Things I've built.

Production FastAPI service at TrainWithMe that schedules and runs browser automations on top of WebGraph, with webhook intake and a review UI.

• Python
• FastAPI
• WebGraph
• Cloudflare Workers
• AWS

Four-tier browser automation framework with auto-escalation across DOM, accessibility tree, and vision workers.

• Python
• LangGraph
• Playwright
• Gemini
• TypeScript

Native Android app for TrainWithMe — multi-module Kotlin with a shared cross-platform module.

• Kotlin
• Android
• Gradle
• Kotlin Multiplatform

Multi-service management platform for Path of Titans game servers — full-stack, self-hosted, live at faunasemireal.com.br.

• Next.js 16
• FastAPI
• discord.js
• LangChain
• PostgreSQL
• Docker

C++ machine learning toolkit (classification, regression, clustering, feature selection) co-authored at UFJF.

• C++17
• Academic

First C++/Qt control system for UFJF's robot soccer team — computer vision, strategy, and robot control.

• C++
• Qt
• OpenCV
• Academic