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Node.js Development

Node.js Development Company

OneNext Solutions builds fast, scalable back ends with Node.js and TypeScript - APIs, real-time applications, microservices and serverless functions that power modern websites and apps.

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Fast, efficient back ends that handle thousands of connections with ease.

Node.js is built for input/output-heavy work like APIs, real-time messaging and integrations. Combined with TypeScript and a clear architecture, it gives you a back end that is quick to build and easy to scale.

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Krishna Vale - Custom Website
Krishna Vale - Custom Website

Our Node.js expertise

We build REST and GraphQL APIs with Express, Fastify and NestJS, real-time features with WebSockets, background workers and queues, and serverless functions on AWS Lambda, Vercel and Cloudflare Workers.

Our Node.js back ends connect to React and Next.js front ends, mobile apps and third-party platforms through clean, documented APIs and integrations.

Explore Node.js Development

Choosing a back end

Node.js, Python or PHP?

We work with all three, so we pick what fits your product.

Node.jsPythonPHP / Laravel
Best forAPIs, real-time apps, microservicesData, automation and AI-heavy productsContent platforms and classic web apps
Real-time featuresExcellentGoodGood with add-ons
AI & data ecosystemGoodExcellentLimited
Shared code with ReactYes - one languageNoNo
The Abstract Room - Community & Events Platform
The Abstract Room - Community & Events Platform

The Abstract Room

Community & Events Platform

API Development

REST & GraphQL APIs

We design and build secure, versioned APIs with authentication, rate limiting, validation and documentation - the reliable foundation for your website, mobile app and partner integrations.

Explore API development
APS Three AI - Healthcare ERP Platform
APS Three AI - Healthcare ERP Platform

APS Three AI

Healthcare ERP Platform

Real-Time Applications

Chat, tracking & live dashboards

Node.js excels at real-time work. We build chat, notifications, live tracking and collaborative features with WebSockets that stay fast under load.

Discuss your project
I-Connect - Business & Customer Portal
I-Connect - Business & Customer Portal

I-Connect

Business & Customer Portal

Microservices & Serverless

Microservices and serverless back ends

For growing platforms we split complex systems into focused services or serverless functions, so each part scales independently and costs stay under control.

Plan your architecture
EdMission - Web Platform & AI Chatbot
EdMission - Web Platform & AI Chatbot

EdMission

Web Platform & AI Chatbot

Modernisation

Upgrade and scale existing Node.js apps

We audit, refactor and upgrade older Node.js codebases - adding TypeScript, tests, better performance and modern deployment - without stopping your business.

Explore maintenance

Technology

Our Node.js stack

  • Node.js
  • TypeScript
  • Express
  • NestJS
  • GraphQL
  • PostgreSQL
  • MongoDB
  • Redis
  • Docker
  • AWS
  • Cloudflare
  • Vercel

Our process

How we build Node.js back ends

  1. 01

    API design

    Endpoints, data and security first.

  2. 02

    Build

    Typed, tested services.

  3. 03

    Integrate

    Front ends, apps and third parties.

  4. 04

    Operate

    Monitoring, scaling and support.

Why OneNext

Back ends you can rely on

TypeScript by default

Fewer bugs and easier maintenance.

Documented APIs

OpenAPI / GraphQL docs for every endpoint.

Security-first

Auth, validation and rate limits built in.

Observability

Logs, metrics and alerts from day one.

FAQs

Node.js Development

Node.js is used to build server-side applications in JavaScript or TypeScript - especially APIs, real-time applications, microservices, integrations and serverless functions.

Yes. Node.js handles large numbers of simultaneous connections efficiently and is used in production by many of the world's largest websites. Good architecture, caching and databases matter just as much as the runtime.

We use Express, Fastify and NestJS depending on the project, usually with TypeScript, PostgreSQL or MongoDB, and Redis for caching and queues.

Yes. We commonly pair Node.js back ends with React or Next.js front ends - see our MERN stack and React & Next.js services.

Yes. We write unit and integration tests and run them automatically on every change before deployment.

EdMission custom web platform
Frizda custom web platform
Krishna Vale custom website
The Abstract Room custom platform

Web development experts

Let's talk custom websites, web apps & digital products.

We design, develop, launch, support and grow custom websites and web applications. Talk to our team about your project.

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