Amsterdam/amsterdam-schema
Oct 2024 – May 2026
18 Months active
Languages Used
PythonJSONSQLUnknown
Technical Skills
Data ModelingSchema DefinitionData ContractsSchema DesignSchema ManagementBackend Development
Jeroen Riemens
PROFILE
Jeroen Riemens
Over 18 months, contributed to the Amsterdam/amsterdam-schema repository by designing and evolving robust data models, schemas, and backend features supporting city-scale geospatial and administrative datasets. Delivered 21 features and resolved critical bugs, focusing on schema definition, data integration, and API development using Python, SQL, and JSON. Enhanced data integrity and governance by introducing unique identifiers, refining address and contract fields, and aligning schemas for downstream analytics and compliance. Implemented version control best practices and clear commit traceability, enabling reliable collaboration and maintainability. The work improved data quality, interoperability, and usability for urban analytics, mapping, and regulatory applications across teams.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
41Total
Bugs
3
Commits
41
Features
21
Lines of code
45,003
Activity Months18
Your Network
75 peopleSame Organization
@amsterdam.nl44
Work History
May 2026
1 Commits • 1 Features
May 1, 2026May 2026 (2026-05) focused on delivering schema-level enhancements for Amsterdam datasets, with a key feature addition that improves data semantics and governance. Delivered: Amsterdam Dataset Schema Enhancement: Added pandBagproces property to describe the functional action underlying an event in the Amsterdam dataset schema. This enables explicit action-level descriptors, improving data quality, traceability, and downstream analytics. Impact: clearer event semantics, better query fidelity, easier governance and future schema evolution. Tech/skills demonstrated: data modeling, schema design, change traceability, Git-based development.
1 Commits • 1 Features
May 1, 2026May 2026 (2026-05) focused on delivering schema-level enhancements for Amsterdam datasets, with a key feature addition that improves data semantics and governance. Delivered: Amsterdam Dataset Schema Enhancement: Added pandBagproces property to describe the functional action underlying an event in the Amsterdam dataset schema. This enables explicit action-level descriptors, improving data quality, traceability, and downstream analytics. Impact: clearer event semantics, better query fidelity, easier governance and future schema evolution. Tech/skills demonstrated: data modeling, schema design, change traceability, Git-based development.
May 2026
April 2026
1 Commits • 1 Features
Apr 1, 2026In April 2026, delivered a focused update to the Amsterdam/amsterdam-schema to improve spatial data quality, readability, and governance. The changes establish clearer geometry references and standardized dataset descriptions, supporting more reliable spatial analyses and faster onboarding of new datasets.
April 2026
1 Commits • 1 Features
Apr 1, 2026In April 2026, delivered a focused update to the Amsterdam/amsterdam-schema to improve spatial data quality, readability, and governance. The changes establish clearer geometry references and standardized dataset descriptions, supporting more reliable spatial analyses and faster onboarding of new datasets.
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026 focused on delivering a robust data versioning upgrade and schema enhancement for Amsterdam's geospatial dataset. The main feature delivered was Gegevensgebiedenbuurten Dataset Version 2 (v2) with a comprehensive schema, improving data structure, usability, and discoverability. This work was carried out in the Amsterdam/amsterdam-schema repository, with two key commits establishing and refining the new version: - e603b911: Introduces Gegevensgebiedenbuurten v2 and the associated schema, enabling a national/standardized data model. - 76a2fee7: Refines the JSON schema by clarifying the geometry object description (#1643). Impact includes faster onboarding for downstream analytics, improved data governance, and more reliable data integration across systems due to a stable, well-documented v2 schema. Skills demonstrated include JSON Schema design and refinement, dataset versioning and governance, and geo data modeling with clear, publishable commit history.
2 Commits • 1 Features
Mar 1, 2026March 2026 focused on delivering a robust data versioning upgrade and schema enhancement for Amsterdam's geospatial dataset. The main feature delivered was Gegevensgebiedenbuurten Dataset Version 2 (v2) with a comprehensive schema, improving data structure, usability, and discoverability. This work was carried out in the Amsterdam/amsterdam-schema repository, with two key commits establishing and refining the new version: - e603b911: Introduces Gegevensgebiedenbuurten v2 and the associated schema, enabling a national/standardized data model. - 76a2fee7: Refines the JSON schema by clarifying the geometry object description (#1643). Impact includes faster onboarding for downstream analytics, improved data governance, and more reliable data integration across systems due to a stable, well-documented v2 schema. Skills demonstrated include JSON Schema design and refinement, dataset versioning and governance, and geo data modeling with clear, publishable commit history.
March 2026
February 2026
2 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for Amsterdam/amsterdam-schema focusing on address field modernization and schema clarity. Delivered enhancements to dataset address fields, updated brkbasis JSON schema with clearer descriptions and version bumps, and ensured previously omitted fields were added across commits to improve data quality and downstream integration.
February 2026
2 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for Amsterdam/amsterdam-schema focusing on address field modernization and schema clarity. Delivered enhancements to dataset address fields, updated brkbasis JSON schema with clearer descriptions and version bumps, and ensured previously omitted fields were added across commits to improve data quality and downstream integration.
January 2026
2 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for Amsterdam/amsterdam-schema: Delivered key dataset quality improvements and schema enhancements to improve data usability and governance, including address clarity with postal codes and municipalities and expansion of the JSON schema with new non-public data fields aantekeningenKadastraalObject and aantekeningenZakelijkrecht, including descriptions and rationale for non-public data. Two commits implemented to enable these changes, linked to issues #1583 and #1584. No major bugs fixed this month. Overall impact: richer, more compliant data model enabling downstream applications and analytics; significant business value from improved data quality and governance. Technologies/skills demonstrated: JSON Schema evolution, data modeling, documentation, and Git traceability.
2 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for Amsterdam/amsterdam-schema: Delivered key dataset quality improvements and schema enhancements to improve data usability and governance, including address clarity with postal codes and municipalities and expansion of the JSON schema with new non-public data fields aantekeningenKadastraalObject and aantekeningenZakelijkrecht, including descriptions and rationale for non-public data. Two commits implemented to enable these changes, linked to issues #1583 and #1584. No major bugs fixed this month. Overall impact: richer, more compliant data model enabling downstream applications and analytics; significant business value from improved data quality and governance. Technologies/skills demonstrated: JSON Schema evolution, data modeling, documentation, and Git traceability.
January 2026
December 2025
2 Commits • 1 Features
Dec 1, 2025December 2025: Amsterdam/amsterdam-schema – Focused on strengthening data integrity and expanding data modeling capabilities to support city-scale analytics. Implemented data model enhancements that link underlying structures to BAG building IDs and introduced a neighborhoods dataset (gebiedenbuurten) with attributes and clear schema definitions. These changes improve data reliability, traceability, and interoperability with external datasets, enabling faster analytics and better decision support for urban planning stakeholders.
December 2025
2 Commits • 1 Features
Dec 1, 2025December 2025: Amsterdam/amsterdam-schema – Focused on strengthening data integrity and expanding data modeling capabilities to support city-scale analytics. Implemented data model enhancements that link underlying structures to BAG building IDs and introduced a neighborhoods dataset (gebiedenbuurten) with attributes and clear schema definitions. These changes improve data reliability, traceability, and interoperability with external datasets, enabling faster analytics and better decision support for urban planning stakeholders.
November 2025
7 Commits • 3 Features
Nov 1, 2025Concise monthly summary for 2025-11 for Amsterdam/amsterdam-schema. Focused on delivering core dataset features, improving data integrity, and expanding authentication for map server compatibility.
7 Commits • 3 Features
Nov 1, 2025Concise monthly summary for 2025-11 for Amsterdam/amsterdam-schema. Focused on delivering core dataset features, improving data integrity, and expanding authentication for map server compatibility.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025Month 2025-10: Delivered a new Schema Identifier Field for Unique IDs in Amsterdam/amsterdam-schema to define stable unique identifiers within the schema, enabling reliable cross-referencing across components and improved data governance. The change was implemented and committed (dffff49f89da3d5a5f12721b9c31e1dd95ce7ad2) with the message 'veld identifier toegevoegd'. No major bugs were reported for this repository this month. Overall, the work strengthens data integrity, supports downstream APIs and analytics, and positions the schema for future enhancements.
October 2025
1 Commits • 1 Features
Oct 1, 2025Month 2025-10: Delivered a new Schema Identifier Field for Unique IDs in Amsterdam/amsterdam-schema to define stable unique identifiers within the schema, enabling reliable cross-referencing across components and improved data governance. The change was implemented and committed (dffff49f89da3d5a5f12721b9c31e1dd95ce7ad2) with the message 'veld identifier toegevoegd'. No major bugs were reported for this repository this month. Overall, the work strengthens data integrity, supports downstream APIs and analytics, and positions the schema for future enhancements.
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 — Amsterdam/amsterdam-schema: Delivered two high-impact outcomes that align data integrity with user experience and business value. Key features delivered: Relational Schema Enhancement and Display Update to add the 'naam' field on the rel object, update the opgemaakteNaam, and adjust display logic; this improves data accuracy and UI consistency with the new validation rules. Major bugs fixed: Data Integrity and UI Stability Fixes to remove an erroneously added table and fix typos, restoring the correct data model and reliable UI behavior. Overall impact: improved data accuracy, UI reliability, and maintainability, enabling correct downstream analytics and a smoother user experience. Technologies/skills demonstrated: relational schema design, UI data binding and display logic, validation rule alignment, and commit-based traceability.
4 Commits • 1 Features
Sep 1, 2025September 2025 — Amsterdam/amsterdam-schema: Delivered two high-impact outcomes that align data integrity with user experience and business value. Key features delivered: Relational Schema Enhancement and Display Update to add the 'naam' field on the rel object, update the opgemaakteNaam, and adjust display logic; this improves data accuracy and UI consistency with the new validation rules. Major bugs fixed: Data Integrity and UI Stability Fixes to remove an erroneously added table and fix typos, restoring the correct data model and reliable UI behavior. Overall impact: improved data accuracy, UI reliability, and maintainability, enabling correct downstream analytics and a smoother user experience. Technologies/skills demonstrated: relational schema design, UI data binding and display logic, validation rule alignment, and commit-based traceability.
September 2025
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025: Amsterdam/amsterdam-schema delivered a new Erfpacht feature to support land lease-rights management and fixed a schema version issue to ensure data integrity. Changes include authentication adjustments and pruning of description points as part of the feature, with a system version bump to reflect updates. This work improves regulatory/compliance capabilities and reduces deployment risk by aligning the data model with release expectations.
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025: Amsterdam/amsterdam-schema delivered a new Erfpacht feature to support land lease-rights management and fixed a schema version issue to ensure data integrity. Changes include authentication adjustments and pruning of description points as part of the feature, with a system version bump to reflect updates. This work improves regulatory/compliance capabilities and reduces deployment risk by aligning the data model with release expectations.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for Amsterdam/amsterdam-schema focusing on business value and technical achievements. Delivered enhancements to brk2 and related benkagg/brk components, providing richer details and improved information display for end users. Addressed code quality by fixing underscore usage in the affected module. All changes were committed as part of the update for issue/PR referenced as #1347.
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for Amsterdam/amsterdam-schema focusing on business value and technical achievements. Delivered enhancements to brk2 and related benkagg/brk components, providing richer details and improved information display for end users. Addressed code quality by fixing underscore usage in the affected module. All changes were committed as part of the update for issue/PR referenced as #1347.
May 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for Amsterdam/amsterdam-schema: Delivered Data Selection Enhancement for Brkbasis and Geographical Metadata, introducing a new brkbasisdataselectie mechanism and updated metadata for gebieden. This improves data retrieval, organization, and accessibility of geographical/area information within the Amsterdam Schema. No major bugs fixed this month; focus was on delivering this feature and ensuring code quality and integration readiness. Impact: supports faster geospatial queries, stronger data governance, and better downstream analytics. Technologies demonstrated: data modeling, schema evolution, metadata management, and proficient use of Git for traceable changes.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for Amsterdam/amsterdam-schema: Delivered Data Selection Enhancement for Brkbasis and Geographical Metadata, introducing a new brkbasisdataselectie mechanism and updated metadata for gebieden. This improves data retrieval, organization, and accessibility of geographical/area information within the Amsterdam Schema. No major bugs fixed this month; focus was on delivering this feature and ensuring code quality and integration readiness. Impact: supports faster geospatial queries, stronger data governance, and better downstream analytics. Technologies demonstrated: data modeling, schema evolution, metadata management, and proficient use of Git for traceable changes.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for Amsterdam/amsterdam-schema focused on feature delivery and data capability expansion. Key accomplishment: KvK Handelsregister data integration implemented to enhance the system's ability to manage and utilize Handelsregister information. This work reinforces data integrity and enables downstream analytics and compliant data handling for Dutch business records.
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for Amsterdam/amsterdam-schema focused on feature delivery and data capability expansion. Key accomplishment: KvK Handelsregister data integration implemented to enhance the system's ability to manage and utilize Handelsregister information. This work reinforces data integrity and enables downstream analytics and compliant data handling for Dutch business records.
March 2025
February 2025
4 Commits • 2 Features
Feb 1, 2025February 2025 (Amsterdam/amsterdam-schema): Key features delivered to strengthen data integrity and extend research capabilities. Highlights include schema consistency and metadata updates across HR data contracts, plus metadata coherence improvements for bag en gebieden and ves; and the addition of pandinonderzoek with integration into the inonderzoek workflow. Key deliverables: - Schema consistency and metadata updates: Consolidated HR data contract alignment, schema coherence for bag en gebieden, and ves metadata text refinements to ensure data consistency across systems. - Commits: 10ac352348a5f7674aa69d9ca299d8babda16744; 43ff5ed9330879bd704b2827b380b271cd93d8d5; 2125460b9b3fede91cae17b6abf7383184d6daf8 - Pandinonderzoek support: Introduce pandinonderzoek and adapt inonderzoek - Commit: 26b3e0b1b434c0e7bac2dbba52a221425b6c3f53 Major bugs fixed: - No separate bug fixes reported in the provided data. The month focused on delivering data integrity improvements and workflow enhancements. Overall impact and accomplishments: - Strengthened data integrity and consistency across the Amsterdam schema, enabling reliable analytics and cross-system data sharing. - Expanded research capabilities by adding pandinonderzoek and integrating it with the existing inonderzoek workflow, improving research data capture and processing. - Demonstrated end-to-end traceability from commits to features, improving maintainability and auditing of schema changes. Technologies/skills demonstrated: - Data schema governance, metadata management, and contract alignment across HR data contracts. - Cross-system data coherence for bag en gebieden and ves. - Integration of new research types (pandinonderzoek) and workflow adaptation (inonderzoek). - Version control discipline with explicit commit references for traceability.
February 2025
4 Commits • 2 Features
Feb 1, 2025February 2025 (Amsterdam/amsterdam-schema): Key features delivered to strengthen data integrity and extend research capabilities. Highlights include schema consistency and metadata updates across HR data contracts, plus metadata coherence improvements for bag en gebieden and ves; and the addition of pandinonderzoek with integration into the inonderzoek workflow. Key deliverables: - Schema consistency and metadata updates: Consolidated HR data contract alignment, schema coherence for bag en gebieden, and ves metadata text refinements to ensure data consistency across systems. - Commits: 10ac352348a5f7674aa69d9ca299d8babda16744; 43ff5ed9330879bd704b2827b380b271cd93d8d5; 2125460b9b3fede91cae17b6abf7383184d6daf8 - Pandinonderzoek support: Introduce pandinonderzoek and adapt inonderzoek - Commit: 26b3e0b1b434c0e7bac2dbba52a221425b6c3f53 Major bugs fixed: - No separate bug fixes reported in the provided data. The month focused on delivering data integrity improvements and workflow enhancements. Overall impact and accomplishments: - Strengthened data integrity and consistency across the Amsterdam schema, enabling reliable analytics and cross-system data sharing. - Expanded research capabilities by adding pandinonderzoek and integrating it with the existing inonderzoek workflow, improving research data capture and processing. - Demonstrated end-to-end traceability from commits to features, improving maintainability and auditing of schema changes. Technologies/skills demonstrated: - Data schema governance, metadata management, and contract alignment across HR data contracts. - Cross-system data coherence for bag en gebieden and ves. - Integration of new research types (pandinonderzoek) and workflow adaptation (inonderzoek). - Version control discipline with explicit commit references for traceability.
January 2025
6 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for Amsterdam/amsterdam-schema: Delivered cross-module data contract and schema maintenance across BAG, BGT, BRK, and WOZ with support for new fields, version updates, and cleanup of obsolete entries. Implemented UI display improvements for stedelijk gebied project data to improve clarity and usability. Fixed data contract inconsistencies and minor errors across modules, including cleanup of deprecated BRK/BRt entries. The work enhances data quality, consistency, and downstream reliability, while enabling easier evolution of the data model. Demonstrated strong governance, version control, and cross-team collaboration.
6 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for Amsterdam/amsterdam-schema: Delivered cross-module data contract and schema maintenance across BAG, BGT, BRK, and WOZ with support for new fields, version updates, and cleanup of obsolete entries. Implemented UI display improvements for stedelijk gebied project data to improve clarity and usability. Fixed data contract inconsistencies and minor errors across modules, including cleanup of deprecated BRK/BRt entries. The work enhances data quality, consistency, and downstream reliability, while enabling easier evolution of the data model. Demonstrated strong governance, version control, and cross-team collaboration.
January 2025
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for the Amsterdam Schema repository, focusing on data contracts cleanup and Monument/NAP updates. Executed targeted bug fix to clean active versions and improve dataset JSON integrity, with updates to NAP definitions and monument data (including BRT10 versions and height corrections) to enhance data accuracy and consistency for downstream consumers.
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for the Amsterdam Schema repository, focusing on data contracts cleanup and Monument/NAP updates. Executed targeted bug fix to clean active versions and improve dataset JSON integrity, with updates to NAP definitions and monument data (including BRT10 versions and height corrections) to enhance data accuracy and consistency for downstream consumers.
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024: Delivered Data Contracts Schema Modernization for Amsterdam/amsterdam-schema. Implemented new JSON artifacts for data contracts and realigned dataset JSON structures to the updated contracts. Fixed critical issues in spoorbaandelen and dataset functionalities, enhancing data quality and contract governance. This work improves data reliability for downstream systems and enables safer data sharing across teams.
2 Commits • 1 Features
Nov 1, 2024November 2024: Delivered Data Contracts Schema Modernization for Amsterdam/amsterdam-schema. Implemented new JSON artifacts for data contracts and realigned dataset JSON structures to the updated contracts. Fixed critical issues in spoorbaandelen and dataset functionalities, enhancing data quality and contract governance. This work improves data reliability for downstream systems and enables safer data sharing across teams.
November 2024
October 2024
1 Commits • 1 Features
Oct 1, 2024October 2024 monthly summary for Amsterdam/amsterdam-schema: Delivered a focused enhancement to UNESCO entries display by updating the display field and associated schema definitions to improve presentation, search relevance, and data consistency. The work was implemented in the Amsterdam/amsterdam-schema repository with a traceable commit, enabling better data discoverability for downstream applications and setting a foundation for future schema-driven UI improvements.
October 2024
1 Commits • 1 Features
Oct 1, 2024October 2024 monthly summary for Amsterdam/amsterdam-schema: Delivered a focused enhancement to UNESCO entries display by updating the display field and associated schema definitions to improve presentation, search relevance, and data consistency. The work was implemented in the Amsterdam/amsterdam-schema repository with a traceable commit, enabling better data discoverability for downstream applications and setting a foundation for future schema-driven UI improvements.
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Quality Metrics
Correctness89.2%
Maintainability88.2%
Architecture84.8%
Performance83.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
JSONPythonSQLUnknown
Technical Skills
API developmentAPI integrationBackend DevelopmentCode RefinementData ContractsData IntegrationData ModelingDatabase ManagementDatabase Schema ManagementJSON schema designSchema DefinitionSchema DesignSchema DevelopmentSchema ManagementTypo Correction
Repositories Contributed To
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