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mberrueta/readme.md

Matias Berrueta

Backend & Systems Engineer.

20+ years building and operating backend systems for fintech, billing and operational platforms.

Currently focused on Elixir systems and AI runtimes.

Open Source Projects

LemmingsOS

Distributed operating system for AI agents built on Elixir / OTP.

Worlds contain Cities (nodes), which host Departments composed of Lemmings (agents) executing autonomous tasks.

Focus areas:

  • agent orchestration
  • runtime supervision
  • distributed execution
  • tool safety and governance

https://github.com/mberrueta/lemmings-os

Aurum Finance

Open-source wealth management system for individuals and businesses.

Features:

  • multi-entity financial accounts
  • investment tracking
  • bank statement analysis
  • AI-driven insights

Designed to run entirely on your own infrastructure.

https://github.com/mberrueta/aurum-finance

Production System

DoctorSmart

https://doctorsmart.com.br

Healthcare platform used by clinics and doctors for scheduling, payments and daily operations.

Built with:

Elixir / Phoenix / LiveView
PostgreSQL
Fly.io

Background

Previously worked on financial and billing systems at:

Nubank
BlockFi
Equinix
Versapay
CreditNinja

Engineering Interests

  • backend architecture
  • distributed systems
  • financial platforms
  • AI runtimes
  • developer tooling

Pinned Loading

  1. aurum-finance aurum-finance Public

    Open-source wealth management for individuals and businesses. Multi-entity accounts, investments, and AI-driven insights from your bank statements — running entirely on your own infrastructure.

    Elixir

  2. lemmings-os lemmings-os Public

    LemmingsOS — Distributed operating system for AI agents. Worlds contain Cities (nodes), which host Departments composed of Lemmings (agents) executing autonomous tasks.

    Elixir

  3. finance-reading-hub finance-reading-hub Public

    Un hub de lectura minimalista para libros de finanzas e inversiones, enfocado en ideas diarias y memoria a largo plazo.

    JavaScript