Arthur Torres

Data & Automation Engineer

Belo Horizonte, Brazil

About

I build data pipelines and AI-powered automations that reduce manual work and support operational decisions. Currently at Banco Inter's Global Operations team — Python automations, LLM agents, SQL dashboards. Previously at Akyou — end-to-end PDF accessibility solution with OpenAI API.

Stack

PythonSQLTableauDuckDBPyTorchOpenAI APIGroqGit

Experience

Banco Inter

Data & Automation Intern — Global Operations

Jan 2026 – Present

—Built Python automations orchestrating workflows, reducing manual work
—Developed LLM agents for contextual analysis supporting governance decisions
—Designed SQL dashboards delivering operational insights for global team

PythonSQLTableauLLM Agents

Akyou

Backend Engineer — AI & Accessibility

Apr 2025 – Dec 2025 · Remote

—Built end-to-end PDF accessibility solution using OpenAI API
—Developed LLM pipelines for unstructured document processing
—Handled API integration and output formatting from scratch

PythonOpenAI APILLM Pipelines

Projects

Financial Intelligence Dashboard

Live

End-to-end financial data pipeline with medallion architecture, LSTM trend classification and Text-to-SQL LLM interface.

PythonDuckDBPyTorchGroq APIStreamlit

GitHub

Vale Desenvolver 2026

Coming soon

Predictive analytics on 37M+ telemetry records from an iron ore mining fleet. Built for Vale's Programa Desenvolver 2026.

PythonPandasXGBoostSHAPDuckDB

GitHub

PDF Accessibility (Akyou)

Previous work

Automated PDF accessibility solution using OpenAI API — extracting and restructuring complex document content for end users.

PythonOpenAI APILLM Pipelines

Articles

May 3, 2026·8 min read
Designing Financial Features: The Math Behind RSI, MACD, and Rolling Statistics
A deep dive into the math behind common financial indicators: daily return, moving averages, RSI, MACD, and volatility, and how they transform raw market data into actionable signals.
Read
Jun 15, 2026·8 min readComing soon
How I built a financial data pipeline using the medallion architecture
A deep dive into building a bronze-silver-gold data pipeline for financial analytics with DuckDB and Python.
Jun 22, 2026·12 min readComing soon
Training my first LSTM for stock trend classification — what worked and what didn't
Lessons learned from building a PyTorch LSTM model for predicting stock price trends.
Jul 1, 2026·10 min readComing soon
Building a Text-to-SQL interface with LLMs and DuckDB
How I built a natural language interface for querying financial data using Groq API and DuckDB.

Skills

Languages

PythonSQLTypeScript

Data

DuckDBPandasTableauPlotlyStreamlit

ML / AI

PyTorchOpenAI APIGroqLLM Agents

Cloud

AWS(in progress)

Tools

GitGitHubDockerAirflow(in progress)

Certifications

Lean Six Sigma Yellow BeltAWS Cloud Practitioner(planned)

Contact

arthuroliveiratorres@gmail.com linkedin.com/in/torres-arthur github.com/tutorres