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idxSoftware
ES

End-to-end product work

Custom software development

Web apps, APIs and portals built like a product: clean architecture, automated tests and continuous delivery from the first sprint.

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Most software projects don't fail on technology, they fail because nobody held the discipline: no tests, no environments, no way to know what broke. We deliver product — something another team can pick up, understand and keep evolving after we're gone.

What we build

  • Web apps and portals

    Customer portals, back-offices and internal tools in React, accessible, responsive and genuinely fast.

  • APIs and services

    REST and gRPC APIs documented with OpenAPI, versioned, with authentication, rate limits and contracts that don't break your consumers.

  • Legacy modernization

    We pull the critical pieces out of the monolith incrementally, without switching the business off: strangler pattern, dual writes and phased migration.

  • Event-driven architecture

    Queues, streams and async processing for when the system has to absorb spikes without falling over.

  • Product and experience

    Discovery, clickable prototypes and a design system. If the user doesn't get it, the quality of the backend doesn't matter.

  • Automated quality

    Unit, integration and end-to-end tests in the pipeline; static analysis and dependency scanning on every pull request.

What you end up with

  • A system in production, with monitoring and a rollback plan
  • A documented repository and a reproducible pipeline
  • Test coverage where it actually matters
  • Zero dependency on us to operate it

What we use

  • TypeScript
  • React
  • Python
  • FastAPI
  • Node.js
  • Go
  • PostgreSQL
  • OpenAPI

FAQ

Can you join a project already underway?

Yes, and we often do. We start with a two-week technical review to understand the code, the risks and the debt before committing to dates.

How do you estimate?

After discovery, in ranges with explicit assumptions. We'd rather say eight to twelve weeks and show the reasoning than give a round number nobody will hit.

Do you work alongside our in-house team?

Yes. We can join your ceremonies and repositories, or run in parallel with coordinated deliveries.

Tell us what you want to build

Thirty minutes, no slide deck. We leave the call with a clear read on scope and on whether we're the right team.

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