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Matthijs Kooijman

PROFILE

Matthijs Kooijman

Matthijs contributed to automation and documentation improvements across several open source projects. For OsmAnd-resources, he built a script and integrated GitHub Actions workflows to automate OSF file generation for rendering styles, streamlining build and deployment processes using shell scripting and CI/CD practices. In the yuwata/systemd repository, he enhanced documentation to clarify the interaction between RestartSteps and RestartSec, reducing misconfiguration risks for service management. For duckdb-web, Matthijs updated documentation to explain ZSTD compression support and storage version selection, providing clear guidance for both CLI and Python users. His work demonstrated depth in automation, documentation, and developer experience.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

6Total
Bugs
0
Commits
6
Features
3
Lines of code
185
Activity Months3

Your Network

563 people

Work History

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 (2026-02) focused on strengthening the developer experience for the duckdb-web docs by clarifying ZSTD compression capabilities and storage version usage. Delivered precise guidance on enabling and specifying storage version via CLI and Python bindings, and aligned release messaging with the 1.2.0 announcement to reflect ZSTD availability.

January 2026

2 Commits • 1 Features

Jan 1, 2026

January 2026: Delivered targeted documentation enhancements for systemd RestartSteps and RestartSec in the yuwata/systemd repo. The updates clarify that RestartSteps are exponential and interact with RestartSec, and explicitly require RestartSec when RestartSteps is used to prevent misconfigurations. Also added guidance that Restart=0 may be reasonable to avoid a delay on the first restart, with explicit caveats. These changes reduce guesswork, improve reliability in service restarts, and align maintainers with best practices.

August 2024

2 Commits • 1 Features

Aug 1, 2024

2024-08 OsmAnd-resources monthly summary focusing on key deliverables and impact. Delivered automation to generate OSF files for rendering styles and integrated CI/CD for OSF generation, enhancing build processes, artifact management, and deployment readiness. No major bugs fixed this month in OsmAnd-resources (reported). Overall impact: reduced manual steps, faster and more reliable rendering style asset generation, and improved handoff to downstream processes. Technologies/skills demonstrated: scripting/automation, GitHub Actions workflows, CI/CD integration, artifact management, and build pipeline optimization.

Activity

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Quality Metrics

Correctness100.0%
Maintainability96.6%
Architecture100.0%
Performance96.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

MarkdownPythonSQLXMLYAMLsh

Technical Skills

CI/CDCLI developmentDevOpsGitHub ActionsLinuxPythonautomationcompression algorithmsdatabase managementdocumentationservice managementshell scriptingsystem administration

Repositories Contributed To

3 repos

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

osmandapp/OsmAnd-resources

Aug 2024 Aug 2024
1 Month active

Languages Used

YAMLsh

Technical Skills

CI/CDDevOpsGitHub ActionsLinuxautomationshell scripting

yuwata/systemd

Jan 2026 Jan 2026
1 Month active

Languages Used

XML

Technical Skills

DevOpsdocumentationservice managementsystem administration

duckdb/duckdb-web

Feb 2026 Feb 2026
1 Month active

Languages Used

MarkdownPythonSQL

Technical Skills

CLI developmentPythoncompression algorithmsdatabase managementdocumentation