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L3 · node · python · go · apis

Backend and API development

We build REST and GraphQL APIs, event queues and batch jobs with versioned contracts and observability from the first deploy. We integrate ERPs, payment gateways, IoT devices and long-running systems without breaking them.

Let’s talk about your project →

What you get

  • ■ Documented API (OpenAPI)
  • ■ Third-party integrations
  • ■ Contract tests
  • ■ Traces and metrics

Technologies

  • Node.js
  • Python
  • Go
  • GraphQL
  • PostgreSQL
  • MongoDB

Living documentation

From context to code.

Every delivery is documented across the four levels of the C4 model, so your team understands the system without depending on us.

  1. C1Context
  2. C2Containers
  3. C3Components
  4. C4Code

Projects

We have done it before.

Proyecto ACP — Patient follow-up in psychiatric centres
Healthcare

Proyecto ACP

Patient follow-up in psychiatric centres

Node.js · FeathersJS · MongoDB

ISOTUBI — Real-time industrial plant control
Industrial & IoT

ISOTUBI

Real-time industrial plant control

Node.js · FeathersJS · MongoDB

The Neo Market — Marketplace for local shops
Marketplace

The Neo Market

Marketplace for local shops

Vue · Go · MongoDB

Contact

Shall we talk?

Tell us what you want to build, or what isn’t working. We reply within 24 hours.

Book 30 min with an engineer →

or write to c.perera@kodo-360.com