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GeraldoSilvaMaiaJunior

PROFILE

Geraldosilvamaiajunior

During a two-month period, Geraldo Maia enhanced data models and pipelines for prefeitura-rio/queries-rj-iplanrio and prefeitura-rio/prefect_rj_iplanrio, focusing on data quality, schema normalization, and payroll reporting. He introduced new fields and improved geographic enrichment, aligning data types and strengthening validation through dbt and YAML-driven configuration. Geraldo refactored SQL models using advanced CTEs for deduplication and consistency, while simplifying validation logic and metadata to streamline maintenance. His work improved data completeness, reliability, and analytics readiness, particularly in payroll calculations and cross-model compatibility. Geraldo demonstrated depth in SQL, data modeling, and database management, delivering maintainable, testable solutions for complex data workflows.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

19Total
Bugs
0
Commits
19
Features
6
Lines of code
273
Activity Months2

Your Network

17 people

Work History

March 2026

11 Commits • 2 Features

Mar 1, 2026

March 2026 monthly summary for prefeitura-rio/queries-rj-iplanrio focused on delivering data quality improvements, schema normalization, and payroll model enhancements that significantly improve reporting accuracy and maintainability.

February 2026

8 Commits • 4 Features

Feb 1, 2026

February 2026: Delivered core data-model enhancements, robust geographic data enrichment, and cross-model alignment to improve data capture, integrity, and analytics readiness across prefeitura-rio/prefect_rj_iplanrio and prefeitura-rio/queries-rj-iplanrio. Key efforts included adding the endereco field to the Processo table, introducing uf_codigo_ibge with ETL improvements and more resilient joins, hardening data integrity for id_categoria with tests and metadata updates, and aligning contrato_id types to ensure cross-model compatibility. These changes boost data completeness, reliability of joins, and consistency across datasets, enabling more accurate reporting and business insights. Demonstrated proficiency across SQL modeling, dbt testing, datetime parsing, validation, and YAML/schema alignment.

Activity

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Quality Metrics

Correctness91.6%
Maintainability89.4%
Architecture88.4%
Performance91.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

SQLYAML

Technical Skills

Data TransformationDatabase ManagementSQLSQL queryingYAMLYAML configurationdata analysisdata modelingdata testingdata validationdatabase designdatabase managementdatabase validationdbterror handling

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

prefeitura-rio/queries-rj-iplanrio

Feb 2026 Mar 2026
2 Months active

Languages Used

SQLYAML

Technical Skills

Data TransformationDatabase ManagementSQLSQL queryingYAML configurationdata modeling

prefeitura-rio/prefect_rj_iplanrio

Feb 2026 Feb 2026
1 Month active

Languages Used

YAML

Technical Skills

data modelingpipeline development