Péterson Júnior
Lead Technical Specialist at Inter
Minas Gerais, Brazil
Summary
👤
Senior🎓
Top SchoolPéterson Júnior is a Lead Technical Specialist and data engineering leader with nine years of hands-on experience building data platforms, ETL pipelines, and governance at large Brazilian enterprises including Cemig and Inter. He combines practical expertise in Hadoop ecosystems, Spark, AWS data services, NoSQL (MongoDB, Neo4j) and SAP BW with a strong foundation in SQL, Python and Java to solve complex data integration and regulatory reporting challenges. At Cemig he drove data lake proofs-of-concept, deployed Apache Atlas and Ranger for governance, and built a metadata crawler to surface sensitive data for LGPD compliance—an example of blending engineering with policy impact. He also contributed to research-grade projects at UFMG, designing schemas and ETL for national science mapping, which shaped his strengths in graph databases and complex network analysis. Known for turning messy, semi-structured sources into auditable pipelines, he brings both hands-on implementation and architectural vision to data modernization efforts.
9 years of coding experience
10 years of employment as a software developer
Unfinished Master's Degree Computer Science, Unfinished Master's Degree Computer Science at Universidade Federal de Minas Gerais
English, Portuguese
Github Skills (48)
spark10
architecture10
storage10
comprehension10
analytics10
schemaspy10
entity-relationship-diagram10
driver10
database-diagrams10
delta-lake9
java9
acid9
schemacrawler9
er-diagram9
big-data9
Programming languages (2)
Github contributions (5)
petersonjr/MetadataCrawler
Aug 2019 - Mar 2022
A simple tool to extract metadata from relational databases
Contributions:1 release, 11 commits, 4 PRs in 2 years 7 months
avrorelationaldata-managementrdmsextract-metadata
petersonjr/obsidian-remote
Feb 2024 - Feb 2024
Run Obsidian.md in a browser via a docker container.
Contributions:1 push in 1 day
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