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Welcome!
I'm Hélio Ribeiro,
Senior Data Engineer.

ABOUT

Result driven.

Data Engineer with 5+ years of experience. Good with Azure, GCP, AWS, Python, SQL, Spark, Airflow and more. Comfortable with multi-cultural environments.

Able to build and deploy data pipelines, agentic AI systems and RAGs, dashboards, as well as run and explain machine learning algorithms and data analysis tasks.

Fluent in English 🇺🇸, Spanish 🇪🇸 and Portuguese 🇧🇷.
(Studying Dutch 🇳🇱).



CAREER

My journey so far.



Tech Seals 🇳🇱
Senior Data Engineer
May 2025 - PRESENT

Tech Seals hires senior developers for Dutch companies.

Highly skilled migrant 🇳🇱

MINSAIT | INDRA 🇧🇷
Senior Data Engineer
June 2024 - May 2025

Minsait is part of Indra: A leading global technology company based in Spain with over 57,000 employees worldwide.
Supervised a team of 4 Data Engineers.
• Designed new Cloud Architecture which resulted in cost reduction of LLM based chatbots by 132.9X per message and a 6.8X reduction in Time to Market (TTM).
Deployed chatbot that handled 120k monthly messages with integrated data pipeline, enabling an end to end solution with Microsoft Azure, Microsoft Fabric and Power BI.
Migrated Terabytes of legacy, on-prem data using PySpark, Airflow and CI/CD best practices (Kimball Model).

UCLOUD - THE GLOBAL GOOGLE PARTNER 🇧🇷
Data Engineer & AI Engineer
November 2023 - June 2024

uCloud is an award-winner, fastest growing Google Cloud Partner in LATAM.
Deployed AI Agents using DialogFlow CX, including voice features, averaging 15k monthly messages.
Reduced NLP workflows Time to Market (TTM) by more than 1000x with BigQuery and Gemini integrations.
Built 10+ dashboards for internal management with Looker and BigQuery.

GENOVA 🇧🇷
Data Engineer & AI Engineer
June 2020 - November 2023

Deployed APIs, Text 2 SQL solutions on serverless services.
Coded multiple Python, serverless functions on AWS Lambda for data extraction and ingestion tasks.
Built 15+ Dashboards with Power BI and Power Query.

AGCO CORPORATION 🇧🇷
Engineering Intern
January 2018 - January 2020

• Developed mathematical modeling for project design and eliminated electrical testing on machines due to the accuracy, saving 2-3 weeks and over 30k USD per project.
• Presented problem solutions to managers of cross-functional teams.



Education

My enlightening experiences.



MSc - Biomedical Engineering
UMC - Universidade de Mogi das Cruzes 🇧🇷

RESEARCH: Coronary Artery Disease (CAD) prediction and prevention by use of Machine Learning.
Applied Python, Data Wrangling and Data Prep techniques for Machine Learning.
• Emphasis on Machine Learning techniques for cardiovascular disease prevention.

MBA - Marketing
ESPM - Escola Superior de Propaganda e Marketing 🇧🇷

• Learned professional management of people and business with a data-driven approach backed up by cases and articles.
• Special emphasis on customer behavior and experience within a company's services and products.

Spec -Data Science
DSA - Data Science Academy 🇧🇷

• Learned to generate business value through data using technologies like Python, R, Machine Learning, and Cloud services.
• Focused on business consulting, how to use data to gather insights and best practices.

BSc - Electrical Engineering
UMC - Universidade de Mogi das Cruzes 🇧🇷

• Learned C++ and Python for signal processing and mathematics tools such as statistics, Fourier, and Laplace.
• Developed final IOT project on Arduino for automatic light dimming based on current environment brightness.

Projects

A bit of my work.

Google Cloud Storage, BigQuery, SQL & Python Project

Heart Attack:
Do low temperatures increase the number of cases?

Project Link

Complete project from inspection to analysis, using Google's ecosystem (Cloud Storage, BigQuery, Colab). According to experts, the number of heart attacks increases when the temperature drops, more specifically below 14°C (57°F). How does this statement hold up by analyzing a sample from a particular city?

R Project (Analytics, Consulting and Machine Learning)

HR Analytics:
What factors mostly cause friction in the workplace?

Project Link

R Project with several insights and use of Classification Algorithms, such as Generalized Linear Models (GLM), Recursive Partitioning and Regression Trees (RPART). In this project I propose data-driven decisions to the HR.

Apache Spark, Kafka & Python Project (Real-Time Analytics and Machine Learning)

Real-Time Recommendation System

Project Link

Recommendation systems are a game-changer when we talk about user experience and relevant customization to drive sales and retention.

Apache Spark, Kafka & Python Project (Real-Time Analytics and Machine Learning)

Measuring the temperature of industrial equipments in real-time

Project Link

The "Real-Time Industrial Analytics with Spark and Kafka" project is a game-changer in the realm of industrial automation. By harnessing the capabilities of Apache Spark and Kafka, this innovative project paves the way for data-driven decision-making, predictive maintenance, and improved overall efficiency in the industrial sector. It exemplifies the tremendous potential of combining big data processing with real-time streaming analytics and serves as a beacon of the future of industrial analytics.

Looker Dashboard (Multiple fact tables schema + ETL + BigQuery Integration)

(SOON) Sales Department Dashboard & Business KPI

Project Link

Learn how it was possible to save the manager's time 6 hours a week and improve weekly meeting duration up to 500%. (WIP)

GEN AI: Gemini (LLM), BigQuery, Chainlit, Speech-To-Text, Image Generation

(SOON) Text2SQL with Gemini and BigQuery

Project Link

Work in Progress.

Recommendations

What people say.

"Helio has an incredible ability to absorb knowledge, apply it and even innovate!
He spent 2 years working on my team as an intern, but behaving and assuming the responsibilities of an Engineer. In addition to having a good technical background, his soft skills will guarantee a promising future in his career: Good communication, assertiveness, posture, negotiation. Hélio is the type of person who is not satisfied with the basics. He will always deliver more than what was asked for, he charges himself with being good at everything he does."
(Translated from Portuguese)

"Helio is accountable, concerned with understanding and meeting the client's needs and able to focus on results. I had the opportunity to work with Helio during a DSA training project and I realized the technical quality of his work, both in the area of Data Science (developing models in Python and R) and in the area of BI (I highlight his evolution in modeling of data). I hope we have the opportunity to work together again."
(Translated from Portuguese)

"I had the privilege of working alongside Hélio, and I can confidently say that he exemplifies what a modern data engineer should be. His exceptional ability to architect and implement robust data solutions is matched only by his insatiable curiosity for emerging technologies and best practices. [...] He consistently translates complex technical concepts into clear, actionable insights for stakeholders at all levels. [...] Hélio's data-driven approach and solution-oriented mindset make him an asset to any organization."

"I have the pleasure to count on Helio in our Account Managers´ team at EDICOM BRASIL. Since his debut, he has been showing an outstanding business and analytical capacity to deeply understand and help us addressing our daily commercial challenges with top-notch clients. Furthermore, his strong communicative competence and willingness to do more than expected, make him an one-of-a-kind professional."

"Hélio Ribeiro is a highly competent professional with distinct skills in logical reasoning, processes, focus, and languages, notably English and Spanish. [...] His language proficiency is impressive, enabling fluent and effective communication with colleagues from different cultures. Additionally, he is an ethical, reliable, and motivated individual [...]. In summary, Hélio Ribeiro is a valuable talent who will undoubtedly be a beneficial addition to any team or organization."

"Helio and I collaborated on a couple of projects for US customers with requirements in Brazil. He was always a pleasure to work with because of his positive attitude and was effective at communicating with our customers."

"I have the pleasure of sharing the work environment with Helio. Proactive professional, very good humored and with excellent communication skills. He goes far beyond his responsibilities and does not hesitate to support others!"
(Translated from Portuguese)

"Helio is a young talent, with lots of energy, curiosity, willingness to learn, and high potential."
(Translated from Portuguese)

"Hélio Ribeiro: A dynamic profile, and an impressive learning capacity, has a unique ability to absorb knowledge, excellent for teamwork, always looking for improvements and new skills. Excellent professional and admirable person."
(Translated from Portuguese)

"Hélio is a committed professional with whom I had the pleasure of working during our journey at EDICOM. He is fluent in English and Spanish and has a strong sense of innovation. He is constantly looking for new ways to add value to operations! A curious and data analytics–oriented professional who is always willing to contribute."
(Translated from Portuguese)