Cruzata
Back end

Node.js Development Services for APIs and Real-Time Applications

Node.js lets us build fast, event-driven back ends in the same language as your front end, with structure and testing that keep them maintainable.

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Node.js done properly

Node.js is excellent for API-heavy, real-time and I/O-bound systems. Without structure it also produces tangled codebases, so we use TypeScript, NestJS conventions and rigorous testing from the start.

The result is back ends that are quick to build, easy to reason about and straightforward to hand over.

  • TypeScript and NestJS structure
  • REST and GraphQL APIs
  • Queues, workers and scheduled jobs
  • WebSockets for live features

Typical uses

APIs
Web and mobile back ends
Real-time
Chat and live data
Integration
Webhooks and ETL
Serverless
Event functions

What we build

Core services for products.

  • Authentication and RBAC
  • Business logic
  • Payments and notifications
  • Admin APIs

Live experiences.

  • Chat and messaging
  • Live dashboards
  • Tracking
  • Collaboration

Connect systems.

  • Third-party APIs
  • Webhooks
  • Queue processing
  • Data sync

Node.js ecosystem

Frameworks

  • Node.js
  • NestJS
  • Express
  • Fastify
  • TypeScript
  • tRPC

Data & messaging

  • PostgreSQL
  • MongoDB
  • Redis
  • Prisma / TypeORM
  • RabbitMQ
  • Kafka

Quality & ops

  • Jest
  • OpenAPI
  • Docker
  • AWS Lambda
  • PM2
  • OpenTelemetry

Related solutions

Outcomes we deliver with this.

Services we provide

Engineering and design capabilities behind it.

Industries we serve

Typical sectors where we deliver this.

Hire specialists

Add engineers who work in this space.

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Databases

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FAQ

Node.js: frequently asked questions

APIs, real-time applications, microservices and I/O-heavy back ends, particularly alongside JavaScript or TypeScript front ends.

Yes. With the right architecture, caching and horizontal scaling it powers large production systems.

Node.js suits API and real-time work; Python suits data, AI and rapid back-end development. We choose by project.

Yes, by default, for safer and more maintainable code.

Start your node.js project

Tell us what you are planning. We will reply within one working day with questions or a clear next step.