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Conor Holden

PROFILE

Conor Holden

Conor contributed to the Open Zaak product family by developing and refining backend features that improved API reliability, configuration management, and auditability. Working across repositories such as open-zaak/open-zaak and maykinmedia/open-klant, he implemented modular YAML-based configuration, automated Open API Framework version checks using GitHub Actions, and delivered a unique Zaaknummer reservation API. Using Python, Django, and Docker, Conor modernized dependency management and enhanced CI/CD pipelines to reduce manual intervention and deployment risk. His work included adding audit trail logging for critical operations, fixing test flakiness, and integrating partner APIs, demonstrating a strong focus on maintainability and operational governance.

Overall Statistics

Feature vs Bugs

88%Features

Repository Contributions

39Total
Bugs
2
Commits
39
Features
15
Lines of code
4,679
Activity Months5

Work History

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025: Delivered key reliability and governance enhancements for open-zaak/open-zaak. Fixed a flaky Zaak reservation test to ensure a reserved zaak number is allocated correctly and not duplicated. Added audit trail logging for deletion of ZaakObject instances via AuditTrailDestroyMixin, with corresponding tests and OpenAPI header updates. These changes improve data integrity, traceability, and test reliability, supporting compliance and business confidence.

January 2025

18 Commits • 6 Features

Jan 1, 2025

January 2025: Delivered critical API features and reinforced CI/CD practices across Open Zaak and related repositories to accelerate secure deployments and partner integrations. Key features include the Zaaknummer reservation API with uniqueness guarantees, aligned naming, updated serializer/URL, translations, tests, and 201 creation behavior, plus an integration of the Selectielijst API with Open Zaak by updating dependencies (zgw-consumers). Release and maintenance enhancements cover OAF auto-update actions, bumpversion for publiccode.yaml, release 1.17.0, CSP fix for the map view, and cleanup of outdated demo/Docker configurations. Cross-repo automation expanded with central reusable OAF workflows in maykinmedia/objects-api, maykinmedia/objecttypes-api, and open-zaak/open-notificaties to enforce version checks and compatibility. Overall impact includes improved reliability, faster partner integrations, and a clearer path for Open API Framework compliance.

December 2024

14 Commits • 4 Features

Dec 1, 2024

December 2024 monthly summary for the Open Zaak product family. Focused on delivering business value through configuration modernization, dependency upgrades, and quality improvements across open-zaak/open-zaak and open-zaak/open-notificaties. Key outcomes include modular YAML-based configuration, removal of legacy bootstrap, integration of Notification and OpenID Connect setup steps, and documentation/test reorganizations. Upgraded core frameworks to enable new features and security patches, and strengthened licensing compliance and code quality. The work reduces setup complexity, improves reliability, and sets a foundation for faster onboarding and easier maintenance.

November 2024

4 Commits • 3 Features

Nov 1, 2024

November 2024 highlights across maykinmedia/open-klant, maykinmedia/objects-api, and open-zaak/open-zaak. Delivered targeted improvements in admin UX, API robustness, admin session management, and build tooling, driving stability, reliability, and developer velocity. The work emphasizes business value through cleaner data associations, safer API behavior, enhanced admin controls, and reproducible builds.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024 (2024-10) monthly summary for maykinmedia/open-klant: Delivered CI: Open API Framework Version Validation feature. Implemented a GitHub Actions workflow that validates the Open API Framework version, triggered on pushes to master, tags, pull requests, and scheduled runs, and leveraging the reusable workflow from maykinmedia/open-api-workflows with Python 3.11. Commit 9eba391fa4b0095b0e9aa99b5f0a863d0a859383 adds the action check. Major bugs fixed: none reported this month. Impact: strengthens release quality by preventing API framework version drift, automating validation, and reducing manual checks. Technologies/skills demonstrated: GitHub Actions, reusable workflows, Python 3.11, CI/CD automation, version governance.

Activity

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Quality Metrics

Correctness89.6%
Maintainability89.6%
Architecture86.6%
Performance82.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashBatchDjangoINIJavaScriptPythonRSTShellYAMLpython

Technical Skills

API ConfigurationAPI DevelopmentAPI IntegrationAudit TrailsBackend DevelopmentCI/CDCode OrganizationCode QualityCode RefactoringConfigurationConfiguration ManagementDependency ManagementDevOpsDjangoDocker

Repositories Contributed To

5 repos

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

open-zaak/open-zaak

Nov 2024 Feb 2025
4 Months active

Languages Used

BatchShellBashDjangoPythonYAMLpythonyaml

Technical Skills

Dependency ManagementDevOpsScriptingAPI ConfigurationBackend DevelopmentCode Organization

maykinmedia/open-klant

Oct 2024 Nov 2024
2 Months active

Languages Used

YAMLJavaScriptPython

Technical Skills

CI/CDGitHub ActionsAPI DevelopmentBackend DevelopmentDjangoREST Framework

maykinmedia/objects-api

Nov 2024 Jan 2025
2 Months active

Languages Used

PythonRSTYAML

Technical Skills

API DevelopmentConfiguration ManagementDependency ManagementCI/CDGitHub Actions

open-zaak/open-notificaties

Dec 2024 Jan 2025
2 Months active

Languages Used

PythonRSTYAML

Technical Skills

Configuration ManagementDependency ManagementDocumentationCI/CDGitHub Actions

maykinmedia/objecttypes-api

Jan 2025 Jan 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDGitHub Actions

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