Technologies

NodeJS Development Services

Fullstack Development | Web Apps | Real-time Services

software development and outsourcing

Grow your Node.js capabilities with full software delivery

Our Node.js software services help you design, build, and evolve robust, scalable applications—built for production from day one. From API layers and real-time services to event-driven and microservice architectures, we focus on performance, reliability, and clean maintainability.

Whether you’re launching a new product, modernising legacy back-end services, or scaling what you already have, we bring the engineering rigour to deliver confidently. Expect clear ownership, pragmatic architecture, strong DevOps practice, and a team that partners closely with yours to get working software into users’ hands—fast, safely, and without disruption.

 

Our Node.js development expertise

With the growing demand for Node.js developers, we have grown our client portfolio across different countries and industries such as renewable energies, logistics and more.

scalable java applications

Developing scalable web applications with Node.js

java enterprise software

Building large-scale, complex applications from scratch

cloud native software applications

Software integration, optimisation, and migration projects

bigdata solution database

Product development, PoCs, reduction of technical debt and more

Why Zartis

zartis software services client testimonial
We experienced a period of rapid growth and needed to scale up one of our teams quickly. Zartis was pivotal in enabling us to do this, sourcing a team of high-calibre engineers in Madrid and taking care of all of the logistics from interviewing to the provision of office space and IT equipment. The engineers and Zartis in general are professional, reliable and a pleasure to work with.
ben white
Ben White
Head of Engineering | Kaluza
Developers
100 +
Projects
30 +
INDUSTRIES
1 +
LOCATIONS
1 +

NodeJS case study

Kaluza required expert software engineers, who can not only hit the ground running but proactively contribute to new product development. Our engineers contribute with multiple technologies including Node.js, React, and TypeScript.

Technologies:

Some of the front-end technologies we work with

angular

Angular

react logo

React

vue.js logo

Vue.js

Node.js

NodeJS

Scala language

Scala

Next.js icon black

Next.js

expressJS

Express.js

clinic.js logo

Clinic.js

koa.js logo

Koa.js

node js testing library Chai

GWT

PM2 logo

PM2

Snyk

hapijs

Hapi.js

We deliver Node.js projects across many industries

Work with experienced frontend experts specialised in your industry

ai for financial services

Financial Services

Delivering robust, compliant financial solutions for seamless and secure transactions.

ai for climate

Energy & Climate

Driving digital transformation towards smarter, more sustainable energy management.

ai for healthcare software

Healthcare & Life Sciences

Building secure, patient-centric systems that improve care and streamline operations.

ai for regulatory compliance

Regulatory Compliance

Driving regulatory compliance through secure, intelligent software solutions.

ai for logistics and supply chain

Logistics & Supply Chain

Optimising supply chains with intelligent software for visibility, speed, and efficiency.

ai for telecommunications

Telecom

Enabling next-generation connectivity with agile, high-performance tech solutions.

ai for education software

Education

Empowering educators and institutions through scalable digital learning solutions.

Benefits of Node.js development

Easy to learn

JavaScript and languages that transpile to JS are much easier to learn compared to others.

Fullstack

With the help of Node.js, you can use JS to develop both frontend & backend applications.

Performance

Web applications developed with Node.js can handle high loads of traffic with ease, allowing a better user experience.

Support

The Node.js community is full of active contributors, supporting each other and the numbers keep growing.

Are you an engineer looking for your next challenge?

Find your people. Build your path. Make an impact.

Ship high-performance Node.js systems—without the delivery risk

Let’s build high-performance Node.js applications that scale with your business.

nodejs software development
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