Jesús Erro
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Pamplona · Navarra

Software consulting and development for data, automation, and web applications.

I build applications, data platforms, and automations that turn complex processes into useful, maintainable tools.

I combine 18.5 years of professional experience in business applications with current work in PostgreSQL, automation, and AI-assisted software development.

Programming since 1986.

The Sanctuary of Fátima at sunset, with a person walking towards the basilica.

Services

Services for turning processes and data into useful software.

I can help define, build, and evolve solutions shaped around the real problem.

Application consulting and development

Web applications, internal tools, and business systems designed around real operational needs.

Process automation

Workflows that reduce repetitive work and connect browser automation, documents, and existing systems.

Databases and data platforms

Models and integrations that turn dispersed information into traceable, maintainable structures.

AI-assisted software development

Development workflows with agents, explicit repository context, documentation, validation, and human supervision.

Technical consulting

Pragmatic analysis and planning for solutions and modernisation work that can evolve safely.

Explore all services

Experience

Experience applied to real-world systems.

A career connecting business applications with data, automation, and new ways of developing software.

18.5 years

At Centraldereservas.com

I contributed to the development and evolution of business applications and critical operational processes.

Current work

At IXATU

PostgreSQL, automation, and agent-assisted development applied to real projects.

View my experience

Selected work

Projects connecting software, data, and knowledge.

A selection of platforms, infrastructure, and evolving areas of exploration.

01In development

Store ETL

A personal PostgreSQL-based data platform for integrating books, reviews, APIs, people, places, and related knowledge.

  • PostgreSQL
  • Python
  • Dagster
  • FastAPI
02Personal infrastructure

Dotfiles and Devx

A reproducible environment for configuration, secrets, CLI tooling, documentation, and agent-assisted development workflows.

  • Chezmoi
  • SOPS
  • Age
  • Python
  • Git
03Published

Arburúa

A website for a confraternity and its local heritage, built with Astro and deployed through GitHub and Vercel.

  • Astro
  • GitHub
  • Vercel
Visit Arburúa
04Area of work

Reading and knowledge

Tools and data models for connecting books, notes, reviews, and personal knowledge sources.

  • Data
  • Knowledge
  • Publishing
Explore projects

Photography

Photography as a way of observing landscape, nature, and place.

A personal practice of taking time to observe, document places, and build an archive of my own.

  • Landscape
  • Nature
  • Place
  • Night sky
View photography

About

Software, knowledge, and a way of seeing.

I am a developer based in Pamplona, working at the intersection of software, data, automation, and knowledge. Photography and reading are part of how I observe, document, and build.

About me

Contact

Let’s discuss a real problem.

If you need to analyse, modernise, or automate a process, we can discuss the problem and assess a realistic solution.

View my work on GitHub Contact information