Featured Projects

A selection of high-impact applications and AI models.

Full Stack

Health Monitor

Maranhão health transparency portal with around 50 public Power BI dashboards.

Power BILaravelPostgreSQL
Full Stack

Maranhão Hunger-Free Program

Family registration platform with a target of 400k beneficiaries across 217 cities.

LaravelMySQLJavaScript
MobileData Science / AI

Plandox

Modernization from legacy to microservices with AI for quality control.

React NativeFastAPIMicroservices
Data Science / AIFull Stack

FoodReview Insights Agent

Autonomous AI Agent analyzing delivery reviews using RAG and LangChain.

PythonLangChainRAG
IoT / Distributed Systems

IoT Fall Detection Monitoring

Distributed system for elderly fall detection, sustaining 1,000 devices at 5k msg/s with zero errors.

PythonMQTTAWS
Data Science / AI

Spatiotemporal Analysis of Childhood Excess Weight in Maranhão

Ecological study over 9.6 million SISVAN records: where and in whom excess weight concentrates.

PythonGeoPandasSpatial Statistics
Data Science / AI

Childhood Excess Weight Prediction in Maranhão

ARIMA and Prophet forecasts to 2026 across 30 series, from the state down to each health region.

PythonARIMAProphet
Full Stack

Hospital Notification System (RENAVEH)

System with 2FA and RBAC for hospital epidemiological surveillance. +72k cases notified in 98 units.

LaravelMySQLJavaScript
Full Stack

SISHANS - Leprosy Information System

System for recording and monitoring leprosy cases with 5.6k patients across 50 municipalities.

LaravelPostgreSQLJavaScript
Data Science / AI

AI-Powered RFM Customer Segmentation

Complete Machine Learning pipeline to classify customers into 5 strategic clusters.

PythonMachine LearningScikit-learn
Mobile

Hans+

Mobile app to assist in leprosy treatment.

FlutterFirebaseNoSQL
Full Stack

RELAB - Laboratory Network

Platform for registering laboratories in the LACEN-MA network with automatic CNES API integration.

LaravelPostgreSQLReact
Full Stack

Personal Portfolio

Modern portfolio with dark theme, animations and multi-language support (PT/EN).

Next.jsTypeScriptTailwind CSS
Data Science / AI

Real Estate Prediction (California)

ML pipeline for real estate price prediction with hyperparameter optimization.

PythonML PipelinePandas