📦 Split buffers and streams into smaller chunks for smooth HTTP uploads and accurate progress tracking.

Aplicação full-stack para monitoramento de elevadores. Inclui API RESTful com JWT, pipeline ETL com Pandas e detecção de anomalias com Scikit-learn. Challenge FIAP/OTIS.

SimplEx - simple expression language

Machine learning and data processing in Javascript

An intuitive and flexible RDF pipeline solution designed to simplify and automate ETL processes for efficient data management.

A minimalist (geospatial) ETL

This project hosts scripts to generate flat tables used for reporting purposes.

Dataplane is an Airflow inspired unified data platform with additional data mesh and RPA capability to automate, schedule and design data pipelines and workflows. Dataplane is written in Golang with a React front end.

Wharfie is an experimental table-oriented data application framework built ontop of AWS Athena.

CLI tool for extracting values of a specific field from a MongoDB collection and saving them into a target collection. Supports batching, large dataset processing, and flexible write configurations.

Fetch & analyse blockchain tickets. View leaderboards and user tickets. Calculate and perform provably fair airdrops.

A desktop WhatsApp data collector (Electron + @open-wa/wa-automate) and an LLM-based sentiment pipeline (Python + OpenAI) used to analyze 23k messages from 28 WhatsApp groups across two faculties, covering ~7k participants. We test hypotheses about group culture (Psychology vs CS) and mood trends across a semester.

Dag server based on quartz, allows to execute batch processes modeled as DAG (Direct Acyclic graph). Inspired by Apache Airflow and IBM Datastage

The Loaders for GraphKB. Imports content from external sources via the GraphKB REST API

A web application for intuitive exploration and analysis of InfluxDB data. It features interactive query building, data transformations, joins, dynamic plots, and easy downloads to simplify time-series analysis.

View my digital CV! Designed by Xiaoying Riley

A Node.js tool to extract, transform, and export Salesforce data to JSON. This lightweight ETL tool connects to Salesforce, retrieves object data, applies custom transformations, and outputs clean JSON files ready for use in other systems or workflows.

Design Pattern for Dashboard analytics - metrics with time-series data | E-commerce catalogs - products with reviews and ratings