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matheusvfarah/README.md

Matheus Farah

Back-End Developer · AI Integration · Automation

Information Systems @ UEMG · Brazil

LinkedIn Email

About

Back-end developer focused on process automation, AI integration, and workflow optimization. Building tools at the intersection of systems design and knowledge management — from payment infrastructure for the hospitality industry to local AI daemons for personal knowledge bases.

Stack

Languages

Node.js TypeScript JavaScript C# Java Go

Frontend

Next.js React TailwindCSS

Tooling

n8n MySQL Docker Git Electron

Projects

Atropos

Knowledge decay engine for Obsidian vaults.

A local desktop daemon that applies programmed entropy to Markdown files based on inactivity. Notes that are not revisited lose their graph connections, get disconnected from the knowledge network, and are eventually compressed by AI into a single archival sentence — while the original is always preserved.

  • Three-phase decay cycle: Drought → Disconnection → Dissolution
  • Mandatory Git snapshot before any destructive operation
  • Multi-provider AI compression via Google Gemini and Anthropic Claude
  • Optional local semantic connections via Ollama and nomic-embed-text
  • Interactive D3.js force graph with per-node decay state visualization
  • Cross-device sync via Git remote with automatic conflict resolution
  • Built with Node.js and Electron, runs as a background system tray daemon

View Repository

FreePago

Service charge and freelancer payment management for restaurants and bars.

A full-stack platform built entirely from scratch to solve a specific friction point in the Brazilian hospitality industry — the 10% service charge. FreePago automates the calculation, distribution, and tracking of service fees across staff, and extends to full freelancer payment management with AI-powered analytics and visual dashboards.

  • Automated 10% service charge calculation and distribution per shift and staff member
  • Freelancer payment management with configurable rules and scheduling
  • AI-powered insights for revenue trends, staffing costs, and payout forecasting
  • Dashboard with charts covering service charge history, individual earnings, and freelancer balances
  • Built for restaurant and bar owners who need precision and transparency in variable staff compensation

freepago.com.br

Game Development

I also write GML and ship games independently. Full portfolio at z4z.studio.

Open to collaborations in automation, AI integration, and backend development.

Pinned Loading

  1. atropos atropos Public

    A local daemon that applies programmed entropy to Obsidian vaults. Notes decay, disconnect, and dissolve. The knowledge that survives proves its worth.

    JavaScript 6

  2. cli-dashboard cli-dashboard Public

    Architecture lab: Portfolio dashboard (CLI & Web) that renders interfaces consuming real-time data directly from Obsidian Markdown files.

    TypeScript

  3. codeflow codeflow Public

    Interactive CLI that maps functions, imports and exports across your entire codebase with keyboard navigation. Supports JS, TS, Python, Go, C/C++ and Java.

    JavaScript

  4. reminder-api-fastapi reminder-api-fastapi Public

    Decoupled reminder system. A proof of concept combining FastAPI's speed and typing on the backend with a premium user experience built in Next.js.

    TypeScript