MTES-MCT/ecobalyse
Nov 2024 – Feb 2026
10 Months active
Languages Used
ElmJavaScriptPythonShellTypeScriptYAMLJSON
Technical Skills
Backend DevelopmentData AnalysisData EngineeringData IntegrationData ModelingDatabase Management
Christophe Combelles
PROFILE
Christophe Combelles
Over ten months, Christophe Comb contributed to MTES-MCT/ecobalyse by engineering robust data pipelines and backend features that improved environmental impact assessments. He integrated new datasets, refined API endpoints, and stabilized data imports using Python and TypeScript, focusing on data integrity and traceability. Christophe addressed calculation accuracy for land use and ingredient impacts, enhanced API documentation, and enforced validation to reduce operational risk. His work included cross-repository data synchronization, test alignment, and migration to updated data models. By combining backend development, data engineering, and API integration, Christophe delivered maintainable solutions that improved analytics reliability and supported evolving business and regulatory requirements.
Overall Statistics
Feature vs Bugs
52%Features
Repository Contributions
36Total
Bugs
15
Commits
36
Features
16
Lines of code
397,446
Activity Months10
Your Network
8 people
Work History
February 2026
1 Commits • 1 Features
Feb 1, 2026Month: 2026-02 — Delivered data enrichment feature in MTES-MCT/ecobalyse and reinforced data quality for downstream analytics. Notable new ingredients dataset enrichment with updated 2025 attributes; no major bugs fixed this month. Overall impact includes richer ingredient data enabling improved modeling accuracy and scenario analyses, enhanced data governance, and stronger release discipline. Demonstrated strong data engineering, version control, and cross-repo collaboration.
1 Commits • 1 Features
Feb 1, 2026Month: 2026-02 — Delivered data enrichment feature in MTES-MCT/ecobalyse and reinforced data quality for downstream analytics. Notable new ingredients dataset enrichment with updated 2025 attributes; no major bugs fixed this month. Overall impact includes richer ingredient data enabling improved modeling accuracy and scenario analyses, enhanced data governance, and stronger release discipline. Demonstrated strong data engineering, version control, and cross-repo collaboration.
February 2026
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for MTES-MCT/ecobalyse. Focused on stabilizing data handling, improving API clarity, and strengthening validation to reduce operational risk. Key deliverables include bug fixes and an API enhancement that improve reliability and developer experience. - Key features delivered: Expose server FQDN and version in versioned API URLs to improve clarity and usability. - Major bugs fixed: Cocoa Butter Issue Fix; Ingredient ID Test Data Synchronization; Enforce Positive Mass Validation. - Overall impact and accomplishments: Strengthened data integrity, reduced risk from invalid mass entries, improved API observability, and ensured test data reflects current data model across ecosystems. - Technologies/skills demonstrated: Cross-stack debugging (Elm/Node.js test suites), validation hardening, API design and observability, commit-driven delivery.
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for MTES-MCT/ecobalyse. Focused on stabilizing data handling, improving API clarity, and strengthening validation to reduce operational risk. Key deliverables include bug fixes and an API enhancement that improve reliability and developer experience. - Key features delivered: Expose server FQDN and version in versioned API URLs to improve clarity and usability. - Major bugs fixed: Cocoa Butter Issue Fix; Ingredient ID Test Data Synchronization; Enforce Positive Mass Validation. - Overall impact and accomplishments: Strengthened data integrity, reduced risk from invalid mass entries, improved API observability, and ensured test data reflects current data model across ecosystems. - Technologies/skills demonstrated: Cross-stack debugging (Elm/Node.js test suites), validation hardening, API design and observability, commit-driven delivery.
August 2025
5 Commits • 1 Features
Aug 1, 2025August 2025 — MTES-MCT/ecobalyse: Delivered critical data and quality improvements to strengthen environmental impact calculations. Implemented Agribalyse 3.2 integration with dataset-aligned entries, enhancing data accuracy and coverage for environmental impact assessments; refined impact calculations and tests to better reflect real-world results; fixed data reliability gaps in food identifiers and densities; ensured ingredient IDs remain stable across releases to support smooth version transitions. These efforts reduce data drift, improve decision support for sustainability assessments, and demonstrate strong data engineering and QA discipline.
5 Commits • 1 Features
Aug 1, 2025August 2025 — MTES-MCT/ecobalyse: Delivered critical data and quality improvements to strengthen environmental impact calculations. Implemented Agribalyse 3.2 integration with dataset-aligned entries, enhancing data accuracy and coverage for environmental impact assessments; refined impact calculations and tests to better reflect real-world results; fixed data reliability gaps in food identifiers and densities; ensured ingredient IDs remain stable across releases to support smooth version transitions. These efforts reduce data drift, improve decision support for sustainability assessments, and demonstrate strong data engineering and QA discipline.
August 2025
July 2025
5 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for MTES-MCT/ecobalyse focusing on delivering dataset updates, API documentation clarity, and stability improvements. Highlights include bug fix for DisplayName duplicates, dataset expansion with pasta and soups, persistent IDs across material/ingredient in API docs, restoration of oilseed-feed export path, and refactoring of cooking process detection to treat invalid/missing as compile errors, improving CI and test reliability.
July 2025
5 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for MTES-MCT/ecobalyse focusing on delivering dataset updates, API documentation clarity, and stability improvements. Highlights include bug fix for DisplayName duplicates, dataset expansion with pasta and soups, persistent IDs across material/ingredient in API docs, restoration of oilseed-feed export path, and refactoring of cooking process detection to treat invalid/missing as compile errors, improving CI and test reliability.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for MTES-MCT/ecobalyse: Focused on stabilizing core calculations and data integrity. Delivered a feature to improve lentil-related calculations by integrating new external data exports, and fixed key calculation path issues to prevent negative Land Use Density values. Updated and aligned tests to reflect revised calculation logic, ensuring regression resilience across the production data pipeline. These changes collectively enhance analytical accuracy, reliability, and trust in downstream analytics for lentil and land-use metrics.
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for MTES-MCT/ecobalyse: Focused on stabilizing core calculations and data integrity. Delivered a feature to improve lentil-related calculations by integrating new external data exports, and fixed key calculation path issues to prevent negative Land Use Density values. Updated and aligned tests to reflect revised calculation logic, ensuring regression resilience across the production data pipeline. These changes collectively enhance analytical accuracy, reliability, and trust in downstream analytics for lentil and land-use metrics.
June 2025
April 2025
3 Commits
Apr 1, 2025April 2025 — MTES-MCT/ecobalyse: Bug fix and test-validation alignment following impact calculation updates and migration to Brightway. Key changes included aligning test assertions across modules to reflect updated impact calculations, suppressing long-term impacts from the new ecobalyse-data export, and lowering Uranium FRU in the ECS impacts due to updated input data. Implemented via commits: chore: Impacts from brightway switch (#993); chore: Supress long-term impacts (new export from ecobalyse-data#63) (#1010); chore: Lower Uranium FRU (new export from ecobalyse-data#71) (#1018). Business value: stabilized test suite against evolving data/dependencies, reduced regression risk, and ensured reliable, data-driven impact assessments for stakeholders.
April 2025
3 Commits
Apr 1, 2025April 2025 — MTES-MCT/ecobalyse: Bug fix and test-validation alignment following impact calculation updates and migration to Brightway. Key changes included aligning test assertions across modules to reflect updated impact calculations, suppressing long-term impacts from the new ecobalyse-data export, and lowering Uranium FRU in the ECS impacts due to updated input data. Implemented via commits: chore: Impacts from brightway switch (#993); chore: Supress long-term impacts (new export from ecobalyse-data#63) (#1010); chore: Lower Uranium FRU (new export from ecobalyse-data#71) (#1018). Business value: stabilized test suite against evolving data/dependencies, reduced regression risk, and ensured reliable, data-driven impact assessments for stakeholders.
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary for MTES-MCT/ecobalyse. Focused on stabilizing strategy handling and data processing by fixing explicit strategies and HTC/HTN handling. Integrated improvements from external PRs and reinforced reliability of strategy-based computations across the pipeline.
1 Commits
Mar 1, 2025March 2025 monthly summary for MTES-MCT/ecobalyse. Focused on stabilizing strategy handling and data processing by fixing explicit strategies and HTC/HTN handling. Integrated improvements from external PRs and reinforced reliability of strategy-based computations across the pipeline.
March 2025
February 2025
4 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for MTES-MCT/ecobalyse focused on risk reduction, data integrity, and cross-repo interoperability. Delivered four core changes that improve release safety, data exchange capabilities, and migration stability, while reinforcing collaboration with the ecobalyse-data repository.
February 2025
4 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for MTES-MCT/ecobalyse focused on risk reduction, data integrity, and cross-repo interoperability. Delivered four core changes that improve release safety, data exchange capabilities, and migration stability, while reinforcing collaboration with the ecobalyse-data repository.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 — MTES-MCT/ecobalyse: Focused on stabilizing data ingestion, improving performance, and strengthening data integrity. Implemented targeted patching for AGB imports, merged PastoEco CSVs into a single file to speed imports, and linked PastoEco processes to the AGB 3.1.1 database for accurate impact calculations. Added duplicate activity name prevention in the editor to improve data quality. These changes collectively shorten data load times, reduce import errors, and improve reliability for downstream analytics and reporting.
3 Commits • 1 Features
Dec 1, 2024December 2024 — MTES-MCT/ecobalyse: Focused on stabilizing data ingestion, improving performance, and strengthening data integrity. Implemented targeted patching for AGB imports, merged PastoEco CSVs into a single file to speed imports, and linked PastoEco processes to the AGB 3.1.1 database for accurate impact calculations. Added duplicate activity name prevention in the editor to improve data quality. These changes collectively shorten data load times, reduce import errors, and improve reliability for downstream analytics and reporting.
December 2024
November 2024
7 Commits • 4 Features
Nov 1, 2024November 2024 monthly summary for MTES-MCT/ecobalyse. Focused on expanding data export capabilities, strengthening data integration, and improving reliability of large-scale imports. Delivered object-level export and traceability enhancements, integrated Woolmark LCI data with external DB linking, and implemented robust fixes to support parallel imports. Expanded ingredient data import and search, and added dynamic irrigation data for organic cotton to improve accuracy of environmental impact assessments. These efforts improve business value by enabling more accurate, auditable LCAs, smoother data pipelines, and faster, safer data sharing across teams.
November 2024
7 Commits • 4 Features
Nov 1, 2024November 2024 monthly summary for MTES-MCT/ecobalyse. Focused on expanding data export capabilities, strengthening data integration, and improving reliability of large-scale imports. Delivered object-level export and traceability enhancements, integrated Woolmark LCI data with external DB linking, and implemented robust fixes to support parallel imports. Expanded ingredient data import and search, and added dynamic irrigation data for organic cotton to improve accuracy of environmental impact assessments. These efforts improve business value by enabling more accurate, auditable LCAs, smoother data pipelines, and faster, safer data sharing across teams.
Activity
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Quality Metrics
Correctness84.4%
Maintainability83.4%
Architecture77.2%
Performance74.2%
AI Usage20.6%
Skills & Technologies
Programming Languages
ElmJSONJavaScriptPythonShellTypeScriptYAML
Technical Skills
API DevelopmentAPI DocumentationAPI IntegrationAPI integrationBackend DevelopmentBug FixingChoreCode AnalysisCode ManagementCode RefactoringData AnalysisData EngineeringData ExportData ImportData Integration
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