RORonaldo Oliveira
@ronaldooliveira
Data engineer and cloud data architect specializing in Azure, Databricks, and scalable Lakehouse solutions.
BrazilWhat I'm looking for
I am a data professional focused on Data Engineering and Cloud Data Architecture, with deep hands-on experience in Microsoft Azure and Databricks.
I design and implement large-scale data pipelines using Lakehouse and Medallion architectures, migrating legacy Hive jobs to Spark to deliver significant performance and scalability improvements.
I manage Azure services and integrations—Databricks, Storage, RBAC—while optimizing PySpark and Spark SQL workloads and enforcing CI/CD and governance with Git/Bitbucket and Azure DevOps.
I combine technical excellence with business awareness to deliver traceable, auditable data solutions and clear documentation, supporting teams on performance, cost control, and data governance.
Experience
Work history, roles, and key accomplishments
Data Engineer / Cloud Architect
Act Digital – Bradesco Seguros
Jun 2025 - Present (8 months)
Designed and implemented Silver-layer data architectures and Spark-based pipelines on Azure Databricks, migrating legacy Hive pipelines to Spark to improve performance and scalability for multi‑million record datasets.
Data Engineer / Data Analyst
Eletromidia
Oct 2023 - Jun 2025 (1 year 8 months)
Built BigQuery and Databricks ETL pipelines and automated Linux/Python processes, integrating multiple data sources and delivering analytics via Power BI and Looker while supporting computer vision projects.
EYDeveloped Alteryx and Spark analytical workflows and curated ETL datasets in Azure, organizing data into Bronze and Silver layers to ensure traceability for forensic data analytics and governance projects.
Education
Degrees, certifications, and relevant coursework
Anhanguera University
Postgraduate Degree, Data Architecture and Governance
Postgraduate Degree in Data Architecture and Governance currently in progress at Anhanguera University.
Anhanguera University
Postgraduate Degree, Data Engineering
Postgraduate Degree in Data Engineering completed at Anhanguera University.
PCPontifical Catholic University of Campinas
Postgraduate Degree, Data Science and Machine Learning
Postgraduate Degree in Data Science and Machine Learning completed at PUC Campinas.
Anhanguera College of Osasco
Associate Degree, Systems Analysis and Development
Associate Degree in Systems Analysis and Development completed at Anhanguera College of Osasco.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Salary expectations
Job categories
Skills
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