Level: Lead
Experience: 20 years
Location: Brazil
English: C1

André

AI & ML Principal Architect

André is a seasoned AI/ML Principal Architect with over 20 years of cross-functional expertise spanning machine learning, big data, data engineering, cloud platforms, and enterprise architecture. He has led international projects across Brazil, Portugal, the US, and Europe, implementing advanced ML pipelines, LLM-powered solutions, and real-time data systems. His recent focus includes GenAI, prompt engineering, and RAG, designing frameworks around OpenAI, LangChain, and multi-cloud environments. A strategic thinker and strong team leader, André excels in delivering scalable, secure, and production-ready data solutions.

Main expertise

Python

Java

Scala

SQL

Keras

LangChain

PHP

PostgreSQL

Node.js

FastAPI

HTML5

Other skills

PyTorch

MLflow

Spark MLlib

AWS

Kafka

Employment

Enterprise Solutions Architect

2024-09 – Present

André advises the tech department on aligning enterprise architecture with business strategy, particularly in energy and utilities. He leads cloud-native design, implements shared infrastructure, and drives compliance audits. He builds prompt frameworks for GPT-4 and Gemini, conducts LLM performance tuning, and implements CrewAI and LangChain-based agent strategies.
Prompt Engineering, RAG, CrewAI, LLMs (GPT-4, Gemini), Architecture
AI & ML Principal Architect / Engineer

2022-04 – 2024-07

Led global ML/data projects for clients in Europe and North America. Delivered generative AI use cases, sensor analysis, computer vision, and sentiment analysis pipelines. Built ML pipelines using Databricks, Snowflake, Airflow, Spark, and integrated with cloud-native services.
LLM, RAG, Spark, Databricks, MLflow, LangChain, Snowflake, CV, NLP
Data Engineering Team Leader

2021-09 – 2022-04

Managed cross-functional engineering teams using AWS and Azure. Implemented real-time inference systems and Spark pipelines in multi-region Kafka clusters. Advocated Data Mesh principles and drove architectural improvements across cloud platforms.
AWS EMR, SageMaker, Azure Synapse, Databricks, Kafka, Python, Scala
Senior Data Scientist / AI & ML Engineer

2020-11 – 2021-09

Architected and implemented data pipelines and ML systems for on-prem and cloud migration. Led ingestion and transformation of massive datasets using PySpark, Redshift, MongoDB, and Athena.
Databricks, Spark, PySpark, MongoDB, Athena, S3, SQL Server
Project Leader

2020-05 – 2020-11

Led big data initiatives in telecom, designing Hadoop-based architecture. Developed ingestion workflows and data pipelines in Spark, Kafka, Hive, and Java/Scala.
Hadoop, Spark, Kafka, Hive, Java, Scala, PySpark
CTO / Principal Software Engineer

2012-02 – 2020-03

Delivered AI/ML solutions in retail, banking, and social media analytics. Worked on intelligent prosthetics and biomedical signal processing. Built web/mobile reporting tools for cloud data visualization.
Scikit-learn, Pandas, TensorFlow, Java, R, Scala, Firebase, AWS, GCP
National Director

2011-02 – 2012-01

Led AI and IoT project sales in Latin America. Focused on business expansion and smart device integration.
AI, Home Automation, IoT
Sales & Marketing Director

2008-03 – 2011-02

Managed development of hospitality and SPA technology infrastructure in LATAM and North Africa.
ERP SAP (FI, CO, MM, PP, SD)
Sales Analyst, National & Intl. Projects

2002-12 – 2007-08

Built multimodal logistics and international trade solutions through cabotage integration.
Sales & Service Manager

2000-08 – 2002-10

Established nationwide sales and service network for cooling logistics systems.
National Logistics and Assets Manager

1997-07 – 2000-07

Oversaw logistics and reverse supply chain across 160+ stores nationwide.
Technical Director and Sales Rep

1995-06 – 1997-06

Trained and managed multidisciplinary tech teams in northeastern Brazil.

Education

MBA in Strategic Intelligence

Faculty of Great Fortress
Business Administration

UFRJ & Brazilian Army, Bahia State University