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Max-Kerpel

PROFILE

Max-kerpel

Over a three-month period, this developer delivered multiple data engineering enhancements for the Antwerpen region across the quintel/etlocal and quintel/etsource repositories. They implemented versioned dataset updates, schema migrations, and CSV-driven data imports to improve the accuracy and traceability of energy and emissions data. Using Ruby, SQL, and YAML, they established migration-based workflows that streamlined future updates and ensured data integrity. Their work included refining aviation emissions calculations, updating energy modeling parameters, and aligning datasets for policy analysis and reporting. The approach emphasized clear documentation, robust error handling, and cross-repository consistency to support reliable analytics and governance.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

12Total
Bugs
2
Commits
12
Features
8
Lines of code
15,191
Activity Months3

Work History

May 2025

2 Commits • 2 Features

May 1, 2025

Month: 2025-05. This month focused on delivering Antwerpen-region data updates across two repositories (quintel/etlocal and quintel/etsource), implementing versioned data changes to support more accurate planning and analytics. Key actions included the version 3 Antwerpen dataset updates, associated migrations, and schema refinements, along with refinements to energy modeling for Antwerpen in the source dataset.

March 2025

4 Commits • 2 Features

Mar 1, 2025

March 2025: Delivered Antwerp 2022 data updates across ETSource and ETLocal, finalizing accuracy, improving data quality, and establishing migration-based workflows for future updates. Resulted in more reliable modeling inputs, better governance, and reduced rework through clear commit history and data documentation.

February 2025

6 Commits • 4 Features

Feb 1, 2025

February 2025 performance summary for Quintel developer teams. Delivered updates to the Antwerpen datasets across etsources and etlocal, implemented data migrations and corrections, and refined aviation emissions data to improve baseline accuracy and visualization readiness. Key decisions focused on data quality, traceability, and business value for policy analysis and reporting.

Activity

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Quality Metrics

Correctness83.4%
Maintainability85.0%
Architecture83.4%
Performance78.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSVRubySQLYAMLad

Technical Skills

CSV ProcessingConfiguration ManagementData AnalysisData EngineeringData ImportData ManagementData ProcessingData UpdateDatabase MigrationDataset UpdateETLEmissions DataEnergy ModelingRuby on Rails

Repositories Contributed To

2 repos

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

quintel/etlocal

Feb 2025 May 2025
3 Months active

Languages Used

CSVRubySQLYAML

Technical Skills

CSV ProcessingConfiguration ManagementData AnalysisData EngineeringData ImportData Processing

quintel/etsource

Feb 2025 May 2025
3 Months active

Languages Used

CSVYAMLad

Technical Skills

Data ManagementData UpdateDataset UpdateEmissions DataData AnalysisETL