Informatievlaanderen/association-registry
Nov 2024 – Feb 2026
16 Months active
Languages Used
C#CSVPythonSQLXMLXUnitYAMLJavaScript
Technical Skills
API DevelopmentAPI DocumentationAPI IntegrationAPI TestingBackend DevelopmentC#
emalfroy
PROFILE
Emalfroy
Egon Malfroy engineered core features and infrastructure for the Informatievlaanderen/association-registry repository, focusing on robust data modeling, event-sourced workflows, and API reliability. He implemented complex lifecycle management for entities like bank accounts and representatives, integrating external systems such as KBO and Magda for synchronized data flows. Using C#, .NET, and Marten, Egon refactored projections, enhanced validation logic, and automated CI/CD pipelines to support scalable deployments. His work included strengthening test automation, improving Swagger documentation, and enforcing security best practices. These efforts resulted in a maintainable, resilient backend that improved data integrity, onboarding, and reporting for public sector stakeholders.
Overall Statistics
Feature vs Bugs
58%Features
Repository Contributions
641Total
Bugs
112
Commits
641
Features
152
Lines of code
139,417
Activity Months16
Your Network
4 peopleShared Repositories
4
Work History
February 2026
10 Commits • 3 Features
Feb 1, 2026February 2026: Delivered substantial backend improvements for the association-registry project, focusing on robust bank account management, API reliability, security enhancements, and developer tooling. Specifics include IBAN formatting with spaces, KBO ownership of bank account numbers during synchronization, addition/removal of bank account numbers to KBO associations, and adjusted validation for titular changes; enforcement of integer URL parameters; hardening API docs exposure and improving Swagger documentation; and refactoring controllers with updated pre-commit tooling to elevate code quality and developer productivity.
10 Commits • 3 Features
Feb 1, 2026February 2026: Delivered substantial backend improvements for the association-registry project, focusing on robust bank account management, API reliability, security enhancements, and developer tooling. Specifics include IBAN formatting with spaces, KBO ownership of bank account numbers during synchronization, addition/removal of bank account numbers to KBO associations, and adjusted validation for titular changes; enforcement of integer URL parameters; hardening API docs exposure and improving Swagger documentation; and refactoring controllers with updated pre-commit tooling to elevate code quality and developer productivity.
February 2026
January 2026
40 Commits • 6 Features
Jan 1, 2026January 2026 performance summary for Informatievlaanderen/association-registry. Delivered a robust Bankrekening Management flow, aligned data handling, and infrastructure stabilization, enabling stronger onboarding, accurate reporting, and improved reliability across the system.
January 2026
40 Commits • 6 Features
Jan 1, 2026January 2026 performance summary for Informatievlaanderen/association-registry. Delivered a robust Bankrekening Management flow, aligned data handling, and infrastructure stabilization, enabling stronger onboarding, accurate reporting, and improved reliability across the system.
December 2025
34 Commits • 5 Features
Dec 1, 2025December 2025: Informatievlaanderen/association-registry delivered measurable business value by strengthening core identity and representation workflows through service enhancements, reliability fixes, and improved observability. Key work focused on delivering the Geef Persoon service with robust validation, middleware, and tests, integrating and stabilizing Magda tooling, and updating projections to ensure accurate data surfaces for downstream systems. In addition, representations handling and synchronization improved data consistency across KSZ and Vzer flows, while addressing critical address and deployment concerns to reduce risk in production.
34 Commits • 5 Features
Dec 1, 2025December 2025: Informatievlaanderen/association-registry delivered measurable business value by strengthening core identity and representation workflows through service enhancements, reliability fixes, and improved observability. Key work focused on delivering the Geef Persoon service with robust validation, middleware, and tests, integrating and stabilizing Magda tooling, and updating projections to ensure accurate data surfaces for downstream systems. In addition, representations handling and synchronization improved data consistency across KSZ and Vzer flows, while addressing critical address and deployment concerns to reduce risk in production.
December 2025
November 2025
24 Commits • 6 Features
Nov 1, 2025November 2025 (2025-11) delivered a comprehensive Or-2949 alignment for Informatievlaanderen/association-registry, focusing on dependency modernization, data modeling, and robust test automation, with additional progress on bewaartermijn. Key outcomes include a scalable event-sourced model for Vertegenwoordiger data, stabilized test suites, and admin API readiness, enabling reliable onboarding and lifecycle management of vertegenwoordiger-related data.
November 2025
24 Commits • 6 Features
Nov 1, 2025November 2025 (2025-11) delivered a comprehensive Or-2949 alignment for Informatievlaanderen/association-registry, focusing on dependency modernization, data modeling, and robust test automation, with additional progress on bewaartermijn. Key outcomes include a scalable event-sourced model for Vertegenwoordiger data, stabilized test suites, and admin API readiness, enabling reliable onboarding and lifecycle management of vertegenwoordiger-related data.
October 2025
15 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for Informatievlaanderen/association-registry. Key features delivered: - KBO-based representatives lifecycle fully implemented (add, modify, remove) with synchronized projections and historiek updates to reflect changes. Related commits include: b260c03c7cbb5c0674ceaa28aa394b26280c50cc; 56c22bb8c64561233dd9115d01d0253940cdc57e; 4a16c64f1b4e6022363bfe41f85f682f8525870e; 89c7200da7e101ee0ae017b18371a23120824181; b800b19d8c96b48c0b7d3d4fa6b3f2b0c44ec9a7; 7ad77f05c603168c0e5c1918d110b77718e68928. - Magda API integration to retrieve Functies from GeefOnderneming; GetVertegenwoordigers handles null input; tests updated. (commit: 7cb99d3a73778552e7b79b2c795c635914e79a7d). - Testing data expansion for OR-1733 to improve robustness. (commit: 5499d24943246f0726296ffeb775e2654c096bbb). Major bugs fixed: - Removed empty values from kbo changes in historiek; cleanup to avoid noise. (commits: aec82353b69be7256953dfd01cae5aae832b7a1d; f25ef02d3f5f66add653cffc103f021954c02f80). - Prevented duplicate vertegenwoordiger on registreer kbo vereniging and ensured distinct dubbele functiehouders. (commits: 403f168b6773f7b8976f60fef4439482f94aafc6; def4b5cf15515cd3a8c5a254915af163f5e8c39d). Overall impact and accomplishments: - Significantly improved data integrity and consistency across KBO synchronization, projections, and historiek; reduced risk of stale/duplicate records; enhanced reliability of API consumers (Magda,function retrieval) and downstream governance workflows; strengthened test coverage and data quality with expandable test data. Technologies/skills demonstrated: - API integration (Magda), data synchronization and lifecycle management, projection logic, historiek maintenance, test data management, and test-driven development; strong adherence to code quality and regression prevention. Business value: - Faster, more reliable updates to representation data, enabling accurate governance reporting, compliance, and decision-making; reduced manual reconciliation and downstream data issues.
15 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for Informatievlaanderen/association-registry. Key features delivered: - KBO-based representatives lifecycle fully implemented (add, modify, remove) with synchronized projections and historiek updates to reflect changes. Related commits include: b260c03c7cbb5c0674ceaa28aa394b26280c50cc; 56c22bb8c64561233dd9115d01d0253940cdc57e; 4a16c64f1b4e6022363bfe41f85f682f8525870e; 89c7200da7e101ee0ae017b18371a23120824181; b800b19d8c96b48c0b7d3d4fa6b3f2b0c44ec9a7; 7ad77f05c603168c0e5c1918d110b77718e68928. - Magda API integration to retrieve Functies from GeefOnderneming; GetVertegenwoordigers handles null input; tests updated. (commit: 7cb99d3a73778552e7b79b2c795c635914e79a7d). - Testing data expansion for OR-1733 to improve robustness. (commit: 5499d24943246f0726296ffeb775e2654c096bbb). Major bugs fixed: - Removed empty values from kbo changes in historiek; cleanup to avoid noise. (commits: aec82353b69be7256953dfd01cae5aae832b7a1d; f25ef02d3f5f66add653cffc103f021954c02f80). - Prevented duplicate vertegenwoordiger on registreer kbo vereniging and ensured distinct dubbele functiehouders. (commits: 403f168b6773f7b8976f60fef4439482f94aafc6; def4b5cf15515cd3a8c5a254915af163f5e8c39d). Overall impact and accomplishments: - Significantly improved data integrity and consistency across KBO synchronization, projections, and historiek; reduced risk of stale/duplicate records; enhanced reliability of API consumers (Magda,function retrieval) and downstream governance workflows; strengthened test coverage and data quality with expandable test data. Technologies/skills demonstrated: - API integration (Magda), data synchronization and lifecycle management, projection logic, historiek maintenance, test data management, and test-driven development; strong adherence to code quality and regression prevention. Business value: - Faster, more reliable updates to representation data, enabling accurate governance reporting, compliance, and decision-making; reduced manual reconciliation and downstream data issues.
October 2025
September 2025
39 Commits • 9 Features
Sep 1, 2025September 2025 focused on stabilizing core platform workflows, expanding observability, and delivering data-governance and analytics capabilities for Informatievlaanderen/association-registry. Key stability work improved KBO projection rebuilds and sync projection through robust teardown, ID-based tracking, removal of brittle KBO sync registration, and safer build/daemon handling with logging safeguards. Observability was strengthened via OpenTelemetry in the admin API and a switch to a custom Marten logger, with SQL logging disabled to reduce noise. Business-value features include initial Power BI dubbeldetectie integration with metadata provisioning and mapping, plus data quality improvements through exporting duplicates to CSVV and reporting duplicate associations. Public API resilience was enhanced with migration/schema fixes, projection moves, and doc-type registrations, complemented by CI-focused migrations. Test reliability and coverage were boosted with auto-start JasperFX in tests and additional search tests.
September 2025
39 Commits • 9 Features
Sep 1, 2025September 2025 focused on stabilizing core platform workflows, expanding observability, and delivering data-governance and analytics capabilities for Informatievlaanderen/association-registry. Key stability work improved KBO projection rebuilds and sync projection through robust teardown, ID-based tracking, removal of brittle KBO sync registration, and safer build/daemon handling with logging safeguards. Observability was strengthened via OpenTelemetry in the admin API and a switch to a custom Marten logger, with SQL logging disabled to reduce noise. Business-value features include initial Power BI dubbeldetectie integration with metadata provisioning and mapping, plus data quality improvements through exporting duplicates to CSVV and reporting duplicate associations. Public API resilience was enhanced with migration/schema fixes, projection moves, and doc-type registrations, complemented by CI-focused migrations. Test reliability and coverage were boosted with auto-start JasperFX in tests and additional search tests.
August 2025
20 Commits • 8 Features
Aug 1, 2025August 2025 monthly summary for Informatievlaanderen/association-registry: Delivered a set of high-impact architectural improvements, modernization of the tech stack, and targeted reliability enhancements. Focused on stabilizing core behavior through a sequence guarder refactor, upgrading the search client, enabling end-to-end DLQ handling with code generation, and centralizing serialization. These changes reduce risk in data synchronization, improve test stability, and position the project for easier future changes. Demonstrated value through maintainability gains, stronger data integrity, and faster onboarding of new contributors.
20 Commits • 8 Features
Aug 1, 2025August 2025 monthly summary for Informatievlaanderen/association-registry: Delivered a set of high-impact architectural improvements, modernization of the tech stack, and targeted reliability enhancements. Focused on stabilizing core behavior through a sequence guarder refactor, upgrading the search client, enabling end-to-end DLQ handling with code generation, and centralizing serialization. These changes reduce risk in data synchronization, improve test stability, and position the project for easier future changes. Demonstrated value through maintainability gains, stronger data integrity, and faster onboarding of new contributors.
August 2025
July 2025
36 Commits • 4 Features
Jul 1, 2025July 2025 monthly summary focused on delivering business value through features, reliability improvements, and dev-ops modernization for Informatievlaanderen/association-registry. Highlights include admin-focused capabilities, improved data quality, and a refreshed CI/CD pipeline that supports faster, more reliable releases.
July 2025
36 Commits • 4 Features
Jul 1, 2025July 2025 monthly summary focused on delivering business value through features, reliability improvements, and dev-ops modernization for Informatievlaanderen/association-registry. Highlights include admin-focused capabilities, improved data quality, and a refreshed CI/CD pipeline that supports faster, more reliable releases.
June 2025
21 Commits • 5 Features
Jun 1, 2025June 2025 — Informatievlaanderen/association-registry: Core geotags evolution with Power BI integration, combined with targeted bug fixes and CI/test hygiene improvements. Delivered enhancements to geotags calculation, initialization, and BI exposure, tightened metadata update behavior, and reduced unnecessary recomputation. Strengthened API/docs surface with Swagger improvements and a refactored middleware/data-structure layer, plus robust test maintenance.
21 Commits • 5 Features
Jun 1, 2025June 2025 — Informatievlaanderen/association-registry: Core geotags evolution with Power BI integration, combined with targeted bug fixes and CI/test hygiene improvements. Delivered enhancements to geotags calculation, initialization, and BI exposure, tightened metadata update behavior, and reduced unnecessary recomputation. Strengthened API/docs surface with Swagger improvements and a refactored middleware/data-structure layer, plus robust test maintenance.
June 2025
May 2025
29 Commits • 5 Features
May 1, 2025May 2025: Delivered a comprehensive Geotags initiative across the association registry, clarified public API access, and strengthened system reliability through targeted refactors and tests. The work enables geotag calculations and geotag-based searching for registrations, integrates geotags with the registration flow and public search, and rewrites critical services with broader test coverage. This result enhances data discoverability, API clarity, and maintainability, delivering measurable business value in search accuracy, data integrity, and developer experience.
May 2025
29 Commits • 5 Features
May 1, 2025May 2025: Delivered a comprehensive Geotags initiative across the association registry, clarified public API access, and strengthened system reliability through targeted refactors and tests. The work enables geotag calculations and geotag-based searching for registrations, integrates geotags with the registration flow and public search, and rewrites critical services with broader test coverage. This result enhances data discoverability, API clarity, and maintainability, delivering measurable business value in search accuracy, data integrity, and developer experience.
April 2025
42 Commits • 8 Features
Apr 1, 2025April 2025 monthly summary for Informatievlaanderen/association-registry focused on delivering end-to-end GRAR integration, strengthening documentation, expanding test coverage, and advancing CI/CD and stability across public projections and search features. The work improved data accuracy, reliability, and time-to-value for stakeholders by enabling robust data syncing, richer API documentation, and safer deployment pipelines.
42 Commits • 8 Features
Apr 1, 2025April 2025 monthly summary for Informatievlaanderen/association-registry focused on delivering end-to-end GRAR integration, strengthening documentation, expanding test coverage, and advancing CI/CD and stability across public projections and search features. The work improved data accuracy, reliability, and time-to-value for stakeholders by enabling robust data syncing, richer API documentation, and safer deployment pipelines.
April 2025
March 2025
87 Commits • 22 Features
Mar 1, 2025March 2025 performance highlights for Informatievlaanderen/association-registry. Delivered critical data-mapping improvements and subtype refinement capabilities, migrated projections tests to the new framework, expanded end-to-end coverage, and strengthened reporting and CI readiness. Key business value includes more accurate data representation, reliable migrations for new subtypes, and improved visibility into data through Power BI and enhanced API/docs.
March 2025
87 Commits • 22 Features
Mar 1, 2025March 2025 performance highlights for Informatievlaanderen/association-registry. Delivered critical data-mapping improvements and subtype refinement capabilities, migrated projections tests to the new framework, expanded end-to-end coverage, and strengthened reporting and CI readiness. Key business value includes more accurate data representation, reliable migrations for new subtypes, and improved visibility into data through Power BI and enhanced API/docs.
February 2025
74 Commits • 22 Features
Feb 1, 2025February 2025 monthly summary for Informatievlaanderen/association-registry focused on boosting data quality, API reliability and enabling VZER-enabled workflows. Key work spanned duplicate detection improvements, API v2 migrations with VZER integration, expanded test coverage, and release/CI stabilization. This period also delivered targeted documentation and fixes to support safer, faster deployments and more accurate search results.
74 Commits • 22 Features
Feb 1, 2025February 2025 monthly summary for Informatievlaanderen/association-registry focused on boosting data quality, API reliability and enabling VZER-enabled workflows. Key work spanned duplicate detection improvements, API v2 migrations with VZER integration, expanded test coverage, and release/CI stabilization. This period also delivered targeted documentation and fixes to support safer, faster deployments and more accurate search results.
February 2025
January 2025
50 Commits • 11 Features
Jan 1, 2025January 2025 delivered a major refactor and lifecycle improvements for the association registry, focusing on data integrity, ownership validation, and deployment automation. Key outcomes include: - Vereniging status model refactor and naming (or-1716): migrated dubbel/corrigeer state to verenigingsstatus and standardized status names. - Enforce authentic Vereniging ownership: new guard that throws an application exception when the authenticated vereniging is not the user's authentic vereniging. - Beheer en Publiek functionaliteiten voor corrigeer dubbels: implemented beheer detail, beheer historiek, publiek detail, publiek zoeken, beheer zoeken and ACM integration. - Dubbeldetectie projecties and test coverage: implemented dubbeldetectie projecties for corrigeer dubbels and aligned related historiek/test updates. - CI/CD and deployment enhancements: refactor ConfigurePostgresQueues; Lambda CI/CD pipeline enhancements; deployment of Lambdas to manual staging and production; AWS credential/environment improvements. Overall impact: stronger data integrity for duplicates, stricter ownership controls, scalable support for public/admin workflows, and faster, safer deployments. Technologies/skills: .NET/C#, Postgres/Marten, AWS Lambda, CI/CD automation, API documentation, testing, and namespace refactor.
January 2025
50 Commits • 11 Features
Jan 1, 2025January 2025 delivered a major refactor and lifecycle improvements for the association registry, focusing on data integrity, ownership validation, and deployment automation. Key outcomes include: - Vereniging status model refactor and naming (or-1716): migrated dubbel/corrigeer state to verenigingsstatus and standardized status names. - Enforce authentic Vereniging ownership: new guard that throws an application exception when the authenticated vereniging is not the user's authentic vereniging. - Beheer en Publiek functionaliteiten voor corrigeer dubbels: implemented beheer detail, beheer historiek, publiek detail, publiek zoeken, beheer zoeken and ACM integration. - Dubbeldetectie projecties and test coverage: implemented dubbeldetectie projecties for corrigeer dubbels and aligned related historiek/test updates. - CI/CD and deployment enhancements: refactor ConfigurePostgresQueues; Lambda CI/CD pipeline enhancements; deployment of Lambdas to manual staging and production; AWS credential/environment improvements. Overall impact: stronger data integrity for duplicates, stricter ownership controls, scalable support for public/admin workflows, and faster, safer deployments. Technologies/skills: .NET/C#, Postgres/Marten, AWS Lambda, CI/CD automation, API documentation, testing, and namespace refactor.
December 2024
64 Commits • 16 Features
Dec 1, 2024December 2024 highlights for Informatievlaanderen/association-registry: Delivered foundational feature work, reliability improvements, and targeted bug fixes across multiple OR initiatives. Key developments include Or-2472 LocatieIdsPerVCodeCollection integration (replacing dictionary usage), adding tests, moving tests into FusieEvents, and implementing TeOnkoppelenLocatieHandler and TeOntkoppelenLocatieHandler with idempotency key handling for fusies. Or-2596 gemeentenaam serialization fix (including revert) to ensure value-only serialization and regression protection. Or-2582 projection tests improvements by migrating to a public store and refining testing approaches. Core dubbel-vereniging functionality was advanced with Markeer als Dubbel Van (controller/command, beheer detail flow, public detail exposure, and historiek), plus end-to-end tests. Weigering dubbel flow was implemented with processing, projections, searching, and a retry mechanism, along with relevant tests and handlers. Additional quality work includes IsAuthentieke Vereging Property Fix, targeted core bug fixes for or-2334, and refactors distinguishing messages from commands. Overall, these efforts improve data integrity, correctness of public details, and developer velocity, delivering tangible business value and a stronger foundation for ongoing OR-2334/OR-2335 initiatives.
64 Commits • 16 Features
Dec 1, 2024December 2024 highlights for Informatievlaanderen/association-registry: Delivered foundational feature work, reliability improvements, and targeted bug fixes across multiple OR initiatives. Key developments include Or-2472 LocatieIdsPerVCodeCollection integration (replacing dictionary usage), adding tests, moving tests into FusieEvents, and implementing TeOnkoppelenLocatieHandler and TeOntkoppelenLocatieHandler with idempotency key handling for fusies. Or-2596 gemeentenaam serialization fix (including revert) to ensure value-only serialization and regression protection. Or-2582 projection tests improvements by migrating to a public store and refining testing approaches. Core dubbel-vereniging functionality was advanced with Markeer als Dubbel Van (controller/command, beheer detail flow, public detail exposure, and historiek), plus end-to-end tests. Weigering dubbel flow was implemented with processing, projections, searching, and a retry mechanism, along with relevant tests and handlers. Additional quality work includes IsAuthentieke Vereging Property Fix, targeted core bug fixes for or-2334, and refactors distinguishing messages from commands. Overall, these efforts improve data integrity, correctness of public details, and developer velocity, delivering tangible business value and a stronger foundation for ongoing OR-2334/OR-2335 initiatives.
December 2024
November 2024
56 Commits • 19 Features
Nov 1, 2024Month 2024-11 for Informatievlaanderen/association-registry: Delivered core lidmaatschap lifecycle improvements, expanded historical auditing and cross-surface management, enhanced data exposure with JSON-LD, and stabilized the platform with targeted fixes and tests. These changes improve data quality, searchability, and API consistency, delivering measurable business value for member management and public access.
November 2024
56 Commits • 19 Features
Nov 1, 2024Month 2024-11 for Informatievlaanderen/association-registry: Delivered core lidmaatschap lifecycle improvements, expanded historical auditing and cross-surface management, enhanced data exposure with JSON-LD, and stabilized the platform with targeted fixes and tests. These changes improve data quality, searchability, and API consistency, delivering measurable business value for member management and public access.
Activity
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Quality Metrics
Correctness92.2%
Maintainability90.4%
Architecture88.2%
Performance85.6%
AI Usage20.8%
Skills & Technologies
Programming Languages
.NETBashC#C++CSVDockerfileJSONJavaScriptMarkdownN/A
Technical Skills
.NET C#.NET.NET DevelopmentAPI DesignAPI DevelopmentAPI DocumentationAPI Documentation TestingAPI IntegrationAPI Integration TestingAPI TestingAPI developmentAPI integrationAPI testingASP.NET Core
Repositories Contributed To
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