openfisca/openfisca-france
Dec 2024 – May 2026
5 Months active
Languages Used
YAMLyamlMarkdownTOML
Technical Skills
TestingYAMLConfigurationData ManagementPythonYAML management
dusylvain
PROFILE
Dusylvain
Contributed to the openfisca/openfisca-france repository by developing and maintaining features and fixes that improved the accuracy and reliability of social aid calculations. Focused on policy parameter harmonization, configuration hygiene, and data integrity, this work included updating YAML configurations, refining eligibility rules for housing allowances, and correcting benefit values to ensure compliance with evolving policies. Leveraged Python and YAML for backend development and data modeling, emphasizing maintainability and traceability through version-controlled commits. Addressed both feature delivery and critical bug fixes, supporting robust governance and auditability of socio-fiscal systems while ensuring that policy changes were accurately reflected in system outputs.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
6Total
Bugs
2
Commits
6
Features
3
Lines of code
259
Activity Months5
Your Network
29 peopleShared Repositories
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Work History
May 2026
1 Commits
May 1, 2026May 2026 monthly summary for openfisca/openfisca-france. Focused on data integrity remediation for housing aid calculations. No new features delivered this month; implemented a critical bug fix to restore validity of June 2026 housing aid values and ensure consistency across reports, supporting reliable budgeting, reporting, and beneficiary communications.
1 Commits
May 1, 2026May 2026 monthly summary for openfisca/openfisca-france. Focused on data integrity remediation for housing aid calculations. No new features delivered this month; implemented a critical bug fix to restore validity of June 2026 housing aid values and ensure consistency across reports, supporting reliable budgeting, reporting, and beneficiary communications.
May 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 summary focusing on feature delivery in openfisca/openfisca-france: updated housing allowances parameters and metadata to reflect new values and eligibility rules, improving calculation accuracy and policy compliance.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 summary focusing on feature delivery in openfisca/openfisca-france: updated housing allowances parameters and metadata to reflect new values and eligibility rules, improving calculation accuracy and policy compliance.
January 2026
2 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for openfisca/openfisca-france focusing on configuration hygiene and release readiness within the socio-fiscal subsystem. Key actions include a targeted socio-fiscal system update and YAML configuration cleanup by removing an irrelevant social contributions parameter, a release bump to 175.0.8, and documentation of the evolution of the socio-fiscal system, including an increase in CSG on certain capital income. These changes reduce configuration errors, improve maintainability, and provide clearer governance for policy updates.
2 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for openfisca/openfisca-france focusing on configuration hygiene and release readiness within the socio-fiscal subsystem. Key actions include a targeted socio-fiscal system update and YAML configuration cleanup by removing an irrelevant social contributions parameter, a release bump to 175.0.8, and documentation of the evolution of the socio-fiscal system, including an increase in CSG on certain capital income. These changes reduce configuration errors, improve maintainability, and provide clearer governance for policy updates.
January 2026
January 2025
1 Commits • 1 Features
Jan 1, 2025Month: 2025-01 Key features delivered: - Youth Travel Program Parameter Harmonization for the Départ 18:25 program: harmonized maximum/minimum age limits, maximum amounts and proportions; updated stay durations for international mobility grants; refreshed references and effective dates for parameters. Major bugs fixed: - No major bugs reported this month. Focused on policy parameter harmonization to improve calculation accuracy and maintainability. Overall impact and accomplishments: - Ensured policy parameters stay aligned with program rules, reducing calculation drift and improving reliability of eligibility determinations. - Improved maintainability and traceability of policy changes via a single commit in the repository. Technologies/skills demonstrated: - Policy parameter modeling and data normalization - Version-controlled changes and commit traceability - Collaboration within the openfisca/openfisca-france repository - Handling of references and effective dates in parameter configurations
January 2025
1 Commits • 1 Features
Jan 1, 2025Month: 2025-01 Key features delivered: - Youth Travel Program Parameter Harmonization for the Départ 18:25 program: harmonized maximum/minimum age limits, maximum amounts and proportions; updated stay durations for international mobility grants; refreshed references and effective dates for parameters. Major bugs fixed: - No major bugs reported this month. Focused on policy parameter harmonization to improve calculation accuracy and maintainability. Overall impact and accomplishments: - Ensured policy parameters stay aligned with program rules, reducing calculation drift and improving reliability of eligibility determinations. - Improved maintainability and traceability of policy changes via a single commit in the repository. Technologies/skills demonstrated: - Policy parameter modeling and data normalization - Version-controlled changes and commit traceability - Collaboration within the openfisca/openfisca-france repository - Handling of references and effective dates in parameter configurations
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for openfisca/openfisca-france focusing on PPA calculation accuracy under calendar changes and post-reform scenarios.
1 Commits
Dec 1, 2024December 2024 monthly summary for openfisca/openfisca-france focusing on PPA calculation accuracy under calendar changes and post-reform scenarios.
December 2024
Activity
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Quality Metrics
Correctness93.4%
Maintainability93.4%
Architecture90.0%
Performance86.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
MarkdownTOMLYAMLyaml
Technical Skills
ConfigurationData ManagementPythonTestingYAMLYAML managementbackend developmentconfiguration managementdata configurationdata managementdata modelingsocial aid systemssocial assistance policy
Repositories Contributed To
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