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Thiago Barral

Thiago Barral

Data Scientist | Data Engineer | Data Analyst

Rio de Janeiro, Rio de Janeiro, BR
+55 21 99877-3337
Portuguese, English

Background


About

About

Data professional with experience in data analysis, data engineering, and data science. I develop ETL pipelines, automate processes, design data models, and build analytical solutions with Python, SQL, Microsoft Azure, Microsoft Fabric, and Power BI. I have also developed predictive models and machine learning applications to identify patterns, anticipate risks, and support operational improvements.

Work Experience

Work Experience

  • Data Scientist, Tecservice Engenharia e Consultoria

    Oct, 2025 - Present

    • Develop data science projects involving machine learning and predictive modeling to identify risks and support preventive decisions.

    • Build Power Apps applications to simplify operational workflows for users.

    • Develop Python scripts to automate recurring processes and reduce manual work.

  • Analytics Engineer, Compass UOL

    Feb, 2025 - Oct, 20258 months

    • Apply data visualization, data mining, and statistical analysis to identify opportunities for product improvement.

    • Develop ETL processes using Python in Microsoft Fabric.

    • Automate the collection of financial data through Python web scraping.

  • Data Analyst, MODEC

    Sep, 2021 - Aug, 20242 years 11 months

    • Analyze, mine, and visualize data to identify opportunities for operational improvement.

    • Automate email delivery processes using Python and Microsoft Azure.

    • Develop Power BI dashboards and business indicators for multiple departments.

    • Build ETL processes and write SQL queries, views, and stored procedures for relational databases.

  • Data Analyst, B2W

    Jan, 2021 - Oct, 20219 months

    • Automate the analysis of imported product data and reduce manual processing.

    • Create and maintain Power BI reports for monitoring operational data.

    • Apply statistical analysis and data mining to identify patterns in imported product data.

    • Query relational databases using SQL and develop ETL processes in Python.

  • Developer, BR Advisors

    Jul, 2020 - Dec, 20205 months

    • Automate and optimize processes with Python and maintain relational databases using SQL.

    • Develop Python bots for messaging workflows and create Power BI reports.

    • Use machine learning for customer clustering and web scraping to collect financial data.

  • Operations Analyst, Farm US - SOMA

    Jan, 2020 - Jun, 20205 months

    • Support logistics planning and international distribution of products for the Farm brand.

    • Coordinate wholesale distributors, goods receipt, inventory, and B2B distribution.

    • Integrate SQL data from Farm US and third-party warehouses, audit inventories, and prepare financial reports for the logistics operation.

  • Data Analyst, Zolina

    Sep, 2017 - Dec, 20192 years 3 months

    • Analyze data from digital marketing activities and apply statistical tests to identify performance trends.

    • Research keywords using SEMrush to guide content strategy.

    • Create performance reports using Google Analytics.

Skills

Skills

  • Programming and Data Engineering

    Python

    SQL

    R

    ETL

    Data Modeling

    Microsoft Fabric

  • Data Science and Analytics

    Machine Learning

    Predictive Modeling

    Statistical Analysis

    Data Mining

    Power BI

    Business Intelligence

  • Cloud and Automation

    Microsoft Azure

    Power Apps

    Process Automation

Education

Education

  • Computer Science, focus on Data Science, Master's degree, CEFET/RJ

    - Oct, 2020

  • Data Science, Postgraduate specialization, Data Science Academy

    - Jul, 2018

  • Petroleum Engineering, Postgraduate specialization, Fluminense Federal University (UFF)

    - Dec, 2016

  • Chemical Engineering, Bachelor's degree, Federal University of Rio de Janeiro (UFRJ)

    - Dec, 2012

Certificates

Certificates