Work

What we've built

Projects we have been responsible for from start to finish, each with its challenge, solution and result.

For confidentiality, clients are described by sector.

01 · Business call centre

Private voice agent on the client's own servers

A complete Spanish-language voice agent, connected to the phone system and tested on real calls, with no data leaving the client's network.

< 2 s

response time, end to end

Challenge

The client wanted to automate phone support on one non-negotiable condition: no conversation could leave their network.

Solution

We built the agent on top of their phone system: speech recognition, an open language model and speech synthesis on their own GPU, with audio processing, natural interruption, search across their documentation and traceability for every turn.

Result

Real calls handled end to end with responses in under 2 seconds, in natural Spanish and with all data kept inside the client's network.

  • Asterisk
  • faster-whisper
  • vLLM
  • Mistral
  • Piper
  • Qdrant
  • Langfuse

02 · Industry

Real-time data platform with an AI assistant

An industrial telemetry platform with real-time alerts and an assistant that answers questions about and acts on the live data.

1,000+

connected sensors

Challenge

A data platform maintained by more than 20 engineers was handed to a small team after a company restructuring.

Solution

We took over the platform and led the team: real-time data ingestion on AWS, validation and routing of time series, detection of critical events and alerts, a data lake for the data science team and an AI assistant on the live data.

Result

The platform kept running and evolving with a fraction of the original team.

03 · Online learning platform

Full migration from AWS to Azure

A learning platform with several independent clients, being moved from AWS to Azure in phases.

100,000+

users on the platform

Challenge

Moving a platform with more than 100,000 users to another cloud provider without disrupting any of its clients.

Solution

A new platform on Kubernetes in Azure, with all infrastructure defined in Terraform and automated deployments. Migration one client at a time.

Result

In progress, in phases: each client is migrated and validated independently.

04 · Multinational energy company

Infrastructure as code and automated deployments

From week-long manual deployments to a one-hour automated process, for a platform serving several clients.

1 hour

per deployment (was one week)

Challenge

Every deployment of the platform was manual and took a week's work.

Solution

We moved all the infrastructure to Terraform and automated the deployments in Azure DevOps.

Result

Deployment time dropped from a week to an hour.

05 · Restaurant software

AI in production from scratch

Getting a product team started with AI: platform, traceability, quality checks and ways of working.

2 months

from zero to production

Challenge

A product team wanted to add AI to its software with no previous experience of taking it into production.

Solution

We chose and introduced the platform (AWS Bedrock with Claude models), with traceability and evaluation in Langfuse, and set up the working patterns: tool calling, structured output, prompt versioning, content and personal data filters, and regression tests.

Result

AI in production in two months, on a foundation the team adopted.

06 · Digital agency

Technical audit and development with AI agents

A full audit of an agency's software, fixes for its security risks and a method that lets a non-technical team build with AI agents.

Audit

security, costs and agent-based development

Challenge

An agency with many internal applications, no in-house technical team and undetected security risks.

Solution

An audit of all their software, fixes for the most serious security flaws, consolidated infrastructure to cut costs, and a spec-driven development workflow with AI agents, reviews and checks.

Result

Critical risks fixed, infrastructure unified and a non-technical team able to evolve its own software with AI agents.

Own product · available

GestoIA: invoices turned into bookkeeping

Alongside client projects, we have GestoIA, our own product, already live, for accounting firms: it reads invoices and receipts and prepares the journal entries. You can see it working at gestoia.es. It is the basis of our document processing and invoicing services, and the same technology adapts to each country's chart of accounts and taxes.

  • Automatic reading of invoices and receipts
  • Account classification and journal entries in seconds
  • Exception review and traceability for every entry

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