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Matheus Avellar

PROFILE

Matheus Avellar

Over a three-month period, contributed to the prefeitura-rio/queries-rj-sms and pipelines_rj_sms repositories by building and refining data models, improving data validation, and enhancing operational workflows. Leveraged Python, SQL, and DBT to overhaul data modeling with metadata governance, implement incremental data loading fixes, and introduce new patient data processing pipelines. Addressed data integrity by refining CNS validation and CPF-based filtering, while also strengthening security through environment variable management and on-demand reporting. Focused on maintainability and auditability by updating ownership metadata and streamlining workflow management, resulting in more reliable analytics, improved data quality, and reduced operational overhead for the data platform.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

17Total
Bugs
2
Commits
17
Features
6
Lines of code
345,312
Activity Months3

Work History

May 2026

6 Commits • 3 Features

May 1, 2026

May 2026 delivered substantial data quality, security, and operational improvements across two Rio de Janeiro SMS repos. Key outcomes include enhanced data models and validation, CNS data integrity fixes, DBT task security hardening, and on-demand reporting capabilities, enabling faster business response and reduced unnecessary processing.

April 2026

10 Commits • 2 Features

Apr 1, 2026

April 2026 monthly summary for Prefeitura Rio data platform (queries-rj-sms). Focused on delivering governance-driven data modeling, improving data loading reliability, and initiating patient data processing workflows to support trusted analytics for SMS Rio.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for prefeitura-rio/pipelines_rj_sms focusing on branding alignment in email communications. This period centered on applying the S/CIT committee branding update to email templates, ensuring consistency with the latest branding assets across outgoing messages.

Activity

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Quality Metrics

Correctness91.8%
Maintainability89.4%
Architecture90.6%
Performance88.2%
AI Usage23.6%

Skills & Technologies

Programming Languages

PythonSQLYAML

Technical Skills

BigQueryDBTData AnalysisDatabase ManagementETL processesGitHub ActionsPythonPython scriptingSQLSQL queriesbackend developmentdata cleaningdata engineeringdata modelingdata pipelines

Repositories Contributed To

2 repos

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

prefeitura-rio/queries-rj-sms

Apr 2026 May 2026
2 Months active

Languages Used

PythonSQLYAML

Technical Skills

BigQueryDBTData AnalysisDatabase ManagementETL processesGitHub Actions

prefeitura-rio/pipelines_rj_sms

Feb 2026 May 2026
2 Months active

Languages Used

Python

Technical Skills

Pythonbackend developmentdata engineeringdata pipelinesdbtworkflow management