverless functions

Event-driven endpoints where paying per request beats running a server.

THE STACK WE USE

Well-supported choices, not whatever was released last month.

Node.js & TypeScript

Typed services with predictable structure.

Express & NestJS

Chosen per project: light and direct, or structured and opinionated.

PostgreSQL, MySQL & Redis

Relational data, caching, queues and rate limiting.

Docker & CI/CD

Reproducible environments and automated deployment.

HOW A PROJECT RUNS

Five stages, with the API contract agreed before anyone builds against it.

  1. 01

    Discovery

    What the service must do, expected load, which systems it talks to, and what happens when they fail. Scope and a fixed estimate follow.

  2. 02

    API contract

    Endpoints, payloads and error shapes agreed and documented first, so front-end work can start in parallel.

  3. 03

    Core build

    Services, data model, authentication and queues built and deployed to staging in slices.

  4. 04

    Integrations & hardening

    Third-party systems connected, with retries, rate limits, logging and load testing.

  5. 05

    Launch & handover

    Deployment, monitoring, alerting, documentation and a walkthrough for whoever runs it next.

HOW LONG IT TAKES

A focused service runs 6–14 weeks. A single integration is faster; a platform with several services takes longer.

Stage Typical time What you receive
Discovery & scope 1 week Requirements, architecture note, fixed estimate
API contract 3–5 days Documented endpoints and payloads
Core build 3–6 weeks Working services on staging, reviewed as they land
Integrations & hardening 1–3 weeks Connected systems, retries, load tests, monitoring
Launch & handover 1 week Deployment, alerting, documentation, training

WHAT NODE.JS WORK COSTS

Backend work is quoted after discovery, because load, integrations and reliability requirements drive the number far more than the endpoint count does.

Get your estimate
  • What moves the price
  • Number of endpoints and how complex the business rules are
  • Expected traffic, and how much headroom you need
  • Third-party integrations and the quality of their APIs
  • Real-time features, which change the architecture
  • Uptime expectations, monitoring and alerting
  • Test coverage and documentation depth

SIGNS YOUR BACKEND NEEDS WORK

The symptoms that usually bring an existing Node service to us.

Ask for a backend review
  • Common warning signs
  • The service slows down or falls over under normal peaks
  • Failed third-party calls are lost instead of retried
  • Nobody knows it is down until a customer says so
  • One long request blocks everything else
  • Business rules are duplicated between front end and backend
  • Deploys are manual and nobody wants to do them

NODE.JS QUESTIONS

What clients ask before choosing a Node backend.

Still have a question? Ask us on WhatsApp
If the front end is React or Next.js and the service is API-heavy or real-time, Node keeps everything in one language. If the project is a classic server-rendered application with a lot of admin screens, Laravel usually gets you there faster. We recommend one after hearing what the product has to do.
For I/O-heavy work, comfortably — that is what it is designed for. Heavy computation is the exception, and we move that into queues or workers so it never blocks the event loop.
Yes, by default. On a backend that other systems depend on, types are the cheapest documentation you will ever write.
Yes. We regularly add an API layer in front of an existing database or application so a new front end or partner integration can be built without rewriting everything.
Yes. We start with a review of the code, dependencies and deployment, and give you an honest picture of what is worth keeping.
Retries with backoff, idempotent operations, dead-letter queues for what still fails, and alerts so somebody knows. Assuming an external API is always available is the most common cause of silent data loss.
Serverless suits spiky, event-driven workloads and keeps costs low when idle. A long-running server is simpler for steady traffic and real-time connections. We choose based on your traffic shape, not on fashion.
We can deploy to your cloud account or manage it for you. Either way the infrastructure and accounts stay in your name.
We load test before launch against realistic traffic, and add monitoring and alerting so problems are visible early rather than reported by customers.
You do — repository, infrastructure and documentation are handed over at the end of the project.

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