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Guilherme Belisario

@guilhermebelisario

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Data Engineer specializing in Spark, Azure, and scalable ETL pipelines.

Brazil

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What I'm looking for

I seek roles where I can design and scale data architectures, work with Spark and Azure, contribute to cross-functional teams, and continue growing in data engineering and architecture.

I am a Data Engineer with experience building and optimizing data pipelines using Apache Spark (PySpark) and Microsoft Azure. I translate business requirements into technical solutions, automate processes with Python and SQL, and improve data quality to support strategic decision-making.

At Bradesco I optimized and automated pipelines, adjusted business rules, and contributed to customer classification improvements that enhanced internal analyses. Previously, I designed dashboards, modeled ETL pipelines, and automated reporting to support commercial decisions at Fagron Group.

I continuously expand my data engineering skill set through certifications and hands-on projects—covering ETL orchestration, streaming with Kafka, Data Lakehouse design, testing, monitoring, and containerization—while seeking roles that deepen my experience in data architecture and scalable data platforms.

Experience

Work history, roles, and key accomplishments

Current

Data Engineer

Current

TDWBi / Bradesco

Jan 2025 - Present (1 year 1 month)

Optimized and automated credit-sector data pipelines at Bradesco, improving data quality and customer classification engine results to enhance internal analyses and strategic tables for end-users.

Pyspark Databricks Apache Spark SQL Azure Git CI CD

Business Analyst

Fagron Group

Jan 2024 - Jan 2025 (1 year)

Designed dashboards and performance reports, modeled ETL pipelines, defined KPIs with stakeholders, and automated reporting to improve commercial decision-making and business processes.