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Emilio Rodríguez

Software & AI Engineer · Founder of Arclo Systems

Scroll down to start the first episode.

Episode 1: First, the degree.

Universidad Invenio · 2022–2026

Licentiate degree · Universidad Invenio · 2022⁠–⁠2026

Enterprise Information and Communication Technologies

invenio.ac.cr (opens in a new tab)

Episode 2: Then, the test.

GSIT · 2022–2024 · QA, .NET Developer & Project Manager

GSIT 2022–2024

Costa Rica · Nicaragua · Guatemala

Clients in banking, retail, tourism and industry.

  1. Test plans.
  2. Automated suites.
  3. .NET code.
  4. Scrum projects.

Episode 3: No signal.

Novelteak · 2024–2025 · Programmer Analyst

Novelteak 2024–2025

Costa Rica · Nicaragua

Ionic, Angular, Express and SQL Server.

  1. System migrations.
  2. An offline-first app.
  3. A multi-tenant platform.
  4. Departments and role-based access.

Episode 4: Still writing code.

Arclo Systems · 2025–present · Founder & CEO

Arclo Systems 2025–present

Today I lead the architecture and the team at Arclo Systems, and I still write the code.

  1. Architecture.
  2. The team.
  3. Engineering standards.

Episode 5: What I build.

7 projects · 2025–2026

Projects

  1. 01 / 07 · Arclo Systems · 2026

    Kodi - Estudiá y aprobá

    Prep app for university admission, national tests and driving licenses. Over 3,000 users.

    My role: Design, development, infrastructure and release

    View the projectVisit the site (opens in a new tab)

  2. 02 / 07 · Arclo Systems · 2025

    Transportes Acaya

    It replaced the system and spreadsheets they ran on. They now invoice over 1,500 trips from it.

    My role: Requirements, architecture and development

    View the projectVisit the site (opens in a new tab)

  3. 03 / 07 · Arclo Systems · 2026

    ERP de Arclo Systems

    CRM, projects and double-entry accounting in one system, with 2FA, audit logs and an MCP server.

    My role: Architecture and development

    View the project

  4. 04 / 07 · Arclo Systems · 2026

    API de facturación electrónica

    Issues, signs and validates Costa Rica e-invoices in-house; its AI follows each invoice through to the tax return.

    My role: Architecture and development

    View the project

  5. 05 / 07 · Personal · 2026

    Gaceta AI

    Ask Costa Rica's official gazette in plain language: code-verified citations and alerts on what affects you.

    My role: Architecture, development and research

    View the project

  6. 06 / 07 · Personal · 2026

    T-Ledger

    You record one movement and the ledger writes the double entry. Personal finances for you, your partner or your family.

    My role: Architecture and development

    View the projectVisit the site (opens in a new tab)View the code (opens in a new tab)

  7. 07 / 07 · Personal · 2026

    emiliorb.com

    This portfolio, in Spanish and English, with light and dark themes and hand-built animations.

    My role: Design and development

    View the project

Episode 6: What I research.

Research · Press

Research and press

  1. In preparation · Working title

    Reliability by engineering: a RAG over Costa Rica's official gazette

    How much of a legal RAG's reliability comes from verifiable engineering decisions rather than more sophisticated retrieval.

    Project: Gaceta AI

    View the paper

  2. In the press · El Financiero · October 2, 2026

    Esta app puede ayudarle en sus exámenes de admisión a universidades, de manejo y del MEP.

    Read the article (opens in a new tab)

  3. In the press · NTG Costa Rica · September 30, 2026

    Talento de Tilarán crea Kodi, una aplicación que busca cambiar la forma de estudiar para los exámenes.

    Read the article (opens in a new tab)

Episode 7: What doesn't fit in a CV.

Books · Chess

Books I recommend

See all the books
  1. Cover of The Goal, by Eliyahu M. Goldratt
  2. Cover of The Phoenix Project, by Gene Kim, Kevin Behr, George Spafford
  3. Cover of Crisis Engineering, by Marina Nitze, Matthew Weaver, Mikey Dickerson
  4. Cover of The Infinity Machine, by Sebastian Mallaby
  5. Cover of AI for Good, by Josh Tyrangiel
  6. Cover of How Great Ideas Happen, by George Newman

Start with The Goal

A system performs as well as its bottleneck, and improving the rest does nothing. It's the theory of constraints.

Chess

I play chess. I lose almost as often as I win, and learn from both.

Loss vs zivhik (427), by checkmate. With white.

Rapid 405 · Best 826

View the game on chess.com (opens in a new tab)My chess.com profile (opens in a new tab)

Next episode

What are you working on?

emiliorb@arclosystems.com

I get back to you the same day.

GitHub (opens in a new tab)LinkedIn (opens in a new tab)