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Thomas Grammatico

PROFILE

Thomas Grammatico

Over five months, contributed to the dataforgoodfr/13_odis and dataforgoodfr/13_potentiel_solaire repositories by building robust data pipelines, enhancing geographic and population data modeling, and improving solar potential estimation methods. Leveraged Python, SQL, and DBT to implement multi-layer ETL architectures, automate data validation, and modernize geographic code handling for commune, regional, and departmental reporting. Integrated new INSEE data sources, expanded test coverage, and introduced Prefect for orchestration, resulting in more reliable, maintainable pipelines. Focused on code organization, documentation, and continuous integration, the work improved data quality, mapping accuracy, and enabled timely, granular insights for downstream analytics and reporting.

Overall Statistics

Feature vs Bugs

63%Features

Repository Contributions

57Total
Bugs
11
Commits
57
Features
19
Lines of code
41,298
Activity Months5

Work History

January 2026

5 Commits • 2 Features

Jan 1, 2026

January 2026 monthly summary for dataforgoodfr/13_odis. Delivered seed-based geographic data migration with annual passage validation, cleaned up DBT models and updated INSEE code documentation, and introduced Prefect-dbt integration with improved observability and development environment stability. These changes improved data quality, mapping accuracy for the most recent year, pipeline reliability, and development velocity.

December 2025

7 Commits • 2 Features

Dec 1, 2025

Monthly work summary for 2025-12 focusing on expanding granularity and stabilizing geographic data modeling for dataforgoodfr/13_odis. Key outcomes include broader commune-level household data, new regional and departmental aggregations, and a streamlined gold layer; comprehensive geographic data model modernization with a new COM level and consistent geo codes; and a tightened data pipeline with seed data, tests, and removal of obsolete layers.

November 2025

17 Commits • 3 Features

Nov 1, 2025

November 2025 delivered substantial improvements to population data handling, API usability, and development workflow for dataforgoodfr/13_odis, with a focus on business value, data accuracy, and reliability. Key bug fix and feature work reduced data load failures, improved data fidelity at the commune level, and strengthened testing and documentation to support scalable growth.

October 2025

25 Commits • 10 Features

Oct 1, 2025

October 2025 – Delivered end-to-end data pipelines and quality enhancements for the dataforgoodfr/13_odis project. Implemented a full Commute Travail data pipeline with new source and bronze/silver/gold layers, added INSEE taux_pauvrete data at commune and supra-commune levels, and stabilized dependencies and data quality across the stack. Fixed key upstream/downstream issues, expanded coverage to logement domain data via INSEE inputs, and introduced modeling and casting improvements to improve lineage and reliability. Demonstrated strong automation, testing, and governance, delivering tangible business value with more complete, accurate, and timely insights.

September 2025

3 Commits • 2 Features

Sep 1, 2025

September 2025 — dataforgoodfr/13_potentiel_solaire: Delivered key feature improvements and documentation clarifications to improve solar potential estimation accuracy and maintainability. Analyzed model approaches, added tests, and documented methodology to empower informed decisions.

Activity

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Quality Metrics

Correctness91.6%
Maintainability88.4%
Architecture87.8%
Performance85.6%
AI Usage21.4%

Skills & Technologies

Programming Languages

Jupyter NotebookMarkdownPythonSQLYAMLpythonyaml

Technical Skills

API DevelopmentAPI IntegrationAPI designAPI developmentAPI integrationCode OrganizationConfiguration ManagementContinuous IntegrationDBTData AnalysisData EngineeringData ManagementData ModelingData ProcessingData Visualization

Repositories Contributed To

2 repos

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

dataforgoodfr/13_odis

Oct 2025 Jan 2026
4 Months active

Languages Used

PythonSQLYAMLpythonyamlMarkdown

Technical Skills

API DevelopmentAPI developmentAPI integrationCode OrganizationConfiguration ManagementData Engineering

dataforgoodfr/13_potentiel_solaire

Sep 2025 Sep 2025
1 Month active

Languages Used

Jupyter NotebookPython

Technical Skills

Data AnalysisData VisualizationJupyter NotebooksMachine LearningPythonScientific Computing