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Hi, I'm David Custódio, a Senior Data Engineer with 7+ years of experience delivering scalable data platforms in Azure and Databricks. I specialize in SQL, PySpark, Delta Lake, and data modeling, driving migrations from legacy systems to modern Lakehouse architectures. I enjoy turning complex data challenges into reliable, production-ready solutions and collaborating with business stakeholders to align data strategy with goals. I thrive in international teams, bring a strong DevOps mindset to data projects, and focus on data quality, governance, and KPI accuracy. I'm always eager to learn and apply new technologies to help organizations unlock data-driven insights and accelerate decision-making.…Hi, I'm David Custódio, a Senior Data Engineer with 7+ years of experience delivering scalable data platforms in Azure and Databricks. I specialize in SQL, PySpark, Delta Lake, and data modeling, driving migrations from legacy systems to modern Lakehouse architectures. I enjoy turning complex data challenges into reliable, production-ready solutions and collaborating with business stakeholders to align data strategy with goals. I thrive in international teams, bring a strong DevOps mindset to data projects, and focus on data quality, governance, and KPI accuracy. I'm always eager to learn and apply new technologies to help organizations unlock data-driven insights and accelerate decision-making.

David Custódio

Data Visualizer, Graphic Designer, Web Designer, +2

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Hi, I'm David Custódio, a Senior Data Engineer with 7+ years of experience delivering scalable data platforms in Azure and Databricks. I specialize in SQL, PySpark, Delta Lake, and data modeling, driving migrations from legacy systems to modern Lakehouse architectures. I enjoy turning complex data challenges into reliable, production-ready solutions and collaborating with business stakeholders to align data strategy with goals. I thrive in international teams, bring a strong DevOps mindset to data projects, and focus on data quality, governance, and KPI accuracy. I'm always eager to learn and apply new technologies to help organizations unlock data-driven insights and accelerate decision-making.…Hi, I'm David Custódio, a Senior Data Engineer with 7+ years of experience delivering scalable data platforms in Azure and Databricks. I specialize in SQL, PySpark, Delta Lake, and data modeling, driving migrations from legacy systems to modern Lakehouse architectures. I enjoy turning complex data challenges into reliable, production-ready solutions and collaborating with business stakeholders to align data strategy with goals. I thrive in international teams, bring a strong DevOps mindset to data projects, and focus on data quality, governance, and KPI accuracy. I'm always eager to learn and apply new technologies to help organizations unlock data-driven insights and accelerate decision-making.

Available to hire

Hi, I’m David Custódio, a Senior Data Engineer with 7+ years of experience delivering scalable data platforms in Azure and Databricks. I specialize in SQL, PySpark, Delta Lake, and data modeling, driving migrations from legacy systems to modern Lakehouse architectures. I enjoy turning complex data challenges into reliable, production-ready solutions and collaborating with business stakeholders to align data strategy with goals.

I thrive in international teams, bring a strong DevOps mindset to data projects, and focus on data quality, governance, and KPI accuracy. I’m always eager to learn and apply new technologies to help organizations unlock data-driven insights and accelerate decision-making.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Fluent

Spanish; Castilian

Advanced

Italian

Intermediate

French

Beginner

German

Beginner

Work Experience

Senior Data Engineer at Closer Consulting

October 1, 2025 - Present

Contributing to a large-scale cloud migration project in the pharmaceutical sector, modernizing legacy SQL Server ETL logic into a Databricks-based Lakehouse architecture. Migrate and re-engineer legacy SQL Server views and ETL logic into Databricks notebooks following a medallion (bronze/silver/gold) architecture. Perform data validation and reconciliation between legacy and new ETL pipelines, identify data discrepancies, root causes, and ensure data quality. Reverse-engineer Power BI models (DAX, relationships, semantic logic) to rebuild transformations in Databricks. Collaborate with international teams to validate KPIs and align on business domains.

Data Engineer at GRIT Solutions

May 1, 2024 - October 1, 2025

Leading automated data pipelines, API data extraction frameworks, and data models to support Power BI reporting across several departments in the financial sector. Designed automated API ingestion frameworks (BPSTAT, ECB) in Fabric/PySpark with incremental logic. Developed end-to-end reporting solutions (modeling → pipelines → Power BI) for two business units. Built scalable pipelines and Delta Lake structures for Financial Crime Compliance analytics. Implemented data quality framework, Delta logs, lineage, and Git-based DevOps workflows. Created monitoring dashboards for ingestion validation and supported governance/security policies.

Consultant at BI4ALL

November 1, 2020 - April 1, 2024

Led DevOps transformation for BI/data teams, improving version control and deployment processes. Migrated stored procedures and ETL pipelines to Azure Data Factory, automating workflows. Supported cloud migration to Azure for a global law firm, enhancing resilience and scalability. Implemented IFRS 17 ETL pipelines for insurance reporting compliance. Built automated data validation frameworks reducing manual checks by 90%.

Tax Professional at Siemens S.A.

February 1, 2018 - October 1, 2020

Tax reporting, compliance and financial process accuracy for multiple EU entities. Built automated Excel-based models improving reporting speed & reliability. Supported audit processes and collaborated with international finance teams. Developed strong analytical and data-handling skills that supported a later transition into Data Engineering.