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Martin Jesterhoudt

PROFILE

Martin Jesterhoudt

Over five months, Martijn Jesterhoudt enhanced the Amsterdam/amsterdam-schema repository by delivering new features and targeted bug fixes focused on data governance, configuration management, and schema design. He introduced role-based access controls and standardized JSON configuration files, improving security and maintainability across production and non-production environments. Using skills in data modeling, schema definition, and file management, Martijn implemented operational data schema updates for multiple entities and established a configuration-driven foundation for new modules. His work addressed data integrity issues, streamlined file naming conventions, and enabled reliable, auditable deployments, demonstrating a thoughtful approach to modularity, traceability, and operational readiness.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

8Total
Bugs
2
Commits
8
Features
4
Lines of code
186
Activity Months5

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

Monthly summary for 2025-09 focusing on delivering a new Mora Operationeel OOV configuration initialization in Amsterdam/amsterdam-schema. This work introduces a mora_operationeel_oov.json configuration/data file that initializes a new operational module/component, establishing a configuration-first foundation for Mora integration. The main delivery is the single commit that creates the file, enabling standardized configuration management and faster deployment of operational capabilities. While there were no major bug fixes this month, the work significantly improves modularity, maintainability, and readiness for production use. Key outcomes include accelerated onboarding for Mora-related deployments, improved traceability through a version-controlled configuration artifact, and a clear pattern for future operational module initializations. Technologies/skills demonstrated include JSON-based configuration, repository contribution, version control hygiene, and modular architectural practices, all aligning with our business value of faster, safer feature rollouts and operational readiness.

August 2025

1 Commits • 1 Features

Aug 1, 2025

In August 2025, delivered a focused update to the Amsterdam/amsterdam-schema repository to support Mora and related entities (stw, aeg, vor, thor, vth). The work introduces new JSON schema files for operational data and removes older/redundant schemas under scopes/SVD as part of a schema versioning cleanup, enabling more reliable data validation and downstream consumption.

July 2025

2 Commits

Jul 1, 2025

July 2025 monthly summary for Amsterdam/amsterdam-schema: Focused on improving config data integrity and standardization in Mora JSON configuration, addressing filename and naming inconsistencies to support reliable deployment and automation. Delivered targeted bug fixes that correct data integrity issues, rename configuration files to mora_operationeel_algemeen.json and mora_openbaar.json, and fix a typo in mora_operationeel_algemeen.json. The work reduces configuration errors, improves downstream tooling reliability, and enhances maintainability across environments. These changes were implemented with traceability to two commits, providing clear insight into the changes and their impact on the repository.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 (Amsterdam/amsterdam-schema): Delivered role-based access control for public space notifications on the data platform. Implemented two new roles (moraoperationeelalgemeen, moraopenbaar), added/adjusted JSON configs, and renamed an existing config file to enable proper integration and data access control. This enables secure, role-scoped access to public space data and establishes groundwork for scalable policy management. Commit associated: 7b5b6f4a418c98f729d61fd4aaf828dc2b7bd163.

March 2025

3 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for Amsterdam/amsterdam-schema: Key governance and data access improvements with Juridisch Bureau scope and access configuration, environment-specific access packages, ownership assignment, and data product visibility. Also completed a critical file-naming standardization to clearly indicate JSON format, improving maintainability and reducing ambiguity. These changes deliver business value by enabling secure, auditable access to domain data and simplifying data workflows across non-production and production environments.

Activity

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Quality Metrics

Correctness95.0%
Maintainability95.0%
Architecture92.6%
Performance92.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSON

Technical Skills

Configuration ManagementData ModelingData RenamingFile ManagementSchema DefinitionSchema Designfile management

Repositories Contributed To

1 repo

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

Amsterdam/amsterdam-schema

Mar 2025 Sep 2025
5 Months active

Languages Used

JSON

Technical Skills

Schema Definitionfile managementData ModelingSchema DesignConfiguration ManagementData Renaming

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