Node.js Development Company for APIs and Real-Time Apps
We build Node.js APIs on Express and NestJS, real-time features and background workers for companies in the US, UK and Europe, connect them to your apps and data, then test, launch and look after them. The code lives in your repo from day one.
- APIs & backends REST and GraphQL APIs on Express or NestJS.
- Real-time Live updates, chat and alerts over WebSockets.
- Workers & upkeep Queued jobs, tested releases, support after launch.
Ratings and how to get started
Node.js development
What we build with Node.js
The kinds of systems Node.js is good at, and the work we do on each.
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APIs for web and phone apps
REST or GraphQL APIs that your web app, phone app and partners call, documented and versioned so changes do not break them.
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Real-time features
Live order status, chat, notifications and dashboards over WebSockets, pushed to the screen as things change.
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Background jobs and queues
Emails, reports, imports and payments handed to queued workers and retried on failure, so requests stay fast.
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Integrations and webhooks
Payment, CRM, shipping and other services connected, with incoming webhooks checked, logged and retried.
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Backends for React and Next.js
One language from the screen to the server, with the API shaped around what each screen needs.
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SaaS backends
Accounts, teams, roles and subscription billing for a product many customers sign in to every day.
What we do
Node.js development services
What we do with Node.js, from a new API or a takeover to the workers and support behind it.
Book a free Node.js consultationCommon Node.js problems we fix
- An API that slows down as traffic grows
- Memory use that climbs until the server restarts
- Background jobs that fail quietly or run twice
- Node.js and npm packages too old to update safely
- No tests, so every release is a risk
- Errors nobody hears about until a customer does
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REST and GraphQL APIs on Express for lean services or NestJS for larger codebases, documented and tested before release.
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Real-time applications
Chat, live tracking, notifications and dashboards over WebSockets, built to hold many open connections.
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Background jobs and integrations
Queues, scheduled tasks and connections to outside services, with retries and logs when something fails.
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Accounts, teams, roles and billing for products many customers use every day.
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Taking over a Node.js app
Old Node.js versions, tangled callback code and outdated packages brought up to date one part at a time, while the app stays live.
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Fixes, Node.js and package updates and new features after launch, tested on staging before they go live.
Choosing a backend
Node.js, Laravel or PHP?
We work with all three, so we have no reason to push you either way. This is how we help clients choose.
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Node.js fits when
- Many people stay connected at once: live updates, chat, notifications
- Your team writes JavaScript or TypeScript on the front end and wants one language
- The work is mostly APIs and calls to other services, not long calculations
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Laravel fits when
- You want sign-in, queues, mail and an admin area ready to use
- Your product is forms and data: portals, dashboards, back offices
- Your team or your hosting already runs PHP
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PHP fits when
- You have a PHP site or system to extend, not rewrite
- Low-cost, widely available hosting matters to you
- You run WordPress or another PHP platform alongside it
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Need public pages too?
Next.js runs on Node.js and serves pages already rendered, so search engines can read them. When your product needs fast public pages as well as an API, the front end and the backend can share one language.
See our Next.js development → -
Already on Laravel or PHP?
You do not have to rewrite it to add live features. A small Node.js service can handle WebSockets or one busy API beside your existing PHP code, working from the same data.
Ask about adding Node.js →
How we work
From first call to a live Node.js app
The same way of working on every project.
Built in from the start
What goes into every Node.js backend
The parts that keep an API safe to change and easy to look after, whatever it does.
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Input checked at the door
Every request validated before it reaches your data, with clear error messages for the apps that call it.
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Sign-in and roles
Sessions or tokens, password resets and roles, so each user and service reaches only what it should.
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Logs you can search
Structured logs and error tracking, so a failed request can be traced from the app to the database.
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Tests on every change
Unit and API tests in the pipeline, so a change that breaks an endpoint is caught before release.
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API documentation
Endpoints written up with examples, so your front-end team or partners can build against them.
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Settings kept out of the code
Keys and settings in environment config, separate for staging and live, never committed to the repo.
Why Provis
Why work with Provis on Node.js
What you can check before you hire us.
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Your code, in your repo
Every change goes into your own repository from the first commit, so the app is never locked to us.
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Changes tested on staging
New features, Node.js updates and package upgrades go to staging before your live system.
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We fix what others left
We take over Node.js apps other teams built and make them safe to change again.
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One project lead
A single point of contact, with a written weekly update and a demo of what was built.
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Honest stack advice
We build with Node.js, Laravel and PHP, so we recommend what fits your product.
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Hours that overlap yours
We are on IST: 4.5 to 5.5 hours ahead of London, 9.5 to 10.5 ahead of New York.
APIs and integrations
What we connect Node.js to
Common databases, services and tools we set up with Node.js backends, and the work we build ourselves when no library fits.
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FrameworksWhat the server code is built on.
- Express
- NestJS
- Fastify
- TypeScript
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DatabasesWhere your data lives.
- PostgreSQL
- MySQL
- MongoDB
- Redis
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Real-time and queuesLive updates and background work.
- WebSockets
- Socket.IO
- BullMQ
- RabbitMQ
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Payments and messagesTaking payments, sending messages.
- Stripe
- PayPal
- Twilio
- SendGrid
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Front endsThe apps that call your API.
- React
- Next.js
- Vue
- React Native
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Hosting and deploysWhere it runs, and how it ships.
- AWS
- Google Cloud
- DigitalOcean
- Docker
Speed, security and care
Fast, safe and kept up to date
A Node.js backend is only as good as its slowest request and its next update. We look after both, before launch and after it.
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Fast under load
Slow queries found and fixed, caching where it helps, and heavy work moved off the request to workers.
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Tested updates
Node.js LTS releases and npm packages upgraded on staging first, then released once the tests pass.
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Secrets and input kept safe
Keys kept in environment config, every request validated, and dependencies audited for known issues.
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Watched after launch
Errors, response times and queues monitored, with fixes and new features once the app is live.
Cost
What does a Node.js project cost?
Every backend is different, so we quote after a short call, not from a price list. Within two working days you get an approach, a rough timeline and a rough cost range. No charge, no commitment.
What changes the price
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Features
How many endpoints, user roles and features, and how much logic sits behind them.
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Real-time
Whether users need live updates, chat or notifications, and how many at once.
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Integrations
Which services and data sources the backend talks to, and how clean their data is.
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Data
A database you already run or a new data model, and how much data has to move.
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Existing code
Starting fresh, or taking over and updating an existing Node.js app.
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Aftercare
Monitoring, updates, fixes and new features once the app is live.
FAQ
Node.js development questions
Straight answers to what clients ask us most.
How much does Node.js development cost?
It depends on the endpoints and features, any real-time parts, the services the backend connects to, and whether you are starting fresh or taking over existing code. We do not sell fixed packages. After a short call, we send an approach, a rough timeline and a rough cost range within two working days, with no charge and no commitment.
How long does it take to build a Node.js backend?
A focused API for one app takes far less time than a full product backend with real-time features, background jobs and many integrations. We give you a realistic timeline after the first call, and you see the work on a staging server every week.
What is Node.js used for?
Node.js runs JavaScript on the server. It suits APIs, real-time features such as chat and live updates, background workers, and services that spend most of their time waiting on databases and other APIs. Long, heavy calculations suit it less; we move those to workers or another language.
Should I use Node.js, Laravel or PHP?
We work with all three, so the answer depends on your product and your team. Node.js suits live features, busy APIs and teams that already write JavaScript; Laravel suits form- and data-heavy products that want sign-in, queues and an admin ready to use; plain PHP suits extending an existing PHP system. We tell you which fits after the first call.
Which Node.js frameworks do you use?
We choose per project: Express for small, simple APIs, NestJS when a larger codebase needs a set structure, and Fastify when raw speed matters most. We usually suggest TypeScript for new code, and keep to plain JavaScript where your codebase already uses it.
Can you add real-time features to an existing app?
Yes. Live updates, chat and notifications can be added with WebSockets without rebuilding your app. If your main system is in PHP or Laravel, a small Node.js service can handle the live connections beside it.
Can you take over an existing Node.js app?
Yes. We read the code first, then fix what is unsafe, add tests around the parts that matter, and update Node.js and its packages on staging. New features come once the app is safe to change, and the current app stays live throughout.
Who owns the code?
You do. The code goes into your own repository from the start, with hosting and domains in your company's name. When the work is done, you can keep us on or take it over, with setup and deployment written down.
Do you work with companies outside India?
Yes. Our team is in Jaipur on IST, 4.5 to 5.5 hours ahead of London and 9.5 to 10.5 ahead of New York. Our UK company, Provis Global Ltd, is registered in the United Kingdom.
- 1 Project details
- 2 Your details
- 3 Additional info
Tell us about your Node.js project
This helps us understand your backend and prepare a relevant reply.
Prefer to talk directly?
We're on IST: 4.5 to 5.5 hours ahead of London, 9.5 to 10.5 ahead of New York.