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Guilherme Lacerda Seabra Alves

@guilhermelacerdaseab

Senior Data Engineer at L3 building Maxion Wheels’ Microsoft Fabric finance platform and migrating 100+ reports to Power BI.

Brazil

Message

What I'm looking for

I’m open to conversations about modern data platforms, analytics engineering, and potential collaborations.

At L3, I’m building Maxion Wheels’ Finance data platform on Microsoft Fabric, with Bronze, Silver, and Gold pipelines for global financial reporting. I also took ownership of a stalled migration of more than 100 Tableau reports to Power BI and delivered the full migration within the original project deadline.

At Yaman, I restructured Itaú Unibanco’s data environment and automated pipelines, reducing execution time from five hours to 30 minutes. I also designed an AWS architecture that ran more than 50 daily queries at R$400 per month, 90% below the original estimated budget.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Engineer

Current

Jul 2025 - Present (1 year 4 months)

Allocated to Maxion Wheels as the Data Engineer responsible for the global Finance area, covering end-to-end data engineering, semantic modeling, and report delivery serving C-level stakeholders (CEO, CFO, DPO) and directors across Treasury, Tax, Controlling, and Accounting.

• Took ownership of a stalled Tableau-to-Power BI migration (100+ reports) after 9 months with zero reports delivered due

Analytics Engineer

Yaman

Jul 2023 - Jul 2025 (2 years)

Allocated to Itaú Unibanco as part of a cross-functional business team, responsible for analyzing and presenting technology performance indicators to Itaú executive board and development communities.

• Restructured the team's entire data environment, replacing legacy Access databases and Excel/VBA macros with a medallion architecture on-premise using Python (Pandas, Polars), Airflow for orchestr

Data Analyst

Fênix Sistemas & Consultoria | Microsoft Dynamics

Jul 2022 - Jul 2023 (1 year)

Specialized Power Platform consulting, directly assigned to Porto Sudeste do Brasil.

• Mapped end-to-end project delivery workflows for Power Platform solutions, from requirements gathering and specification through scheduling, development, and stakeholder delivery

• Built and optimized Power BI reports and data models using DAX, M Language, Python, and SQL, including full redesigns of underpe

Data Assistant

WA Contact Center

Sep 2020 - Jul 2022 (1 year 10 months)

• Developed VBA automations and SQL queries to optimize daily data operations and reduce manual processing time across Call Center outbound and inbound segments

• Built managerial reports and dynamic dashboards to monitor operations and identify performance improvements

Data Intern

Montacon Engenharia LTDA

Oct 2019 - Apr 2020 (6 months)

• Built fleet and fuel management dashboards using VBA and Excel, contributing to R$10,000/month in cost reduction through data-driven operational decisions

• Designed automated reports for corporate credit card auditing, identifying billing errors and fraudulent transactions

Education

Degrees, certifications, and relevant coursework

Databricks

Databricks Certified Data Analyst Associate

Jun 2026 · Expires Jun 2028

Microsoft

Microsoft Certified: SQL AI Developer Associate

Sep 2026 · Expires Sep 2027

Databricks

Databricks Certified Data Engineer Associate

Jun 2026 · Expires Jun 2028

Microsoft

Microsoft Certified: Azure Databricks Data Engineer Associate

Aug 2026 · Expires Aug 2027

Microsoft

Microsoft Certified: Fabric Data Engineer Associate

Jun 2025 · Expires Aug 2027

Microsoft

Microsoft Certified: Fabric Analytics Engineer Associate

Jun 2024 · Expires Jun 2027

PUC Minas

Postgraduate Degree, Data science and big data, data engineering

2022 - 2023

Postgraduate specialization focused on data engineering, big data architectures, and applied data science. Coursework included data integration and ETL pipelines, distributed data processing, data governance, statistical modeling, database design, and data visualization, with hands-on projects applying machine learning and analytics to real-world business problems.

Universidade Federal Fluminense

Bachelor's degree, Economics

2014 - 2022

Bachelor's degree in Economics from one of Brazil's top federal universities. Coursework included econometrics, statistical analysis, financial modeling, microeconomics, and macroeconomic theory, building a strong foundation in quantitative reasoning, data interpretation, and business decision-making that directly supports my work in analytics engineering.